This is basically how a diesel engine works, uses no spark plugs.

@thedarkenigma3834

6 ай бұрын

Was about to say this.

@kingofspainMB1807

6 ай бұрын

Not basically, diesels are just a little more complicated than the tube and plunger he used

@bradleypolotto5193

6 ай бұрын

​@kingofspain18077 This is exactly how a diesel engine works. Air is pulled inside the cylinder, and the piston then moves up compressing the air inside causing it to heat up. The only difference is the fuel is misted in towards the end.

@jeffhall768

6 ай бұрын

​@mattc222 no need for that. I got Cosby sauce lol (ether)

@Boerkie1990

6 ай бұрын

@@jeffhall768 good ol Cosby in a can. MIIINT!

*diesels* "are we a joke to you?"

@Njazmo

4 ай бұрын

Next gen fuel: cotton balls

@JohnAnderson-ev3lp

4 ай бұрын

Was thinking the same thing 😂

@slowpoke96Z28

4 ай бұрын

Came to say this lol.

@gregoryoruko

4 ай бұрын

Very diesel literarely cotton on heat

@couchpotatoes5158

4 ай бұрын

This comment makes 0 sense

This is why we study thermodynamics

@walter8373

2 ай бұрын

Right Thermo 1 and 2

@aland7236

2 ай бұрын

You've broken the first rule of thermodynamics. Rule number one about thermodynamics, you don't talk about thermodynamics.

@Lop239

2 ай бұрын

​@@aland7236 Things I learnt in thermo is that higher the pressure lesser will the volume lesser the volume higher will be the temperature higher the temperature heat production will increase

@Lop239

2 ай бұрын

Uhhh I am very bad in studies so idk it was in equilibrium or thermodynamics.....idk so...........

@vaibhavgupta8681

2 ай бұрын

It is an adiabatic process, in which heat transfer is 0 and all work is used to increase Internal energy of gas and thus the temperature also rises.

They have this for outdoor use for survival, called a fire piston. Great tool

@Gandhi_Physique

2 ай бұрын

I was wondering if it could be used that way. Thanks for dropping it here so I can look it up.

@chucksauter1204

2 ай бұрын

Thanks! I couldn't think of the name of this and I've tried telling people a out it that don't believe me lol

@pilot778spartan3

2 ай бұрын

Nice to know

@plazmica0323

2 ай бұрын

what is called and how to use it ?

@sndbts246

Ай бұрын

@@chucksauter1204 people being people kkk

Every diesel engineer/mechanic/enthusiast ever: "yeah, yeah I would actually..."

@SebastianBlix

4 ай бұрын

@@couchpotatoes5158 on the contrary, compression ignition is diesel mechanic 101. Even if a diesel mechanic did fit the flawed stereotype of a knuckle dragging oaf they’d still understand how and why.

@evandrewmartinez1

4 ай бұрын

​@@couchpotatoes5158we are mechanics because the science of how things work interests us and we like to fix things. Any decent mechanic understands what they are working on and how it operates and the principles on how it operates. We literally diag shit all day long with no compression. Why would we test for compression if we didn't understand why it's important?

@zf9903

4 ай бұрын

@@evandrewmartinez1 because “mekanic stoopid”. Couchpotatoes is a someone who’s had the term “gay-lussac’s gas law” copied onto his clipboard for a while now I think

@tomcat7493

4 ай бұрын

@@couchpotatoes5158 youve definitely never had a theory lesson in your life

@pixellordm8780

4 ай бұрын

If mechanics were stupid then why in the sam hell can’t the folks who shit on them all the time live without them? Real fuckin’ goofy of those folks to bite the hand that makes sure they can drive to get to the hand that feeds them. Appreciate mechanics y’all. They’ve probably helped you in ways you cannot imagine or would ever realize.

A diesel engine is the practical form of this.

@crestothegecko6279

5 ай бұрын

ah. So that must be why a lot trucks sound slightly different from cars. They have different engines

@drcashmoney7507

5 ай бұрын

​@@HumbBumbhe shows a gas engine tho

@thewafen763

5 ай бұрын

@@crestothegecko6279 Diesels in general sound a bit different than gas engines

@Redbikemaster

5 ай бұрын

​@@HumbBumbhe shows a gasoline engine because he talks about "compressing fuel vapors before igniting them". That's a gas engine.

@FactionalSky

5 ай бұрын

​@@drcashmoney7507does not matter. Gas engines will do the same if they are used with the wrong fuel. At least for a short time.. 😂

To be more specific, it’s a diesel engine that ignites it’s fuel using compression. Ignition from compression in a gasoline engine is a bad thing and can usually be resolved by switching to a high octane fuel

@JakeKentner

2 ай бұрын

Ignition from compression in a gas engine is usually the result of the wrong octane really. Each grade has different combustion ratios.

@rollin18wheels

2 ай бұрын

@@JakeKentner right, which is not good for the head gaskets or valve seats in an engine specifically designed to run on spark ignition.

@steevelapointe1152

2 ай бұрын

no body care, its useless for the comprehension of the experience... so you are uselesss man

@rollin18wheels

2 ай бұрын

@@pedrourbano501 that is not at all correct. Not even a little bit other than the part about diesel fuel being an oil. The viscosity has nothing to do with compression ignition

It is an adiabatic process, in which heat transfer is 0 and all work done on the gas is used to increase Internal energy of gas and thus the temperature of gas also rises. dQ = dW + dU, In adiabatic process, -dW = dU dU = n•Cv• dT

@tanishqkarande2257

2 ай бұрын

Exactly 💯

@feastbeforeheat

2 ай бұрын

So what exam are you preparing for? Genuine question.

