How John Ericsson Tried to Change Energy Forever The Caloric Engine Explained
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- เผยแพร่เมื่อ 24 ก.ย. 2024
- In the 19th century, John Ericsson believed he could revolutionize energy production with his innovative caloric engine. Unlike the steam engines of his time, Ericsson's engine used heated air instead of water, promising safer, more efficient power. But despite its potential, the caloric engine never took off. In this video, we explore how this forgotten invention worked, its ambitious applications, and why it failed to replace steam. Discover the story of a visionary invention that was just too far ahead of its time."
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phase change takes place in water molecules whereas air is a gas mixture that allows heat addition to water and rapid expansion compare compressing air seems intuitively lossy in addition to sealing again smaller individual molecules it can still win for sure by modern pneumatic principles and saving weight as well as the benefits discussed here
Very similar to the Stirling engine.
vastly superior. external heat exchangers mean you have TIME to heat air. are not limited by surface area versus volume considerations.
its also very popular today... its a piston based "jet engine", the exact same cycle of operation.. this video barely even hinted at the engine itself, or certain flaws. that it had valves. that it "pumped" air in surges rather than continuously using centrifugal or axial compressors.
the only good thing about this video is that it at least MENTIONED the concept. those that are curious might go do some research of their own. it didnt even have ONE IMAGE of the engine itself, or its close relative (even closer to the turbine engine...) the "cayley" or "furnace gas" engine. its issue was that the fire was under pressure, making it hard to add fuel, and the ash had to then pass through the engine... and the materials at the time meant the valves got absolutely destroyed on a regular basis.
it also led to the development of the diesel engine...
imho, its the direction we should be looking in if we want to progress with small scale "home power generating plants".
If it was practical and useful it would be more common
all talk, and not ONE diagram of the actual engine?
all fancy CGI renderings, and not ONE drawing taken from the patent, or historic documents. of which there are literally thousands.
glad that at least its gained some recognition, but how about actually delving into how its built and how it actually runs?
btw, the "cayley" engine or "furnace gas" engine is the same concept, except it has the fire under pressure... which caused serious issues with adding fuel, subsequent ash running through the engine itself, and the valves required. ericsson had the bright idea of using a heat exchanger instead.
the air was not recycled. the "cooling" of the air was due to the fact that ENERGY WAS BEING EXTRACTED to perform WORK, the same as in any other engine. and once it exited the engine, that was it. "open cycle" rather than "closed loop" like the stirling.
and of course, it is the predecessor to the well known and now ubiquitous "jet (or gas) turbine", operating on the same principle again, but in a continuous cycle without the need for valves.
this is the first video of the kind, I'm working on finding copyright -free images for the next one. Thankyou for the technical clarifications. Actually the video is intended to inspire further research and reflection and not to be technically exhaustive.