Recent content by evol1

  1. evol1

    Does a heat sink work equally well in both hot and cold environments?

    Yes this will work. It's common on the pipes within shell and tube heat exchangers (Trane chillers). Google image "tubes finned"
  2. evol1

    Mass v Weight, Earth Moon and Space.

    We all know the confusion between Mass and Weight, from the language barrier. Would I be correct to say that: On Earth Bathroom weigh scales = 100kg. Mass therefore is 100kg. Weight = 981N On the Moon Bathroom weigh scales = 16.7kg. Mass is still 100kg. Weight = 167N In Space, (away from any...
  3. evol1

    How do I calculate the heat transfer coefficient for pipe heat loss in Excel?

    Hi there, I am trying to make a spreadsheet which calculates the heat loss through a pipe and also heat loss when insulated, I am using the resistive analogy to calculate this and I have it working, the only problem I am having is the heat transfer coefficient, how do I calculate this? I...
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