A Stirling engine is a heat engine that operates by cyclic compression and expansion of air or other gas (the working fluid) at different temperatures, such that there is a net conversion of heat energy to mechanical work.
Teacher can make the explaining process much straightforward and students can better understand its principle.
Run freely on the top of a cup of hot water, no need to fire a alcohol lamp,safer for children.
Start temperature difference between the product bottom contact and circumstance should be greater than 25℃.
Gently flip the wheel, then it can run itself.