@vaibhavgupta8681

2 ай бұрын

@@feastbeforeheat NEET

@feastbeforeheat

2 ай бұрын

@@vaibhavgupta8681 All the best brother!

@vaibhavgupta8681

2 ай бұрын

@@feastbeforeheat Thanks🙏

“The power of the sun. In the palm of my hand.”

@deathchilde

4 ай бұрын

"I Will Not Die A Monster."

@Since_1964

4 ай бұрын

You know how much I sacrificed!!

@j.cwilliams9773

4 ай бұрын

“You best start believing in origin stories ,Parker.” “You’re in one!”

@_jonas9873

4 ай бұрын

​@@deathchilde "com grandes poderes veem grandes responsabilidades 🤕" Um segundo depois: 😵💀💀

@Jbluee.

4 ай бұрын

Brilliant but lazy

I had to convince an officer and a chief on my ship not to replace the nitrogen in our gun recoil system with just regular air. We had run out and the system needs recharging every so often. I felt super proud of myself for possibly saving my ship from a major explosion lol. No idea if the pressures got up that high or not, but I figured we used nitrogen for a reason.

@crd-nz_001

4 ай бұрын

Considering the recoil system probably contains a lubricant, then yes, you did.

@billparker244

4 ай бұрын

@@crd-nz_001 Well, the pressure would've ignited the oxygen. The oil too, of course. I called up one of my old 5 inch tech buddies and they confirmed this.

@hanif7592

4 ай бұрын

​@@billparker244battleship? Or cruiser? Looks big enough to cause ruckus if it exploded

@billparker244

4 ай бұрын

@@hanif7592 Cruiser and yes. There's no barrier between the gun and the loader room where the drum is. You can climb up into the gun shield for maintenance. It has a net that slides closed which is locked by a key that goes into the power distribution panel. In theory, you couldn't be up there while it had power for safety reasons.

@hanif7592

4 ай бұрын

@@billparker244 they're lucky to not have them n2 replaced. Thanks for your service mate💪

I love how the ad to buy the fire syringe blocks the actual explosion 😅

@chikkenbonz

Ай бұрын

Lol! Like at the magazine rack at the gas station... "You gotta pay for that if you wanna read it..."

You are so true that so many people have had bad experience while learning chemistry and i am glad that you understand that.

@Bamboule05

3 ай бұрын

That's rather physics than chemistry, though

@AONMUHAMMAD-no2qe

Ай бұрын

It's engineering and specifically this course is an internal combustion engine

@aayushpatel5208

7 күн бұрын

This is definitely not engineering. It’s chemistry.

I remember many years ago in the early days of youtube, around the time google bought it, a lot of camping and survival channels were showing things like this as a method of starting a campfire

@Litepaw

5 ай бұрын

Oh right!! I remember that lol. You unlocked a memory for me 😂

@alfredthebigasshousespider9650

5 ай бұрын

fire piston :D

@myballsgetlikd2330

5 ай бұрын

Man, 2006 was great.

@Eduardo_Espinoza

5 ай бұрын

I gotta find it now lol

@lopsidedpolygon

5 ай бұрын

Yeah, I remember that. lol. One channel even made a documentary about some tribe in south east asia who've been using bamboo piston fire starters for (presumably) thousands of years. Clever alternative to flint or fire-bow.

I would literally be able to play with that all day. Id just be finding random things to ignite.

@calillusc4715

4 ай бұрын

Literally for hours we be finding victims of this contraption😂

@phedyb216

4 ай бұрын

Ok mr Pyro😂

@al-imranadore1182

4 ай бұрын

Only cotton and a few other materials ignite like that.

@IdealIdeas100

4 ай бұрын

@@al-imranadore1182 isnt going to stop me from trying everything like coffee creamer and what not.

@hawaiidispenser

4 ай бұрын

I could see a kid putting an ant or roach in there. The horror. lol

this is how the mantis shrimp punches prey

Love how his reaction is, as if he sees this for the first time. Every time!

@KeaveMind

2 ай бұрын

I think the reaction is not about what hes seeing but the force of the combustion meeting his hand

@Sam-us1he

2 ай бұрын

I love when scientists have the same sense of wonder about what they do that an average joe like me feels when seeing some of the stuff they do.

@sarcasticguy4311

Ай бұрын

@@Sam-us1he I love (okay, not really) when "scientists" on KZread pretend to be amazed by shit we've been doing for a hundred years like they invented something.

@harbingerdawn

29 күн бұрын

@@sarcasticguy4311 Most of them probably aren't pretending. People with a scientific mind and a sense of wonder for the natural world are much less likely to get tired of seeing these things than other people. There are things I've seen a thousand times that I still stare at in awe every time because it's just that cool to me. Even something as simple as a blue sky or green plants. The more you know about how all of these things work and why they are the way they are, the harder it is to take them for granted, at least in my experience.

“You wouldn’t think that squeezing something would ever cause it to catch fire” The sun: am I a joke to you?

@billyrussell7789

4 ай бұрын

sun doesn’t combust tho😭

@_Dio_Brando_69

4 ай бұрын

Solar plasma ≠ fire

@SilverStarHeggisist

4 ай бұрын

@@billyrussell7789 no, but it goes get got. Same with the Earth's mantle

@billyrussell7789

4 ай бұрын

@@SilverStarHeggisist yeah just cause it hot doesn’t mean it has “caught fire”. fire is a product of combustion, not of fusion, fission or friction

@SilverStarHeggisist

4 ай бұрын

@@billyrussell7789 however for the purpose here, it's semantics. Because something that has gotten as hot as the sun will catch things on fire.

The opposite is also true. Expanding gas gets cold. That's why those CO2 fire extinguishers feel so cold or why you get frost on helium tanks.

@pyrosmoak53

4 ай бұрын

Or when you freeze your hand trying to refill a butane lighter 😂

@SeriousPinoyGamer

4 ай бұрын

also how air conditioning works. Compressor does exactly what it was named for and then the evaporator expands the refrigerant to cool it. We've really come a long way with technology.

@Draytherion

4 ай бұрын

Or when I’m spraying the last bit of deodorant out of the can

@couchpotatoes5158

4 ай бұрын

Yep, you can calculate the exact temperature change using Gay-Lussac’s law

@conan7422

4 ай бұрын

No, this is evaporation!

This reminds me of when VsauceMichael took 2 balls and hit them together with a paper in between

I love how the affiliate ad link blocks out exactly the wrong spot in the video so you can't see what's going on.

Fun fact, if you don't mind it massively wearing out everything really quickly, you can use this to get WAY more velocity/power out of a spring-piston air rifle. Put a little vaseline into the base of the pellets and it'll "diesel" it, turning it from an air rifle into an actual FIREarm at the expense of blowing out most of the gaskets and wearing out the barrel in only a handful of shots.

@nikoleass

5 ай бұрын

Nice

@cruze_the

5 ай бұрын

Legend

@maukaman

5 ай бұрын

Came to comment this same thing. However I can confirm that if you don’t add too much oil or Vaseline you can still get quite a bit of extra velocity without destroying the seals right away. I’ve fired easily a couple hundred dieseled pellets and the gun still works great.

@stickyfox

5 ай бұрын

@@maukaman I used to put Hoppe's lube oil on the o-ring. A light film is enough, but I noticed that a drop or two would make the next few shots crack like a .22 if I gave it more than 3-4 pumps. Accuracy was garbage tho!

@dsdy1205

5 ай бұрын

What happens if you put ethanol in there?

You know it's a legit science lab when the coat has "El Cocinero" written on it

@HGKEntertainment

5 ай бұрын

I believe in "El Coochino"

@Nehauon

5 ай бұрын

@@HGKEntertainmentit says El Cocinero, meaning The Cook in Spanish I believe

@grbadalamenti

5 ай бұрын

😂😂😂😂He might turn around and stir a paella any moment😂😂😂

@salsaniggas8544

5 ай бұрын

​@@grbadalamentiHe be cooking meth

@georgerafa5041

5 ай бұрын

it means cook. Obviously a Breaking Bad reference. @@Nehauon

My uncle made a survival tool in the 80's on this principle. It's only feasible in extremely cold or wet areas (Think Sibera and arctic cyclones). Got enough money from 1 invention to care for his whole extended family to this day

The energy in the gas is being focused into a smaller space. Kind of like how a magnifying lens works with sunlight it doesn't make energy, it just focuses it. The same thing happens in reverse, such as when you use an air duster for too long and it gets cold. A/C and refrigerators work by the same principle. That's why the back end gets hot. _I uh... hope that made sense to someone..._ 😅

@micahap1559

2 ай бұрын

When you compress the molecules into a tighter space, it's ability to hold the energy is decreased and the energy is release as heat. Think of it like a wet sponge. When you compress the sponge the water which would be the energy is released.

@aceman9030

Ай бұрын

Can you tell me what heat energy is? Without looking it up on the internet

@classifiedveteran9879

Ай бұрын

@@aceman9030 thermal energy. It's atoms jiggling and vibrating.

Fire Piston. Tech has been around since 1745. Some bushmen still use the fire piston to start a camp fire.

@BunN954

4 ай бұрын

Yep, in Malay culture/tradition this was a equipment they use for fire starter which made from wood & steel around the 17 centuries. I used it few times when i was a kid but nowadays people just use lighter

@fieryr

4 ай бұрын

isn't flint stone ignition simpler and easier to riproduce in nature?

@bigtimebop

4 ай бұрын

bro just craft flint and steel 💀💀

@SuperD37

4 ай бұрын

@fieryr Depends on a lot of factors. A planned trip and both options are equally viable, so let's look at SHTF scenarios. Would the person recognize flint or one of the other stones that will spark off of carbon steel (since stainless won't work)? Are they in an area with flint? Most knives anymore are made of stainless steel, so it's unlikely most folks would have a carbon steel knife unless they specifically selected it. Since stainless won't spark, its unlikely a person would have the right materials unless they carry a SHTF kit all the time. A fire piston can be made in the field with natural materials, but the skillset takes practice, so it's not something that somebody can just watch a vid and then hope to pull it off. I personally don't depend on the fire piston but I won't write it off. I carry multiple fire-starting options every day for that reason.

@raimohoft1236

2 ай бұрын

Since pharaonical times. The old egyptians used fire pump igniters.

“Are you watching youtube all by yourself?” “NO, i’m with the science team!”

@max3eey

4 ай бұрын

Shut up

@AleV69692

4 ай бұрын

Fr and she tried retroactively try to accept that meme so she didn't look embarrassed😂😂😂😂

@max3eey

4 ай бұрын

No shush I don't care

@garadak7.

