Catalytic Converters - Explained

Автокөліктер мен көлік құралдары

What is a catalytic converter? How do catalytic converters work? This video explains how catalytic converters convert harmful gases into less harmful gases, so the air we breathe is more pleasant.
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Пікірлер: 329

  • @Machardy
    @Machardy10 жыл бұрын

    I tip my metaphorical hat to you sir... you cover some heavy topics but i can keep up with every single one. This is what youtube was built for... sharing knowledge. Cant thank you enough

  • @Munoz387
    @Munoz38710 жыл бұрын

    Your vids truly are a blessing, I watch at least one of your videos every day knowing I learned something new.

  • @EngineeringExplained

    @EngineeringExplained

    10 жыл бұрын

    Thanks for watching so frequently, glad you enjoy them!

  • @sagittaria9566

    @sagittaria9566

    4 жыл бұрын

    Engineering Explained your videos have helped me significantly at my job at AutoZone. Can’t thank you enough!

  • @EngineeringExplained
    @EngineeringExplained10 жыл бұрын

    You're very welcome, thank you for watching!

  • @jujubibioscoop
    @jujubibioscoop5 жыл бұрын

    Still watching 5 years later! Thank you so much for you awesome work ! You’re my partner during my exam haha, it helps a lot thanks to your simplicity and your clearness. Hope your passion and imagination to prepare great subjects will never end :D

  • @haowenchen8068
    @haowenchen80687 жыл бұрын

    Man I am working on my Master degree in ME and your videos help me so much

  • @ithix06
    @ithix0610 жыл бұрын

    Great job! This is the best explanation I have found on youtube.

  • @EngineeringExplained

    @EngineeringExplained

    10 жыл бұрын

    Thanks!

  • @bflinn
    @bflinn11 жыл бұрын

    @EngineeringExplained Your videos have helped me so much. I started watching your videos a couple days ago and am almost done with them all. I am currently a sophomore in mechanical engineering and have always liked cars. Your videos have made me want to explore cars more in-depth. Thanks again!

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    Great, thanks for watching! Seriously 100+ videos in a few days? Maybe time for a nap.

  • @stevecarter7612
    @stevecarter76128 жыл бұрын

    This is a great video man. Needed to learn how they worked fast and this helped so much. Thank you.

  • @agostinhojosealexandre5594

    @agostinhojosealexandre5594

    8 жыл бұрын

    +Steve Carter that make us two

  • @RY3ER_

    @RY3ER_

    8 жыл бұрын

    +Agostinho José Alexandre And possibly 3. :)

  • @EngineeringExplained
    @EngineeringExplained10 жыл бұрын

    It's the carbon in the exhaust, which hasn't been filtered out. Modern diesels typically will have DPFs (diesel particulate filters) which will almost eliminate this.

  • @TheHappyKamper
    @TheHappyKamper11 жыл бұрын

    Great explanation. I've seen inside a catalytic converter, and have always been curious as to how it works exactly.

  • @EngineeringExplained
    @EngineeringExplained10 жыл бұрын

    Oxygen alone is fairly dangerous so this isn't too common to do. It's safer to use it as a molecule with N2O which keeps the oxygen from igniting until it has split from the two nitrogen atoms.

  • @zfloz9895
    @zfloz98954 жыл бұрын

    I'm watching all your videos for years now. But every time I re watch them ,I learn more stuff then previous time. :))

  • @gregkimura5906
    @gregkimura59062 жыл бұрын

    Excellent video on the chemical interaction with the catalyst + the two types of catalysts in a converter. I love watching your videos! Thanks for sharing.

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    Great to hear! Some of it is still a little voodoo to me. I don't fully understand the attraction between the catalyst and the molecules. Obviously it has to do with the electron cloud; but I don't enjoy chemistry enough to continue to dive deeper.

  • @ratratrat59
    @ratratrat596 ай бұрын

    I know this is 10 years old. Love coming across this content. Fantastic. Nice to witness smart, well educated young people on the internet. Great job young man! Excellent presentation. It would be interesting to know what you are doing with your career and education these days. Thank you

  • @aahladv
    @aahladv7 жыл бұрын

    great videos ..very helpful during exams. THANK YOU

  • @DJ-ws6je
    @DJ-ws6je5 ай бұрын

    Glad the video quality and explanations improved over time.

  • @mannydrives8774
    @mannydrives87749 жыл бұрын

    Good job man, I've been looking for videos like this. Super helpful

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    Downforce, for higher cornering speeds/traction. Check out my video "front wing" which goes into a bit of detail of aero in F1 racing.

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    You may be interested in my videos on rotational inertia. Aside from that I don't have much to say about rims.

  • @yoyo510
    @yoyo5107 жыл бұрын

    Thousands of tiny little ducks, you say....

  • @fmphotooffice5513
    @fmphotooffice55132 жыл бұрын

    Simplest (smartest) description I have found...

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    Typically they last the life of the vehicle, but you'll know upon your car inspection whether or not. If you do have to replace it, it can be as simple as unbolting and putting the new one in; sometimes it will require some welding.

  • @dontworry4218
    @dontworry421810 жыл бұрын

    Thank You,this helped me on my science C1 Exam

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    I've got a video on KERS, regen braking pending. I also do want to do a video on the new F1 engines eventually.

  • @kevincaputo3044
    @kevincaputo30449 жыл бұрын

    I was looking for videos like yours. thank you, these are going to help me learn.

  • @tayleanruatha
    @tayleanruatha5 жыл бұрын

    Thanks much! That was well explained and not excessively complicated. Cheers

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    I will be making a video on O2 sensors, yes!

  • @mattr3632
    @mattr36325 жыл бұрын

    Your videos are far better than that guy who thinks he's a comedian. I appreciate presentations that get straight to the point.

  • @DrumGod22
    @DrumGod2211 жыл бұрын

    This is why I love your channel. extremely simple to understand how cats work. What's the connection to the need for an operating temperature?

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    Yes, sounds good, best of luck!

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    It's a mix with the other elements I mentioned.

  • @joshteague8904
    @joshteague8904 Жыл бұрын

    I found this to be simplified in a good way, yet very informative. Simplified explanation goes a long way in theory retention. Do you have anything on EGR cooler and it’s function? Thanks 😊

  • @RichardFreeberg
    @RichardFreeberg10 ай бұрын

    Well done. Nice explanation, overview and graphics. Basic stuff, but what I needed. I think it would help to have taken basic chemistry to appreciate and absorb the information presented. As far as I can tell the chemistry is spot on but simplified. Thanks!

  • @wesleyhunt7599
    @wesleyhunt75996 жыл бұрын

    This is probably how dragons breathe fire

  • @Dan-et9lr

    @Dan-et9lr

    5 жыл бұрын

    this is an underrated comment

  • @MrBenny777777
    @MrBenny7777775 жыл бұрын

    Thanks for this clearly explanation. You did help me a lot .

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    Well hopefully this video illustrated the reason. If the water condenses (water is a product of combustion) you may see it drip out the back of the exhaust.

  • @Engineerboy100
    @Engineerboy1008 жыл бұрын

    Excellent! Good job. Thanks for a great explanation.

  • @ItsAverageJohn
    @ItsAverageJohn11 жыл бұрын

    I'm mostly interested in the way it steered.. I was really amazed after I saw some behind the scenes stuff with the car going sideways and stuff!

  • @stephaniewhittaker1665
    @stephaniewhittaker16654 жыл бұрын

    Explained really well. Easy to understand :)

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    Basically it's much easier for the chemical reactions described in the video to occur when the system is at a higher temperature.

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    The engine block itself shouldn't be getting that ridiculously hot, as it has ports flowing through with coolant that try to keep the temperature somewhere around 200 degrees F (coolant temp). So I don't think water getting on the block would be a huge concern (obviously it happens when it rains or you dive through a puddle. That said, I wouldn't simply dump a bucket of water in it; and driving through deep water can cause countless problems.

  • @tomaspreece
    @tomaspreece11 жыл бұрын

    Should be awesome that you can post videos on Twin Charge systems like in VAG, or Launch control, or MSD ignition systems, or variable geometry turbos, or KERS, or Regenerative Braking.... also if you can talk about the new regulations for F1 next year on turbo engines... Nice Channel keep up the good work!

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    I believe they all use the same basic set-up; the high-flow ones just have more area to pass through.

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    Yep, I believe that's true.

  • @jagadeeshgurana4490
    @jagadeeshgurana44905 жыл бұрын

    Great explaination! Thanks a lot...

  • @mukulchauhan9591
    @mukulchauhan95917 жыл бұрын

    this is a good explanation, now I m clear about it.

