@GaryBickford
A related technology was used back in the 1950s in research for the Atomic Airplane. A nuclear reactor can heat the air coming through a turbine to produce thrust. This just replaced the combustion of fuel as the heat source. Also, several rocket engine concepts use microwave plasma as the basis of producing thrust exactly like this, for interplanetary transfer.
@scrapman502
Not practical for Jets on Earth, but very practical for Space Travel. The constant push, no matter how small or little with no resistance will add up and eventually accelerate the object to near speed of light.
@WrinkleRelease
I’m confused. You start the video by saying scientists have made an electric jet engine (and show a video of what, I assume, is that same engine. Yet, you end the video saying the method doesn’t produce enough thrust to power a jet. So, which is it?
@Deepthought-42
Microwaves expanding air has been known about for some time. Can’t remember where I read it but it is why bats can “hear” some microwaves which of couse have frequencies far too high to hear. The bats are aware of the modulations in the microwaves that cause by localised heating of the air.
@chandanchinnu5860
Sir, they are attacking us we need to take off right now!!!!! Wait, lemme charge my jet 😂😂😂
@JustAnotherSeeker
Old news——first time I’ve seen video of it though 😂 thank you.
@MuidIslamSifat
I have thought it many times but I couldn't reach any conclusion and now I am happy that scientist are continue researching about that 😅
@lbochtler
Basically just a micro version of a vasimir engine, but with less thrust. By the logic in the video, an arc jet with a axial compressor feeding it, is a fully electric jet engine.
@Kirillissimus
There is a much more important issue than the limited thrust due to low medium density and it is energy density. The amount of potential heat per mass unit of kerosine is more tgan 10 times higher than even the best batteries. Even fuel cells do not help and why even bother with them if in a jet you just turn the power into heat anyway. It means that a kerosine powered plane is guaranteed to be lighter, more powerful and more agile while having a better payload capacity than a similarly sized electric one while being more reliable and having lower maintenance cost. It is an interesting concept and it can be used for some tests but don't expect to see it in a normal plane.
@davidchavez81
you can literally put a grape in a microwave and get "microwave induced plasma"
@ball_of_wires
We couldn't have the technology we use today without the early technology of the past. We will get there.
@54m0h7
Pretty cool. I wonder if they combine it with the ramp-jet technology if it might work better.
@A-T-M-
Essentially, a Carnot engine driven not by a temperature difference but by a pressure difference.
@robertrocheville7769
Most key engines are big fans and use that as the main source of propulsion. The burning of fuel does add to it but also supplies energy to run the fan and and accessories. A plasma jet would be interesting but the energy density of the various jet fuels is super high
@charlesmyers9765
A turbine engine only burns a portion of the intake air in the combustor, the rest is there to absorb heat, expand, and excellerate. The plasma idea is great if it can be used to heat the surplus air.
@boristheengineer5160
Seems to be describing an ICP torch (Inductively coupled plasma) which seemed to be a big thing in the early 1990s.
@HjarX
Your shirts are really cool, i personally love the one with the bicycle 😊
@fatitankeris6327
A reactive engine always has a reactive propellant, often fluid, just not always on board or not always one that generates thrust from its own exothermic reactions. If it's taken from the atmosphere, then reacting with another combustible propellant and, through heat expansion, shot from a nozzle, then you get a turbofan reactive engine like that on most commercial airliner planes. You can propell an atmosphere sourced propellant with electric current through it and an electric field on electrodes resulting in an ion wind engine without moving parts. You can conduct an electric current through a propellant and propell it with a magnetic field too, which is a magnetohydrodynamic drive, also without moving parts, often using conductive water solutions as reactive propellant. Of course the most famous are isolated reactive drives that can work in vacuum by using limited on-board propellant, propelled either by its own exothermic reactions (combustion) — rocket engines, or by electric fields on charged propellant, just like in the ionic wind engine, just with its own gas instead of atmospheric — the ion engine.
@acompletelynormalhuman6392
I've never heard of this being used in atmosphere but it is basically how an electrojet works in space propulsion. ironically for it's purpose an electrojet has a lot of thrust compared to other engines with the same purpose like an ion engine granted the have like one nuton of thrust but that builds up in a frictionless vacuum
@petesharpe5478