Eli5: Why cant we use boyle’s law to extract energy from hot air

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Things i know:
1. boyle’s law vaguely as; as pressure rises so does temperature.

2.Peltier devices can extract electricity given a large enough temperature differential, are there devices that do this better?

3. Heat pumps can pull heat from cold air on one side and make hot air on the other side.

I know i am missing some major steps here and ifs something ive always wondered about…

In: Physics

6 Answers

Anonymous 0 Comments

The problem is, the amount of energy you would get from extracting the energy from the hot air would be less than it would take to run the heat pump to generate the hot air. Heat pumps use a ton of power to operate.

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