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Homework Help: An engine term of charge

  1. Dec 13, 2013 #1
    1. The problem statement, all variables and given/known data
    combustion adds 1200kj/kg to the charge.
    what is the meaning of " charge" here.
    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Dec 13, 2013 #2

    SteamKing

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    'Charge', especially w.r.t. reciprocating engines, usually means the mixture of fuel and oxidizer admitted to the cylinder for combustion. Can you be more specific about what context you found this phrase?
     
  4. Dec 17, 2013 #3

    I found this phrase from an introductory thermodynamics book,on the chapter about diesel and
    otto cycles.
     
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