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What are cyclic devices exactly?

  1. May 21, 2014 #1
    What are cyclic devices exactly? Are heat pumps and refrigerators both examples of cyclic devices? Also is a heat engine the same as a heat pump?
     
  2. jcsd
  3. May 21, 2014 #2
    A cyclic device is a device that operates by following some set cycle over and over again. Yes, heat pumps and refrigerators are cyclic devices.
     
  4. May 21, 2014 #3
    Thanks.

    Is a heat engine the same thing as a heat pump?

    Lastly, are engines cyclic devices?
     
  5. May 21, 2014 #4
    No, A heat pump is a refrigerator. It uses work to move heat. A heat engine uses heat to produce work. An engine is too broad a term to answer.
     
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