3 ай бұрын

AHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH

@letzplayosaurus

3 ай бұрын

​@@max3eeyyou commented seems like you do care after all

the kick back under compression perfectly demonstrates how the piston turns the crankshaft.

This has given me an idea for a new bong design 🔥

That's how boxing mantis shrimp generate energy to beat their prey to death

@acm-gs6bl

6 ай бұрын

also how they literally boil water with the speed of their punches

@mmshdgmus3166

6 ай бұрын

This phenomenon is called cavitation in physics you can Google it for more detail

@Crystal-58

6 ай бұрын

thats also how i do that

@mookinbabysealfurmittens

6 ай бұрын

​@@acm-gs6blThat's pistol shrimp. And fwiw, it's mostly for self-defence. (They mostly just eat little bits from the sand near their burrow.) I had one who felt threatened when a curious little blenny got in too close, and the poor little fish was paralysed from a brain/spine injury. He laid helplessly on the bottom of the tank for a while, and I honestly can't remember wherher I was able to help him or not. All that from the immense pressure & heat j in bubble by the pistol shrimp's claw pop; the claw didn't touch the fish.

@benl.l6091

5 ай бұрын

I personally use it for ramen​@@Crystal-58

This kind of thing was tought to me as a child decades ago. It is called a fire piston and works amazing, especially if you put some charcloth in there; the pressure required to get charcloth to ignite is much lower and will create a burning ember much easier. All we used was a piece of copper pipe with a whittled piston made from a branch and made to snuggly fit into the cylinder but not get stuck. You put the charcloth and other dry combustibles into the bottom of the cylinder, place the whittled piston in the copper pipe cylinder and slam down, as in the video. Make sure to hold the piston inside the cylinder when you do this or your piston will launch from the cylinder, kind of like a mortar round. Your tinder/charcloth will be burning and can be dumped into a tinder bundle and then fire is relatively easily created. This trick has actually saved my life and I recommend this as a survival technique that everyone should at least know about. Thanks for the video.

@pendulumproject525

4 ай бұрын

Huh interesting, i always thought thus was how guns work

@haydenhowell1647

4 ай бұрын

How did it save your life? What’s the story?

@brianroman4114

4 ай бұрын

Yeah what's the story

@Jonesybabie

4 ай бұрын

Survival… 🤔where?! Some place a piston or copper pipe is located. And maybe some bottled water, pots/pans, and a radio too😂

@danroseveare3090

4 ай бұрын

@Jonesybabie These are skills, materials, and kit that you should have gathered and made work well in advance of needing them. Even though things are vastly different than when I learned about this, I''m sure you can find these items still for sale and can make the best piston and cylinder your mind can imagine. The things you have mentioned should be close to the first things you ALWAYS have anyway. Especially if you're in a Survival or SHTF situation. And remember, this was only one of many ways to create fire. Learning and practicing survival/SHTF skills is on the individual. I have done, and continue to do, my homework, build up my kit over decades of trials and errors, practiced, practiced, and practiced some more. Learned what works and when to use the skill/tool to accomplish tasks. If you don't have your kit (knowledge, practiced skills, tools/materials, etc.) ready to go at a moments notice, then I would urge you to develop that area of your life. Especially with the state of the world these days. Good luck and keep learning.

"Fire Pistons" have been a staple in Bushcraft for thousands of years. You can still buy them on the internet, and use them to start campfires with nothing but a bit of tinder made to smoulder via compression. Plenty of KZreads about them.

squeezing air to burn stuff is just the best title

Rudolf Diesel sent his greetings 😂

@KF1

4 ай бұрын

What a guy

There is a firestarter called a fire piston that uses this. They're rather small, compact and reliable.😊

@BH-ro4ly

3 ай бұрын

Cool I might buy one for my camping pack to use in emergencys

@PBVader

3 ай бұрын

Char cloth is your friend. Fire roll lint with ashes works too. Not too hard. It will self ignite.

@raimohoft1236

2 ай бұрын

... and as old as old pharaonical egypt, at least. They did use fire pump igniters back then.

This has actually happened with pistons in office chairs before.

Thats awesome. Best video Ive gotten to watch today. I woke up and now this is a awesome trick to watch.

Cultures have been using this principle for starting fires for millennia. They’re called fire pistons and were the inspiration for the diesel engines.

@Frommerman

5 ай бұрын

I was gonna ask what materials they could have used to make a good seal. Then I realized I forgot bone and horn existed, which both come in the form of convenient airtight tubes. Apparently bamboo works as well, which I had not guessed would be the case. Neat case where indigenous technologies went off on an entirely different direction and culminated in a product arguably superior to the European equivalent.

@Mindraker1

5 ай бұрын

For millennia? Jesus was using diesel pistons in Galilee?

@vincejohnm

5 ай бұрын

Millennia sounds like a stretch but ok.

@-ZH

5 ай бұрын

@@vincejohnm Wiki says “The antiquity of the fire piston in Southeast Asia is unknown, but it definitely pre-dated the Austronesian colonization of Madagascar (c. 100-500 AD).” But we all know the reliability of that site.

@pubcollize

5 ай бұрын

@@-ZH according to some tribes anything that wasn't invented in Europe of the 18th century and later doesn't exist. regardless of the reliability of wikipedia.

The angles of the intake and exhaust valves tells me you’re right about that model “being older than you are”😂

@gumpus5490

3 ай бұрын

What should it look like now?

