4 ms·
Peltier elements have a efficiency of about 30% of converting temperature differences back to electricity. So if a heat pump pumps 5 times of the energy it need
by blueflow 4y ago
Peltier elements have a efficiency of about 30% of converting temperature differences back to electricity. So if a heat pump pumps 5 times of the energy it needs around, you only need 20% of that converted back to electricity for it to be a self-sustainable perpetuum mobile. Of course this is impossible, but where is the error?
- ragebol 4y agoA heat pump takes heat produced elsewhere (eg in air outside). If that stops or it gets too cold, the heat pump stops working. It's not a perpetuum mobile because it needs an external energy source (eg. the sun to warm the air)
- MagnumOpus 4y agoI think Peltier modules or other thermo-electric generators only have <10% efficiency, not 30%.