Practical Engineering is all about infrastructure and the human-made world around us. It is hosted, written, and produced by civil engineer, Grady Hillhouse. We have new videos posted every first and third Tuesday, so please subscribe for updates.
Practical Engineering: Deciphering Our Constructed World
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Oh I'm sorry, is America a lil baby boo now? It's weewy hawd so mewica can't do dah ting 😿 Guess doze mean commie Chinese folks gonna be dah new Mewika 🤷
You video is extremely admirable as one never imagines occuring such incident in USA ITS vividly a fault of dam monitoring agency .They failed to trace out cracking in chute and seal those prior to the incident All dams must be monitored as per ICOLD guidelines by 03 Tier monitoring system and any issues observed at site must be immediately brought in to the knowledge of experts for asvise in order to avert any catastrophe
Also no test of Emergency spillway just after construction is also not comprehendible as these structures have an intended purpose.
As all Mega structures have indicators to switch on emergency
Kindly share the details of instruments installed at Spillway to 3
If you want solar in the midwest reply to my comment
The solar pannels are made to turn off when the power goes out if you dont have batteries
What’s global warming got to do with it? There are many credible scientists out there who would disagree with you on that point. No matter, I do want to thank you for the core information you very simply explained on how electricity is generated and distributed and especially how the frequency is maintained depending on load. I have often wondered about the latter. I am not an electrical engineer nor an electrician but I love the analogy of the locomotives with generators on how constant speed and frequency are maintained irrespective of load. Thank you. I now understand.
Just with a single google search you'll find water grants to install wells. It not that expensive and you won't have to depend on city water. The water company is probably under the control of developers who want the residents to abandon the land so they can develop it. We've had a well for 30 years.
Thank you very much for this video! I’ve always wondered about the practical challenges of desalination, both because I think they that if we can overcome them they will save many lives and also because I’m a nerd and that’s how my brain works :P This perfectly explained that, and you did such a good job doing so 👍
I wonder if anyone has implemented a Tesla valve as a fish ladder. With the Js slowing down the downstream flow, each hook helps the fish swim upstream. I think you could make it large scale, with deep channels to handle different lake levels. If not, why not…? 🤷♂️ maybe 2-3 hooks per pool transition…
It's a real shame that it collapsed. What's to stop them building 3 new towers at 60 degrees to the exist ones and re-cabling it?
had to stop viewing as the topic needed more explanation but the experiments were great
I don’t know why KZread shows me this video. But it was insane and interesting content! Thanx for this!
Dislike due to Pepsi ad, otherwise ok
I enjoy your videos. Thanks
I have seen a few small towns with 2 water towers who took the opportunity to have some fun by labelling them HOT and COLD.
Love your stuff when I watch, but you seriously need to look into your sponsors. Hello Fresh has had numerous employees speak out about the poor working conditions and plantation like practices at Hello Fresh. I have yet to hear about their subsidiaries like Factor, but wouldn't take a sponsorship from them either. Please do better promoting good companies.
fish elevators are easy just use one block of soulsand duuuuh
And I always thought it was pressure plates and track sensors.
dfgdg
Could we? Fix the problem with a billion beavers?
First off, I love the content and learning about what makes our modern world tick. One big question though about inverter based resources: If the main struggle is that they're either on or off when trying to follow the grid, couldn't we tie them into flywheels to serve as both the inverter and frequency controller? For example, say we have a solar and wind farm set up to feed into an array of flywheels. Then, we can set the grid connection to only turn on when each individual flywheel is up to some speed range, and cut at above some over voltage value? They maintain some inertia during under voltage events then, and when an over outage event occurs they can dump energy from the extra that is generated into some power reservoir/battery for use later, for example black starts or for supplying additional power when in under voltage? If there's any problems with this idea I'd love to hear them or if that's how the grid setting sites you mentioned work I'd love it if you made a video talking about it!
I just understood WHY trains can't stop fast: there's just far too much inertia in something with dozens of cars of gravel to stop all that momentum quickly.
