Carnot engine Definition and 103 Threads

Problem : Consider an engine in outer space which operates on the Carnot cycle. The only way in which heat can be transferred from the engine is by radiation. The rate at which heat is radiated is proportional to the fourth power of the absolute temperature and the area of the radiating...

This is just a common problem solving question, which I cannot make, I suspect because I'm bad at maths. Anyway, I want to see it done, hopefully to grasp it. I am doing physics, so, it's an exercise from one of my books. 18-11. Show that the efficiency e of a Carnot engine and the...

Hey everyone, I was sick when we started this unit. I've been trying to catch up, and need to ask a couple of broad questions. 1) What is a Carnot engine? Or the Carnot cycle? What is it used for ? Why do we can about perfect conditions?? 2) When people keep mentioning...