Heat engines Definition and 52 Threads

  1. A

    Optimizing Heat Engines: Finding the Temperature of the Hot Reservoir

    A 20% efficient real engine is used to speed up a train from rest to 5 m/s. It is known that an ideal (Carnot) engine using the same cold and hot reservoirs would accelerate the same train from rest to a speed of 6.5 m/s using the same amount of fuel. The engines use air at 300 K as a cold...
  2. U

    Can You Explain How Heat Engines Work?

    Can someone explain to me how Heat engines work?