Stirling engine - electronic adjustment

With an electronic circuit and a laudspeaker this free piston Stirling engine is adjustable. It can work in very high frequency.

Category:

Science & Technology

Tags:

• Stirling
• electronic

[teddybear0504]

Is there any sensor to control the displacer position and to maintain the feedback loop?

[pali52]

@teddybear0504 No sensor, no fedback. Only the frequency of the displacer can be adjusted and the piston followes it.

[teddybear0504]

@pali52

So how an appropriate phase shift between the displacer and the power piston is managed?

[pali52]

@teddybear0504 You need a phase shift only, if the displacer rod and the piston rod connect to a common crankshaft. In this case the phase will be adjusted very accurately to the best position - you can understand it, if you think about the working theory of it.

[eloid777]

can u explain the circuit and what it doing

[pali52]

@eloid777 It's an astable multivibrator, which drives a loudspeaker, connected to the displacer

[teddybear0504]

@pali52

OK. But, as known, the best efficient for stirling engines is reached when the phase shift is approx 90 degrees between the displacer and the power piston.

[torcente]

brilliant! I like your work. how much power the speaker consumes? I like the stirling engine speed electrically controlled, I will work in this direction ..... hello and continue your work. p.s. you have other videos?

[Trublhappn]

What are sterling motors used for?

[electrique527]

Ah! :)

As always, when I have a good idea, I find someone on Youtube already built it!

Congratulations! Very nice!

Do you have a way to extract power already?

R.