Heat exchanger efficiency – Asimptote

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This topic has 3 replies, 3 voices, and was last updated 7 months ago by sreekanth.manavalla.

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- September 11, 2023 at 12:02 am #4385
  
  Abdenour ELIAS
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  How to specify heat exchanger efficiency in Cycle Tempo.
  how to specify the efficiency in the case of evaporator/ condenser.
- September 11, 2023 at 5:11 pm #4390
  
  sreekanth.manavalla
  Participant
  
  You may be implying heat exchanger effectiveness (=actual heat transferred/maximum heat transfer possible)?
  As far as I know, there is no way to specify that parameter in Cycle-Tempo. One should compute the exit temperature manually using the effectiveness and input it as TOUT or whichever temperature is not known.
  In Boiler component (evaporator), we can specify the boiler efficiency.
  In Condenser, again, like in heat exchanger, it is not possible to specify the effectiveness.
- September 27, 2023 at 8:54 pm #4463
  
  henrique.fragoso da silva
  Participant
  
  Hi! Good question…
  So, what is the objective of the ETHA parameter in heat exchanger in Cycle-Tempo?
  Thanks!
  - September 29, 2023 at 5:46 am #4471
    
    sreekanth.manavalla
    Participant
    
    ETHA is an input for off-design performance of heat exchanger. No description about ETHA is found in the literature.
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