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Recent content by sanjig

  1. sanjig

    heat transfer coefficients when phase change

    Hi Guys, Let me explain in more detail what I need. Consider a automotive a/c system. One of the components is the evaporater ( a finned heatexchanger). The refregerant enters it as a mixture of cold liquid and cold vapor( mainly liquid though), and gains heat due to heat exchange with warm...
  2. sanjig

    heat transfer coefficients when phase change

    HI , Ok...so the basic equation was not correct. I should have said A( area) instead of Cp. But still does not answer question about HTC, when heat transfer results in only phase change...
  3. sanjig

    heat transfer coefficients when phase change

    HI, The basic equation for HTC is Q(w)=HTC*Cp*deltaT How does this equation relate, when there is a phase change of the fluid and there is heat transfer only due to this phase change, and no temp change of fluid occurs? thanks
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