@justsayin4632

3 ай бұрын

@@gumpus5490 ​​⁠Valves would be angled in the same direction as the flow of air to reduce turbulence and aid in the flow into and out of the combustion chamber. Whether air or water, you don’t really want right-angle turns as much as possible. Gentle bends/transitions optimize flow.

i love that he said that like "i didnt think that would work" XD

Sounds like the sound a Jacob's revolver makes in Borderlands 2

There are survival fire starters like this that fit in your pocket.

@hipreference

3 ай бұрын

Hell yeah, fire pistons are dope

@Rodneytheproducer1986

2 ай бұрын

I have one in fact it's a weird-looking lighter never knew what it was it had just been sitting in my drawer for quite some time until I came across a video about it

@thestone8187

2 ай бұрын

How do you get the fire out of the piston

@victorpilger314

2 ай бұрын

yelling@@thestone8187

@jackkraken3888

2 ай бұрын

I actually thought this was a fire piston!

notice how the piston goes right back up after he hits it? that’s how the power in an engine is generated. the energy from the air pushing back will be almost as much as the force compressing it (only almost because there’s small losses from friction), but igniting the fuel changes it’s chemical energy into heat, expanding the air more and causing it to push back on the piston harder than it was compressed. that’s how fuel + air = power !

@tarekyoussry6384

4 ай бұрын

٠

I‘m making the same observation every time I pump my bike‘s tires. To increase the internal pressure past several atmospheres, you need to apply quite a bit of pressure, and if you do all the time you get quite fast at it, which can heat up the pump significantly. Sometimes it gets so hot I rather wait a few seconds.

Awesome stuff. I am in love with this kind of content.

Apparently the same happens with atmospheric re-entry. It's not just the air friction that causes it to burn, its also the compression of the air

@ukkomies100

5 ай бұрын

Its cool how to capsule is so fast the air around compresses adiabatically. But on a large scale even weather is based on adiabatic processes because gasses are so poor at transferring heat

@teeanahera8949

5 ай бұрын

Ok, you’re pretty close but there aren’t two phenomena at play here. There’s just an adiabatic compression. “The term "friction" is a misnomer. The source of heat is adiabatic compression - gas on trajectory of the reentering object is compressed against its leading surface, and as result heats up.”

@UnknownMFe

5 ай бұрын

@@teeanahera8949 ah ok. There's no real "friction" Thank you for clearing that up :)

@kevinmurphy5878

5 ай бұрын

​@@UnknownMFemaybe friction would only be real friction with solids? Not sure.

@JAllenKaiser

5 ай бұрын

⁠@@UnknownMFethere is very definitely “skin friction” in fluid flow (gas in this case) over a surface as the fluid passes over / around it. That’s one source of aerodynamic drag, and it does, in fact, produce heat.

I have also seen this demo live before when we were learning the first law of thermodynamics. Because compressing a gas is actually doing work on it which increases its internal energy and hence temperature.

@alexmason5521

5 ай бұрын

That’s not really a good explanation

Tom Kenny out here being a scientist and SpongeBob. Impressive.

This Is How Diesels Work, Rudolf Diesel Actually Got The Idea For Diesel Fuel From The ‘Fire Piston’ He Uses to Play With As a Kid

The folks onboard the Titan Submersible met their fate the same way.

@KoeSeer

3 ай бұрын

One thing we know is, at least they won't even register they just died. they probably hear the clank and crack, but they won't even hear the water rushing in their sub.

@TiffMcGiff

3 ай бұрын

Came for this comment 😂

@JatPhenshllem

3 ай бұрын

How so?

@caravanlifenz

3 ай бұрын

It's crazy that full grown adults willingly stepped inside that tiny low-budget submersible, knowing it was going deep into the sea. The thought of it gives me nightmares.

@samgome01

3 ай бұрын

​Fast enough for the brain receptors to even register, that's insane.

typically referred to as the Heat of Compression in HVAC, though never used in a combustion sense. car mechanics will tell you that is the primary principle of operation for diesel engines

@mrbetabombs2017

3 ай бұрын

Can you explain further? I don't understand

That’s one of the basic principle of air conditioning. As your pressure rises, your temperature will also rise and vice versa. As your refrigerant goes through your compressor it drastically heats up as it is being compressed. As your refrigerant goes through your TXV (thermostatic expansion valve) the pressure immediately drops and your refrigerant temperature plummets as a result. Pretty neat.

This man has taught me interesting lessons than in actual school.

This one simple video has managed to teach me more about how engines work than anything else in my 22 years on this planet. That’s proper teaching right there.

@kithiikyuma5733

4 ай бұрын

How I hate to agree with you on this one. Totally relatable.

In gasoline engines this kind of autoignition is called knocking. It puts pressure on the piston before its in the right position. The reason lead was in gasoline in the past was to prevent this

@walterbishop2

5 ай бұрын

Its not the early ignition, what wears the Engine and makes the knocking Sound. If a Gas Engine Knocks, there are basically two explosions happening: one explosion from the autoignition and one initiated by the Spark plug. When they Hit each other, a pressure Spike makes the Sound and puts huge wear on the Engine. To preven this, there are Sensors which can tell the ECU that the engine starts to knock. The ECU then fires the Spark Plug earlier, so the autoignition can't Happen anymore as there is nothing left to burn.

@Vermagerber

5 ай бұрын

Also engine run on or dieseling.

@rexruchi

5 ай бұрын

​@@walterbishop2 what are the causes of engine knocking and can it be prevented by high octane fuel

@darrinjt1

5 ай бұрын

Thomas midgley Jr. had the idea to put lead in gasoline to stop engine knocking There's a KZread video called " how this man accidentally killed the most people in history "

@walterbishop2

5 ай бұрын

@@rexruchi Depends on the Engine and the Fuel. Most modern Engines can run on Fuel at least one Grade lower then they are designed for, with the cost of less Power and more consmpumption. As anything less then 95 Octane went extinct in Europe decades ago, Knocking because of Bad Fuel isn't a Thing Here anymore. An Engine can also knock for other reasons, such as wrong Spark plugs, running too hot, massive Carbon build Up etc.

Creo que esto también sucede con algunos combustibles de automoviles. Cuando vayas a recargar, revisa el octanage y fijate si es menor o mayor al de tu auto. Si es mayor, no hay problema, el combustible se encendera con la mecha como lo hace normalmente. Si es menor lo que pasara es que el combustible se quemara por la presión antes de que la mecha siquiera pueda encenderse, lo cual podría romperte el motor a largo plazo. No lo pongo en inglés porque es tarde y me costaría pensar, mas que no sé hablar ni escribir en inglés tan bien. Estoy aprendiendo así que algún día compartiré mis opiniones en su idioma para que les sea más fácil leerlos. Un saludo a quien haya leido esto, nos vemos.

Literally the last bit of info i needed to understand a combustion engine

This is why the Titan crew vaporized before they could be crushed

@xxfalconarasxx5659

5 ай бұрын

The fireball lasts for a fraction of second. It probably would hardly leave a first degree burn, let alone "vapourise" them.

@JoachimFosse

5 ай бұрын

@@xxfalconarasxx5659 You clearly don't know the tempratures we are talking about here. Based on math calculations in a reddit thread it would have reached closed to 1 726.85 degrees celsius inside the sub. At that point the time of exposure is not your biggest problem

@xxfalconarasxx5659

5 ай бұрын

@@JoachimFosse I know quite well the temperatures we are dealing with. It's estimated that the fireball is about half way the temperature of the Sun. However, this is also the temperature you'd get from the detonation of a hand grenade. The temperature of a lightning strike is about 30,000 C, well over the fireball temperature inside the Titan. Most victims of lightning strikes are not reduced to ashes, because of how brief the exposure is. So my point still stands.

@riverpierson288

5 ай бұрын

Lightinging uses most of its energy going through the air by the time it reaches the person it is much less powerful

@AtaGunZ

5 ай бұрын

@@xxfalconarasxx5659 Isn't what cools it down in the video decompression. That sub stayed compressed, no energy lost to decompression right?

This has childrens science toy potential, they love fire and smashing stuff! Plus this seems fairly safe, which is nice

@eriksoares5720

4 ай бұрын

I was scrolling through the comments looking to see if anyone has a link to this thing for sale and I saw your comment hahaha

@StrangeWorld11191

3 ай бұрын

ye, but webare of the fuel they'll use😂

@PhoenicopterusR

3 ай бұрын

It's only a matter of time before they figure out they can light fires with it.

"I wouldnt think that squeezing something would start a fire." The sun all day every day for millions of years.

The titan submersible approves this experiment

As others have said, this is how diesel engines work. Definitely not other general internal combustion motors though. When this happens before the spark plug makes a spark in a gasoline or a propane motor, it's called "knock" or "preignition" and is very bad for the motor.

Chemistry is more interesting than my thinking, just need teachers like you 🙂💯

@katzofant

5 ай бұрын

This is just physics. Joule-Thomson-Effect. No chemical reaction needed. The cotton was just to show that it gets hot enough to ignite stuff. Fun Fact Mr. Thomson was later ennobled and was afterwards known as Lord Kelvin.

@teshgaming3396

5 ай бұрын

@@katzofant thanks bro for sharing this such information with me💫🌟

@DekarNL

5 ай бұрын

I know it as adiabatic compression. But yeah indeed this has nothing to do with chemistry except that the cotton burns from a carbon compound to CO2 and H2O

This is exactly how the Mantis shrimp works when it hits something !!!

A lot of people who use high pressure tanks, like Oxygen for Oxyacetylene or weld sheilding gasses, when you put on a regulator and open the valve on the tank, there is a flash inside the tube between valve and regulator. This is why you always make sure there is no grease, oil, paper, or cotton in the oxygen regulator collar or inside the orifice on the tank neck, the flash is fine when it's just oxygen, but something flammable will explode.

This guy's going to freak out when he hears about a diesel engine.

@couchpotatoes5158

4 ай бұрын

Wut

@JoeShopper

4 ай бұрын

@@couchpotatoes5158 I said "This guy's going to freak out when he hears about a diesel engine."

@copernicofelinis

4 ай бұрын

​@@JoeShopperLOL (and I want to stress the last "L")

@spinekingjrgensen5779

4 ай бұрын

This guy is the type of person to teach someone what they need to invent diesel engines.

I see survivalists using this method to start fire.

@Vikingwerk

6 ай бұрын

A friend and I made about half a dozen of these, they are called a Fire Piston. If you use char cloth instead of plain cotton, the ember will persist long enough to be pulled out and used to start a fire. Been used for centuries actually, even primitive versions made of bamboo!

@hannabis80

5 ай бұрын

Yeah Survivorman Les Stroud uses one in one of his videos.