  • @BillyJoe1305
    @BillyJoe130511 жыл бұрын

    Great video, I haven't been able to find a single other explanation of cats other than that they burn off the harmful gases. Which raised way more questions than answers for me. Thank you for going into just a little bit of detail so I can understand the core principles of how these things worked. Everybody else just made it sound like Voodoo.

  • @LamborghiniRGT
    @LamborghiniRGT8 жыл бұрын

    Great explanation!

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    The air you're breathing is 78% nitrogen.

  • @xartpant
    @xartpant11 жыл бұрын

    Could you please make a video on fuel maps and ECU programms

  • @keremsahin5482
    @keremsahin54822 жыл бұрын

    Many thanks for this video.

  • @mateorua7673
    @mateorua76733 жыл бұрын

    excelent video buddy, thanks for the knowledge

  • @shaswatdas6553
    @shaswatdas65533 жыл бұрын

    Emo phase of engineering explained! Still love it! And ... That whiteboard never gets old😂

  • @fuzzbot7158
    @fuzzbot71587 жыл бұрын

    thanks for your explanation

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    Interesting, perhaps to aid in burning off any excess fuel.

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    Unbolt it, and yes, it could. You should leave it in as most states require one legally.

  • @FarmYardGaming
    @FarmYardGaming3 жыл бұрын

    We're covering hydrocarbons in Chemistry again, and that oxidation/combustion equation does come up. Neat.

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    Rich a/f mixture.

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    Certainly both technologies need to evolve and improve over time; catalytic converters are not 100% efficient, so keeping the engine efficient is important too. Also, catalytic converters cannot eliminate CO2.

  • @vegetossgss1114
    @vegetossgss11143 ай бұрын

    Thanks for the episode! I have a new car model (about 2017) working on diesel and a semi-open garage (I mean there is a ceiling that covers two-thirds of the car but not all the car, three walls but there is no door in the entry, and instead 2,5 meters of fresh air). Can carbon monoxide still be dangerous if the car's motor remains on, or is it safe even if I forget to put it off and stay inside the garage??

  • @Beowulf-eg2li
    @Beowulf-eg2li7 жыл бұрын

    Thank you for explaining this :)

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    Assuming it's the most restrictive part, yes (not necessarily true). Though it's illegal in most states, and should be kept on.

  • @vishalrajvaswani1424
    @vishalrajvaswani14249 жыл бұрын

    how often do the inner plates need soot cleaning?

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    I've been a partner for over a year. In fact, anyone can be a partner now; but I applied before April of 2012 where you still had to be accepted into the program.

  • @Wowed45
    @Wowed459 жыл бұрын

    Cool, I'm only 14 and I feel like I could explain a whole car and put one together your awesome😄!

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    It can cause back pressure, hence the creation of high-flow cats.

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    Tal vez un dia!

  • @IGenesisZeroI
    @IGenesisZeroI11 жыл бұрын

    Do you have a video on the O2 sensor that's before and after the Cat? If not can you make one? I do have an idea from their name but to know exactly how they work and sync with other parts would be nice. Thanks for another great video, please keep it up. Learning a lot!

  • @ztz818
    @ztz8186 жыл бұрын

    I learnt so much in less than 5 minutes. why can't all science be taught like this?

  • @SethiestSeth

    @SethiestSeth

    6 жыл бұрын

    Yang Zhou but you didn't *learn* how to spell...

  • @peterhub1
    @peterhub14 жыл бұрын

    thanks for the explanation. are any companies looking to do co2 capture in addition to catalytic converters?

  • @Bokbokbok00
    @Bokbokbok009 жыл бұрын

    thnx, explained pretty well for my gcse chem although is there a difference between cataysts for the cracking process and the converter? thnx again (:

  • @naveenroshan2034
    @naveenroshan20346 жыл бұрын

    Thanks bro the video was really useful👌

  • @mebibyte9347
    @mebibyte93478 жыл бұрын

    thank you for this, amigo

  • @bigtime1356
    @bigtime13566 жыл бұрын

    Thank you man, srsly this was the only video that helped me with the homework, you are a superhero

  • @MrChezburito
    @MrChezburito11 жыл бұрын

    thanks for the great video as always!

  • @popdansergiu6598
    @popdansergiu65984 жыл бұрын

    Great video

  • @Sully9711
    @Sully971110 жыл бұрын

    This is why if you are failing your vehicle inspection due to emissions they will sometimes tell you to go for a long drive then try again, because the catalytic converter will be more efficient once it has warmed up due to you driving it around a lot

  • @stinkbra

    @stinkbra

    10 жыл бұрын

    is this why a lot of exhausts on a healthy car can be a little smoky on cold start-up?

