Thermo-acoustic tubes and a Hi-Res Ruben's tube

[TheBVOG]

Cool) It work with water too!

[TheHigherVoltage]

what are those tubes and screens made of?

[KevinByrne2]

The first device that was demonstrated, was a Rijke tube.

[flytape8490]

so far, this tube has the most consistent flame size across its length I've seen so far on youtube. Very well made.

[mcmals]

the thermo-acoustic tubes are really cool how exactly do they work?

[NotEnoughProductions]

just guessing but the heated plate is moving air up and out of the tube and the different lenght of the the tube being used the pitch changes. more and less room for air to move to create sound. If im wrong please some one tell me

[LizzyAston]

@mcmals that guy is right, but he should also mention that the flow of air outwards creates an area of lower pressure, forcing more air in from the bottom. this becomes exponential to an extent.