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  1. kfoh

    Heat Transfer calculation problem with overall heat transfer coefficient

    Dear all, I just found that I made a horrible mistake in my calcualion for a phase chaning heat exchanger desing. For the design i wanted to include the change in physical properties, for which I decided to create the heat exchanger in a discretized manner. I did this and calculated the heat...
  2. kfoh

    Confusion about hydraulic diameter

    Hi all, I currently design a multitube heat exchanger. In this heat exchanger multiple tubes are put in parallel, while the flow goes in parallel, so not with baffels for cross flow (due to very stringent pressure drop reqs). The tubes will be longitudinally finned. I currently struggle a bit...
  3. kfoh

    Analytical determination of two phase boiling heat transfer coefficient in pipes

    Hello all, For the design of a parametric heat exchanger program I need to determine the above mentioned two phase boiling heat transfer coefficient. Since the design tool shall be kept reasonalbly small in size, semi empirical correlations should be used. I however struggle to find a...

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