Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Heat engine

  1. May 12, 2014 #1
    Reverse of a great engine is refrigerator or heat pump?
  2. jcsd
  3. May 12, 2014 #2


    User Avatar

    Staff: Mentor

    Both, I suppose. A refrigerator and a heat pump are the same thing. It's just that (in common usage anyway), with a heat pump you can change which side is hot and which side is cold.
    Last edited: May 12, 2014
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook