Breakthrough HEAT Engine Is GAME-CHANGING!
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- Опубликовано: 5 фев 2025
- Karno has revealed a linear piston manufactured heat engine which has relatively high power to weight ratios. Will this displace combustion engines or is there a tradeoff to the Stirling cycle?
Sources & Credits:
/ @hyliion
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As soon as saw the intro I thought "That's a Stirling engine type.
I saved a NASA design from 1983 like this.
I thought it was a Stirling Free piston engine.
@@nilo9456
Hiliion goes out of their way to never call Karno a Sterling engine. It does seem to have most of the attributes of a Sterling engine but not exactly like the traditional types. I think it is close enough but others will say no.
Hi mate. I actually love your content but think for your sake you should change tack a bit. When I originally saw your channel in my suggestions, I thought it was another sham channel immediately because the channel name is basically screaming "I'm AI garbage". Digital engine sounds like a clever name for a content farm.
The titles also need to be tamed down. You're trying to bring views but it's doing the opposite, no more "game changers" etc etc. No serious engineering channel does this and you're too intelligent to waste your talent on becoming "one of them". I and any other serious engineers and scientists would block this channel out of principle.
I watched anyway thankfully and was very impressed. I don't think you're getting the love you deserve for your effort and am trying to help here mate. Merry xmas to ya buddy.
RUclips has entered into an age in which we viewers need to look past the "click-baiting the phucque out of things" in order to find something of merit. Sadly, that leaves us clicking on click-bait titles and thumbnails in the mere hope of finding something worth our time. I'm tired of titles ending in question marks, question marks and exclamation points, and ellipses. It's a title -- tell us what the video is about and be concise. If I want a bunch of hype, I'll deliberately watch some commercials.
The above bah humbug aside, Happy Holidays to you and yours. (No, wait, make that "Holidaze". A little existential angst in the well wishing will certainly get my comment more thumbs-up -- got to chase those metrics. >:-)
Agreed. New subscriber. Great video but I almost passed it by. Was glad to see the number of subscribers and views so that's why I decided to watch. Let the non-dorks click their click bait videos. Us actual nerds are just looking for science
@@wargamingrefugee9065 the issue comes from the consumer. I paid for a science animation video to be made by a company called SciAni and they explicitly told me to make the title that asks a question. When the companies helping people get scientific content out to social media say this method works best it is difficult to go against the advice when you pay a substantial amount of money for it.
Yup missed it for a while because it looks like click bait trash,
You could place the engine from the front to the rear. You do not need the engine bay anymore so it could be a radical different type of car-body design. For instance wider and shorter, or more narrow but higher.
Great review of these engine types. You hit a lot of the major players and additive manufacturing issues. The Karno design from Hyliion was bought from GE. Originally it was planned to ULTIMATELY be used in a semi truck but once the company built some prototype trucks with the Karno and traditional ICEs, they decided to drop the TRUCK projects probably because of the high cost to manufacture a complete truck. I always felt that the Karno’s power to size / weight ratio was unfavorable for a truck. Also scaling up the power output and manufacturing larger versions is somewhat problematic (both from a thermodynamic & an additive manufacturing standpoint). It is possible to get higher thermal efficiency with existing ICEs (55% vs Karno’s ~50%) with a bottoming cycle also. Hyliion is now pushing it as a stationary generator (oil field gas that is normally flared). Maybe the biggest selling point is potential low maintenance due to its helium gas bearing (the working fluid).
An interesting concept to add more efficiency to various types of engines is to have a topping / pre cycle (name?) of a high temperature fuel cell.
Also a way to employ high compression with a gaseous fuel like methane (low reactivity) is to use a highly reactive pilot fuel like diesel. This concept is being used in various ICEs (trucks and marine).
Keep up the great work.
Thanks, I appreciate the background info you provided!
I think pushing the boundaries of tech and practicality are how solutions are identified, whether those solutions are more conventional or more extreme, and "failed" tech often still gives us ideas for the future
2:00 its not Nitrous oxide(N2O) that's the issue. Its oxides of nitrogen(NOx) that are the things produced by high temps in engines. Everyone gets this wrong including wikipedia.
Stirling 'hot air' engines have been around since 1816...they pre-date many steam engine designs.
The 'down-side' to Stirlings is they get their best performance only at certain speeds.
For a generator, they are about perfect.
NASA has flown them to space on more than one occasion.
Before this generation used "Epic" for every new idea.....now it is " Game Changing" over & over & over being "over" used. YAW !