Ty for this
Boring
Yes it was a very naughty pad
Kudos for mentioning metric units for your brothers in Europe 🎉
we know how tunnels work, you go through them, der
Always interesting, thank you.
*This is a lie. the data shows fishladders work only 3% of the time.*
Isn’t Denmark 100% renewable energy already. Being the first or one of the first to be what Hawaii is trying to do?
you forgot to show a comparison of electric protection along with sacrificial metal
Thorium reactors Hawaii...
We know the real problem is racism. The state of MS refuses to fully fund Jacksonville sanitation and water systems. At the same time, they freely approve spending needed for a majority white area. This is corruption and racism all combined to disadvantage the majority black city of Jacksonville. It is sad and immoral.
So what you saying is day a few dozen well armed and committed men could severely cripple the USA for a few days by simultaneously attacking multiple transformer junctions like this one ?
this should be in all schools and all members of government should be forced to watch as well.
California Democrat Party stupidity is what happened.
Its usually rusty when you buy it lol
Desalination using concentrated solar is super simple. The biggest issue is the vast amounts of salt left over. Which is why an economy needs to be built around its alternate use (such as for sodium ion batteries and winter salt brine used on roads) as well as ships to take it out to sea while remixing it with sea water to dilute it down to safe levels for the ecosystem. All of it can be paid by the consumer because the power being used is free once built, so the water cost would eventually be less than current prices. The sale of the salt for other uses would pay for the remainder of the costs. Which is why creating that sodium economy is so important.
17:13 that 1gw hvdc interconnect is the second of 3 . The first 2gw cable was powered up in the mid 1980s. With other cables to Belgium, Norway, Holland and Denmark totaling over 8gw of transfer capacity. The one hour time difference between GMT and CET makes the cable very profitable.
Because it’s metal
Well done!!
What a brilliant analysis and explanation of this perplexing issue. When somebody produces a cost effective solution to this there will be an explosion of solar power production.
Thanks for all your information. I have an Orbit irrigation system that works with selenoid valves that create a hammering noise as it turns on and off. I tried with a hammer arrest cylinder but did not solve the problem. The only thing is that I had to install it horizontally (not vertically as yours in the video). Does this make it not work properly?
it is time to conserve water....there are many ways...if one is aware they can use the same water three times...wash yourself.....bird bath.....rinse out clothing.....flush a toilet....
It started off with Hawaii’s grid, and ended with a subjective piece on DC inverters and PV systems. So… what’s the purpose of this video? And also, what you’re saying is debatable. Inverters are not “dumb”, and there are various manufacturers and types with various means of communication methods and monitoring systems. Furthermore home meters can actually measure the flow of electricity of a residential system and therefore accurately calculate the levels of electricity going in and out of the grid at that point of interconnection. 99% of the time, if not 99.99% of the time, residential and commercial grade solar system aren’t large enough to have that sincere of an impact on the whole grid itself to cause power “frequency” issues. This is just biased and untrue. If we are referring to utility built industrial grade solar systems, this might be of a different nature, but that’s why grids are often powered by various sources, with PV systems only representing a small portion. Furthermore you’re missing an important part on storage systems, and the balance of power distribution and availability based on storage and PV combined applications and system. This is more of a propaganda piece than it is educational. Also in regards to frequency, you should use a different word, when speaking of electrical theory, and electricity in general, frequency generally refers to the sine wave fluctuations, measured in hertz, of the current passing through a conductor. This has a different effect, and when speaking of frequency, you can confuse the people who are actually in the industry who are electricians and engineers who consider frequency of a different type than actual consistency of power availability. Based off this video, it is arguable this is a lobbying tactic, or you are just uneducated on the matter which you are speaking of. Not to say you are unintelligent, your other videos are great. But you are wrong on this one, sorry.
All good and interesting stuff!
I am a train lover from India over here we use Caboose at the end of the freight car plus we do not see mixed train often.
Well if there is a complete grid collapse all those nuclear power plants will start melting down within a week and nothing won't really matter for too long lol