@iamgriff

5 ай бұрын

@@Vikingwerk I remember seeing the it made from bamboo actually! Lol

@user-28qhfk65

5 ай бұрын

​@@iamgriffThat was how it was made traditionally

@daze8410

5 ай бұрын

You can start a fire with a hammer and a nail

Also how scram jets work. The air is moving so fast thru the engine a little compression makes the air super heated to where it can ignite fule to make the expansion faster creating thrust to propel an already 3.5 mach object faster.

Basically a very simplified version of the Sun. Thanks gravity for doing the squeezing

I wish all my science teachers were as entertaining and exciting as this man is. I feel like learning from my nigga would make these classes a lot easier and fun to have learned from.

@adamproud7986

4 ай бұрын

Indeed science is like a game ,or a story science teachers should be either fun or good story tellers

@butterstuckingutter

4 ай бұрын

learning from your WHAT ⁉️⁉️⁉️⁉️🤨

No matter how many times i had this explained. This is the first time i actually fully understand and it and can actualize that theory and practice. If only engines were see-through!

@iRossco

5 ай бұрын

Unnecessary...just pump up a bike type with a hand pump & if do it fast you won't be able to hold the bottom of it as gets hot from "heat of compression"

I’m an infantry veteran and this is how you detonate the newer versions of the Claymore mine.

"Smells like smoke" give this guy a fuckin' Nobel prize.

"Now that didn't happen because I'm so strong.. even though I am" -Michael Stevens

@pranavps851

5 ай бұрын

Or, am I?

Only diesels use compression for ignition. Gasoline vehicles use spark.

@1ZZFE

4 ай бұрын

The compressed air pressure built up in the cylinder also is part of the contribution to the power.

@ultrastoat3298

4 ай бұрын

Unless they are knocking

@CraciunNicu

4 ай бұрын

Well... Mazda do it with skyactive X motors. Copy from a article... the Skyactiv-X engine will use high compression to ignite like a diesel, running a very lean air-fuel mixture and reducing emissions. But when you step on it, the Skyactiv-X acts like a regular supercharged Atkinson-cycle gas engine. The ignition process starts with a spark before the engine's increased pressure is used to heat up the cylinder and ignite the rest of the mixture without further help. ..and that was in 2017... We still better tech as EV 😏 Chill out.✌️

@davidjacobs8558

3 ай бұрын

@@ultrastoat3298 yes, that's why high compression gasoline engines require premium fuel, to prevent premature ignition due to this effect.

@frannelwokatega4057

2 ай бұрын

Would gasoline not catch fire if compressed? Or that happens only to diesel?

Now we can build ncc-1701 at last🔥🔌🚀

I work in plastic injection. If a mold is not vented properly or if you try to inject the plastic too fast, you'll get black burn at the last place to fill with plastic. Also while purging somethings you'll get a cold slug. If you force the issue... the plastic will shoot it super fast and ignite once it hits something.

Not just the heat, the increase in pressure also means there's more oxygen molecules closer to the cotton.

@john-ic5pz

6 ай бұрын

excellent point!

@lightbringer485

5 ай бұрын

Well I didn't understood it.. When he Squeezed It Pretty sure Volume decreased, And Pressure increased So How Come Temprature Increased there

@gfries4906

5 ай бұрын

@@lightbringer485When you squeeze gas, the atoms get closer even when they don’t want to. This makes them vibrate around a bunch which makes it hot.

5 ай бұрын

​@@john-ic5pzpointless point. Just imagine high pressure low temperature air around cotton. Will it ignite? I doubt it.

@TiSapph

5 ай бұрын

​@@lightbringer485 Some of the work done by the piston goes into heating the gas. On a microscopic scale it could be explained by molecules hitting the moving piston. As the piston is in motion relative to the gas, on average those molecules will gain velocity. For a thermodynamics description, have a look at adiabatic compressions.

They have a more basic form of this for wilderness survival to help you start fires. It's great because you don't need matches or to rub sticks together. You just put your tinder in the cilynder and dump the ashes out and put kindling on the smoldering tinder. It's not easy to use but it's better than many other fire starters out there

You wouldn’t think that physics works as intended, but it often does!

I'm a diesel guy so I absolutely would believe it lol. Cause that's how my engine works.

@HalideHelix

5 ай бұрын

Whoa.....cool....a diesel guy

@Redbikemaster

5 ай бұрын

@@HalideHelix big diesels tho. Not those cute little pickup ones

@gnrtx-36969

5 ай бұрын

Same here lol

@couchpotatoes5158

4 ай бұрын

🙄

@Lawrence330

4 ай бұрын

​@@Redbikemasterno, the cute little ones, too. They all work by compressing the air to the point of the heat igniting the atomized fuel.

Diesel engine to be precise, most ICE engines use gasoline and spark plugs, but Diesel engines work just like this.

These are how the plunger firestarters work that hikers campers, hunters, survivalist, take in the woods with them.

Makes sense. You would think the Butane in a cigarette lighter was cold, because it comes out cold, but its actually much warmer than when it comes out. It looses so much energy from being released that it makes frost.

I was wondering why my pump tube got so hot while I was pumping up my bike on a very cold day. Thanks!