Look even this and most other things game changing actually are because you can combine one aspect of a concept with another like the combustion power of a fuel that actuates a piston to make static electricity like a generator but instead of generating use the energy to drive a gear or a chain or a belt and make a somewhat hybrid vehicle.ie all ideas and concepts are good cause they can be interchangeable and could advance other areas think uncle iroh from avatar explaining balance in knowledge like taking some aspects of water and earth bending and applying it to his fire bending.
In German advertising for washing powder, there was a verbal arms race in the 90s. First the product gained an "extra" then "mega", "ultra" and maybe some more superlative.
If you need to present something mundane as surpassing something else mundane you need to give it an attribute that shows how much greater yours is, which others will do in turn to their whatever-it-is. None of it changes the game, all of it makes you go "uh, maybe this time, it will?"
And then it will be something else and then something else. Like yeah that’s the way language works.
@@nobodyinnoutdoors hehehe nice
@2:12 It's wafting electrons. They need to wrap some electrical tape around it.
You always have the mostest under the radar cool tech. Merry Christmas.
This is very interesting. But, reducing nitrogen output isn’t something to worry about.
This is an German thing. We used it for making compressed air for torpedoes insted of making electricity same working principles. Remember there was a ww2 German stamp on it. Working great.
Es la mejor idea del mundo 😊
Seems like a good idea for the future of cargo shipping
Very interesting! And exciting to see some progress on this design. However probably still too heavy for OpenAirShips.
Durability. Serviceability. Environmentally sustainability. If it’s a good package it will happen.
They misspelled it - it's not Karno ... it's Carnot!
So is this the tech channel or motor & engine channel?
that motion.
almost looks like an elevator shaft! 🤔
It will never compete with the 4 -stroke heat engine.
Dude,your videos are good enough to stand on their own merits.Don't cheapen your product with third rate shopping channel marketing tricks like BS attention-grabbing titles.
Game changing? If the average RUclipsr got the idea behind the story Cry Wolf,THAT would be game changing.
HCCI is not new or any advances. Several years ago when average gas price rose from 50/barrel to 140/barrel, In our country, we used compressed natural gas in our diesel engine. By mixing the gas with flow air during going in intake port before enter combustion chamber. Easy just that. The result was less diesel consume and more clean exhaust. But overall aims that met is saving your fuel cost. Later, this norm was gradually disappeared from oil price reduction. So, this HCCI will never be the future on conventional engine for sure.
now use hydrogen in it -also, give it an axis so it can be cyclical and work without the second chamber (it would also have a greater theoretical expansion limit and could be continuous)
rotaries could prolly be improved by simply changing the rotor to smth that looks like a high efficiency turbine
They've already run Hydrogen in it... in fact, they've run 21 different fuels in it, from Hydrogen to Ammonia.
@@williamsteele awesome
Is there a browser extension that automatically hides videos with "game changer" or "shocks" in the title?
or "finally"... there's never anything final in them
I am working on one. that will hide videos based on the word you mentioned
learned about free piston engines in HS in the 60s.
What kind of converter Cadillac converter ain't no wonder everybody steals them! I'm just joshing with you! 😂
Ce moteur semblerait pouvoir être perfectible pour diverses raisons, mais c'est mon avis
Marry the reactor with the Rondo heat battery...
very good info
FUCK! I just saw another invention of mine being invented by someone else before being able to patent it.
You lose all the momentum when the piston changes direction. Turbine generators are mechanically superior for generators.
The Karno is more efficient than a simple cycle turbine (not by much if compared to the best turbines, but definitely more efficient in its power range compared to a small gas turbine).
"*possibly* game changing" - thumb down. next vid.
They should all just go to Giant Rubber Band Motors for everything. And instead of UBI Pay everyone who A.I. takes their Jobs from to Wind Up the Motor everyday when it runs down. That's the K.I.S.S. Principle.
Thermophotovoltaics is the future.
Why is heat in all caps?? That way it would signify an acronym. And there HEAT stands for „high explosive anti tank“ which is defenetely not correct here.
Reward this channel people, so many "tech update" channels are basically AI-generated slide shows.
Das ist nicht neu: "Brandl-Motor" vor 20 Jahren
Cadillac Converter? Try catalytic converter.
Albert Harvey Rotary Engines
That's insane
Dosen't work to many frictions
i would say the lower than desired output capacity would be worth it. depending on maintance. if there are fewer seals, bearings to degrade and no oil to maintain/change. than yea. it would be worth for small community power production.
According to Hyliion the Karno has very low maintenance due to the moving cylinder being sealed and uses a helium gas bearing. That is what THEY SAY 🤔
why not call it what it is; a Sterling Engine
🔥🔥🔥🔥
I've got to ask this question but why bother with this when we are trying to move away from carbon emitting power sources ? sorry! I had to ask
It can run on Hydrogen just the same.