  • @ayushithakur188
    @ayushithakur1887 жыл бұрын

    Awesome lacture

  • @supaxui
    @supaxui6 жыл бұрын

    Hi Jason, What are the benefits of having two catalytic converters in a car? Is it to increase longevity of the catalytic converters or to increase efficiency of the catalytic converters?

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    Not positive, I assume they just have a greater area for the exhaust to pass through.

  • @ecopegasus
    @ecopegasus10 жыл бұрын

    Can you explain how to calculate the unburned fuel in the exhaust? I've watched your O2 sensor and exhaust videos and don't see that detail... Specifically I'm looking to find out how much of the fuel was not burned in the engine (pre cat). I'm certain there is some way by using the CO and CxHx. Can you help me or point me in a direction where I can find the answer?

  • @mangkanor3982
    @mangkanor39827 жыл бұрын

    I really like all your videos , Quick question since you own or once own a an acura integra you might help me I change my Integra's Cat about a week ago everything works fine the check engine light went out for a weeks yesterday i smell this "rotten egg" smell again , check engine light went on again...I have a feeling its my catalytic converter again is there any reason why my Catalytic broke down if it is the main reason?

  • @jcoronet2000
    @jcoronet20009 жыл бұрын

    very informative!

  • @AGibbs93
    @AGibbs9311 жыл бұрын

    Great video really well explained. Thank you very much :-)

  • @iDeerify
    @iDeerify7 жыл бұрын

    thanks, great video.

  • @radnasirhill
    @radnasirhill3 жыл бұрын

    Hi. Would you agree that the stuff entering the catalytic converter is on some level still could be called by name fuel? Does not matter what grade but would it be in your world a fuel?

  • @ben315to405thenstop
    @ben315to405thenstop11 жыл бұрын

    Thank you for your videos man

  • @jaimerb1
    @jaimerb19 жыл бұрын

    Does lacquer thinner in gas tank can clean the catalytic converter without damage to the hoses or rubber components? I have the code P0420 on my 2001 Chevy Monte Carlo

  • @maheshmaheerock6836
    @maheshmaheerock68365 жыл бұрын

    Good info

  • @nirajsrivastava226
    @nirajsrivastava2266 жыл бұрын

    Which converter contains platinum mostly ? Petrol or Diesel ? After purchase from the scraps, precious metals existing in there or not ?

  • @chinmayb7069
    @chinmayb706911 жыл бұрын

    It is India. We are still in Euro 3 standard. They say it is one of the features of Euro 3. I have heard someone saying that the oxygen provision is merely to dilute the exhaust gases so that there will be less harmful gases per unit volume. So it does not help to reduce harmful gases instead it just fools around. But I think it does some job of burning the exess fuel as you said.

  • @EngineeringExplained
    @EngineeringExplained11 жыл бұрын

    I didn't know that it was, interesting.

  • @ItsAverageJohn
    @ItsAverageJohn11 жыл бұрын

    Hey man any chance you do a video on magnetic suspension? or the way the formula-like car in fast 6 works? thanks!

  • @jonswiftucf
    @jonswiftucf11 жыл бұрын

    I'd like to understand a few of the Porsche technologies. Rear Wheel Steering, Dynamic Vectoring, etc.

  • @alextentacion2359
    @alextentacion23595 жыл бұрын

    nice i understant everything

  • @noraferencz6835
    @noraferencz68357 жыл бұрын

    You are awesome!

  • @SvinTheViking
    @SvinTheViking8 жыл бұрын

    At 1:23 you said the nitric oxide bonds weren't as strong as the bonds with oxygen and the catalysts. What exactly do you mean by this? I know the electronegativity can't be as high in those bonds so what physical mechanisms are occurring that cause this? I've taken a couple of college level chemistry courses and I'm about to take organic chem. What you spoke about here is what we are about to go over in class and I was hoping you could give me a good explanation of a real life example. Thank you and you do have amazing videos.

  • @sunyboy333
    @sunyboy33310 жыл бұрын

    Great video, just wondering though: Would there be any reason you couldn't use the same catalytic converter indefinitely?

  • @EngineeringExplained

    @EngineeringExplained

    10 жыл бұрын

    They last for a good while, but if carbon were to build up it would at least need to be cleaned.

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