@s1lh0u3x

3 ай бұрын

nah thats because of the rubber piston rubbing on the inside of the pump creating friction = heat. a bike pump gets nowhere near the pressure needed to ignite anything

@lothar654

3 ай бұрын

​@@s1lh0u3xthat's not correct. The temperture exist of atoms that are moving, the more they move the hotter it is. By compressing the air the it gets way hotter, and to prove this, take a pump tube with the rubber inside but not let it build up pressure. You will notice it doesn't get near as hot as normally.

@JustinWatersJustinWaters

3 ай бұрын

The opposite of this may be a whip cream or duster canister cooling down quickly as it releases pressure.

@edgarrobles4827

3 ай бұрын

Nope, that's exactly why. Friction does cause some heating but the majority comes from the compression of the air. You can actually cause the pump to get extremely cold if you pull up quickly and then press down slowly.@@s1lh0u3x

@Jedi2155

2 ай бұрын

You got me in the first half not gonna lie.

I made a fire piston out of an old mini maglite, and used that in Scouts and it was easily my favorite way to start a fire

We actually use these in bushcraft, it’s a very reliable way of making fire outside (nobody really does after you buy it though 😂)

An example of this would be really cool being done by the slowmoguys. I'd love a super slowed down shot of what happens with the compression to create a small explosion.

This is Guy-Lussacs Law. It describes how temperature relates to pressure, more specifically how temperature increases as pressure increases, and inversely how temperature decreases as pressure decreases. This is the reason why your gas canister on a camping stove starts to get cold or even frost up when you’re using it.

@Safe_intentions

4 ай бұрын

Elaborate please 🥺

@Safe_intentions

4 ай бұрын

kzread.infofrmNjuWrzJg?feature=shared

@flare9757

4 ай бұрын

@@Safe_intentions It is a fairly simple law. If you go camping and you use a gas stove, you might notice ice build up around the regulator. This is what you are seeing. It also has some impact on aviation at high speeds, and can lead to a slight warming of the fuselage and wings.

@Safe_intentions

4 ай бұрын

@@flare9757 okay 👍🏻 got it During use, Gas is released so Pressure inside it decrease As the temp is directly proportional to pressure and vice versa The pressure decreased results in formation of frost right ? 💯

@flare9757

4 ай бұрын

@@Safe_intentions Yes, if it gets cold enough. Inversely, if a container is being pressurized, temperature goes up. It is weird until this is explained.

This is also why anything that re-enters our atmosphere burn up during re-entry. They are going so fast that its compressing so much air on one spot, friction is just another reason why it also happens.

@ElPsyCongroo.

5 ай бұрын

That's actually really interesting, never thought that could happen, I always thought it was just friction and that it didnt have enough pressure to make it heat up since it's in open air and not in a sealed chamber.

@juliavixen176

5 ай бұрын

​@ElPsyCongroo. At supersonic velocities, the air can't move out of the way fast enough. So, in a certain sense, the air itself is a "cylinder wall"

@FactionalSky

5 ай бұрын

That's true. Friction is one but not the only reason. 👏

@iRossco

5 ай бұрын

gets hot from "heat of compression"

@YounesLayachi

5 ай бұрын

what's more interesting is that a lot of the heating is done by radiation , not just conduction. the compressed air in front of the re-entering object is so hot that it turns to plasma and emits a ton of EM radiation. this in turn interferes completely with any telecommunication system during that stage of re-entry

Aint that just how diesels work

I'm guessing this is why meteors burn up when hitting the atmosphere

That piston model was awesome.

This would scare a caveman

@clintonconner63

4 ай бұрын

Fire pistons were actually invented by cavemen. They've been used for thousands of years. Also, in part what Diesel used as inspiration for his engine.

That's also why things heat up when they fall to Earth from orbit. It's not the friction of the air passing, it's the compression of the air underneath it.

homie casually pulls out his combustion engine from the side of the desk

It's know as GOBEK API in Malay peninsula..Fire pistons were invented by Southeast Asians (probably the Austronesian peoples).. Their use was mostly concentrated in the Austronesian regions, particularly in the Malay Peninsula, the Philippines, Borneo, Sumatra.. These piston bellows could pump sufficient air into a furnace to produce temperatures high enough to melt metal, which led to the independent development of sophisticated bronze and iron metallurgy in Southeast Asia starting at around 1500 BC

that's the best way to put it, Doc.

This was basically the inspiration for rudolf diesel to design the diesel engine.

I was coming to make a diesel joke but I see this thread is already full of cultured men

hello diesel engine! (not internal combustion engines in general as he suggested; gasoline needs a spark to ignite at the conditions gas engines operate under)

@shawnr771

5 ай бұрын

Diesel requires a glow plug for intial ignition.

@FactionalSky

5 ай бұрын

Gasoline basically does not need a spark to ignite. The wrong gasoline in the wrong gasoline engine will self ignite as well and cause knocking. Ofc. gasoline engines do not want the gasoline to self ignite that's the reason why gasoline is made to certain specs that do prevent self ignition so it does mostly only ignite from sparks. But for demonstration any of those engines will do.

@FactionalSky

5 ай бұрын

​@@shawnr771no. Glow plugs are for preheating not for ignition. Not needed to run but makes the diesel engine start faster and cleaner.

@alexmason5521

5 ай бұрын

@@shawnr771no it doesn’t. Who told you that.

@loganbaileysfunwithtrains606

4 ай бұрын

@@shawnr771no, glow plugs aren’t like spark plugs, the closest thing to a spark plug used on *some* diesel engines are “hot bulbs” and how it works is diesel is sprayed over the hot bulb which vaporizes the diesel to aid in combustion.