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I am using NASA CEA program for a study project. I have read the CEA Nasa user's manual over and over, yet I haven't found an answer to my question which is :

where can I found in the output of NASA CEA the energy released during a combustion in a rocket problem ?

For instance, using CEA I have simulated the following problem :

  • Rocket problem with infinite area-combustor and assuming equilibrium in the combustion chamber
  • pressure chamber at 1 bar
  • combustion of H2 with O2

And in the output I have these data, but I am not sure where or how I can find the energy released by the combustion of H2 and O2 : Is it the yellow-highlighted one ? Or is it the red-circled one ? Or it's not given, I have to calculate using the output data ?

Thank you

output data

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  • $\begingroup$ A little subtraction should do the trick. $\endgroup$
    – Mithoron
    Commented Dec 12, 2020 at 16:37
  • $\begingroup$ Do you mean subtracting Hthroat - Hchamber = - 1293.48 - 6.6529 ? I thought that formation enthalpies should be involved somehow $\endgroup$
    – Jonses
    Commented Dec 13, 2020 at 17:04

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