Pumping Water Without Blades - Magnetic Pumps - Future of Propulsion?
Magneto-hydrodynamics- Check out Hoymiles for your Solar Micro-Inverters Today! geni.us/Inverters
Magnetic water pumps with no moving parts recently took the internet by storm with multi-million-view KZhead videos showing you how to build one at home. While most of those videos are fake, MHD isn’t. It’s a very real field of physics, and its applications are super surprising. So how do they work and what might they allow us to do? Let's figure this out together!
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We'll be talking about;
Magneticwater, Solid State propulsion, magnets, Magnetohydrodynamic, MHD pumps, electromagnets, magnetic propulsion, aerospace, aerospacecrafts, Plasmachannel, Concentrated thermal, Science News,
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LK99 is a bust now isn't it?
This was the technology used in the movie "The Hunt for Red October". You might be interested that a stream of water can be deflected by an electrostatic charge. I've often thought that this effect could be used to separate fresh water from salt water because only freshwater water molecules are attracted.
The CONDUCTIVITY of the fluid is crucial. While MHD is useful for some fluids like liquid metals or molten salts, even seawater is a bit sketchy. And you can pretty much forget using MHD pumps for salt-free freshwater.
I really hope you mention the fact that it only works if you have an ionic solution, and you need a LOT of dissolved ions to be able to make these even slightly efficient, even ocean water doesn't have enough to make this a very efficient pump.
Definitely interested in more MHD coverage. It’s a fascinating technology.
I've been fascinated with MHD since seeing The Hunt for Red October as a kid. I've seen action lab type experiments but no one ever went into depth about the shortcomings.
A variant that I've seen used in several applications is MHD flow-meters. Small isolated electrodes inside the pipe, surrounded by a strong electromagnet. As the fluid flows, the electrodes can measure the small voltage generated and signal the velocity of the fluid. Using very sensitive electronics that don't require a lot of current, it works with only weakly conductive fluids. Once you have velocity and known pipe size, the volumetric flow rate is easy to calculate.
The efficiency increase is very interesting. Further, the 'no moving parts' is intriguing. However, where pressure is high, the exit points of the fluid will eventually show wear and should for designed to ease maintenance and repair.
YES! Please do that in depth episode, would be fabulous...👍
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I'm thoroughly excited by all the possible applications of MHD you've talked about here. I look forward to seeing a future of looking up to see plasma powered aircraft exhaust overhead, like it's total sci-fi. I highly recommend the @PlasmaChannel video on designing and testing a table-top scale MHD water thruster!
Unfortunately, it appears the room temp superconductors looks like it is going to be a bust. The search continues though
"Red October" Anyone? Literally the fist thing I though of when I heard MHD. So Clancy got it right! ;-)
Was this the “silent drive” utilized by an advanced tech Soviet military submarine in that movie 🎥 THE HUNT FOR RED OCTOBER
MHD propulsion video - yes please! Gets my vote. Thanks for all your videos Ricky, you take complex tech and make it fun and easy. You are making a difference and many of us love you and your team for it.
I'd be quite interested in an MHD propulsion system overview
Thank you for tying the recent super conductor with MHD. I instantly wondered about the connection. Please keep exploring all the possibilities such break throughs offer. Mankind (and me) need the hope.
It also sounds like it moves the upper limit for speed. Just as ion thrusters could accelerate spacecrafts to really high velocities higher than conventional engines. Could a long enough magnetic pump increase a fluid to super high velocities? Could a long enough one create a negative pressure such would "stretch" a liquid into a gas?
Thank you for the video. I studied Physics as a major, and don't even hear of this phenomena before. Awesome!!!!