@@williamsteele but with minimal improvements and
I think for range extenders price, size and weight are the important factors. It can be low power relatively high emission and not very efficient. After all it will only run in a fraction of the time. I think warious kinds of turbines, even steam turbines should be re examined! Since neither start up time nor output variability are a concern.
Stirling engines may be failing again do to size and weight considerations. They would be better choice if the car would be mainly operated on fuel, and the battery was only to buffer the power need.
HEAT Motor...
High Explosive Anti Tank Engine?
I still think an opposing, 3 cylinder (6 piston) engine is the way to go. That combined with a CVT gearbox which has a single mechanical gear for highway driving. All that turning the front wheels. The rear wheels are powered by one (or two) electric motors with a 20 to 30 Kw battery. The battery can be cheaply charged overnight at home and also 'on the go' when the single gear is engaged for long distance, high speed highway travel...
Do you think an hcci linear generator could be coupled with one of these? The idea would be the hot exhaust gas would power the Sterling engine side.
A cadillac converter yu saisd...
Normally, they make pistons flat-surfaced because of friction. but the piston in the middle does not require that to produce electricity.
So I wonder why they did not consider spiral movement to increase length of piston movement. It could improve the count of magnetic pulses.
most cars longer than 4 meters. I think this generator can be put in the bottom middle of the car between 2 battery packs.
If they can develop something smaller than 4 meters, it might work.
this could be great application for cars because cold effects battery packs very bad. but this engine works with magnetic field so it become more efficent in cold temperatures.
so disavantages come from temperature will calcel out when they used together. it is also means complete system will never be efficent %100 for their own standards but that is not the goal
"So I wonder why they did not consider spiral movement to increase length of piston movement." Actually, they 100% considered it... but in order to do that effectively you need to know the rotational position of the piston... and getting a set of sensors and mechanical systems to maintain that rotary position is a challenge that had no real benefit. In fact, just sensing the position of the pistons is a real challenge that they had to overcome and still allow the piston to rotate freely. Lots of brainpower was used to tackle that problem. Remember, that's a sealed system... there are no electronics or anything inside that chamber... and the temperature swings that system endures (2500F+ to 100F, 20 times a second) can really kill a system very rapidly.
Very low efficiency and very high volume of energy to produce some kw. Think better ,design better.
It's just another type of combustion engine, and so a dead-end. We need better & cheaper batteries ASAP.
Before, i even watch. Is a HEAT engine it is 90% INEFFICIENT you have to put 90% in to get even 50% USEFUL energy out. Why do you THINK you cars ENGINE is SO BIG and the explosion is so HOT. You have to use 90% of the engine to control the HEAT from melting the damn think.
They say it is ~ 50% thermally efficient which is similar to a number of ICEs.
Es el generador luneal de Tesla que provocaba terremotos
Two engines I can name that are not actually heat engines are electric motors and molecular motors.
Electric “MOTOR”! Too bad the motor terminology got applied to ICEs.
Over engineered Stirling engine
hahaha nice try that's just 8 Dysons glued together you can find those cheap
All engines are heat engines.
Old tech shelved.more to come.
lol
- слабо ти је то
- има већ
_Breakthrough HEAT Engine Is GAME-CHANGING!_
- и много много и боље али и ради
_Slavonac izumio stroj za besplatno grijanje_
- индукција
//нема мудровања ништа се не троши не гори
- само мотор који окреће магнете
//али ваљда тако
LCOE will not compete with solar/wind/battery
Brace yourself the s*** talking comments are coming
Turbine is better
The Karno is more thermally efficient than a turbine in that low power output range. Also it is probably cheaper to build than a comparable power level turbine and probably has lower maintenance requirements. Hyliion “says” that it can “easily” run on a lot of different fuels. The irony is that it was GE turbine people that designed it (specifically GE Additive Manufacturing group that are involved with turbine combustors).
True, but I think the advantage of this is efficiency at a lower power-to-weight ratio. Turbines have great power-to-weight but usually aren't that efficient. Something like this would be useful for generating electricity in a remote area where the transportation of fuel is a bigger burden than the extra weight of the engine.
@@ryelor123 We must find more efficient turbine technologies. In addition, piston systems will no longer be produced due to NOx levels.
→ Rye
That is kinda Hyliion’s latest business model and also burning natural gas that would be normally flared. They also suggest that EV trucks can be “charged” with it using natural gas (because utilities are slow to provide electrical hookups according to Hyliion).
Also turbines have the same problems as ICEs for NOx creation.
😂😂😂cela n'a absolument aucun sens...... vive youtube😂😂😂😂40% de rendement pour 15cv.....
C'est pire qu'un diesel 😂😂😂😂