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Heat Transfer Help

  • 12-03-2012 11:09PM
    #1
    Closed Accounts Posts: 1


    Hi all,

    Unfortunately the engineer in work is away on holidays and for some reason my boss has turned to me to work out the heat transfer from a hot source (a pipe) to a cold source (a flat plate), more details of the set-up below. Could anyone point me in the right direction, explain to me how to do it and most importantly what equations I need to use.

    The set-up is as follows:

    We have an electric heater heating up a fluid in a pipe which is flowing to a condenser attached to a flat plate. The plate is starting out as a cold source and we are hoping to heat it up. I am assuming that the the pipe is insulated from the heater to the condenser.

    How do I work out the heat transfer from the pipe to the condenser / plate and what equations do I use?

    I know the following information (and can probably find out anything else I may need but don't have):
    1. power provided to the heater
    2. temperature of the fluid in the pipe at the heater, inlet and outlet of the condenser
    3. Properties of fluid within the pipe (do I need to know the flow rate? I can find it out if I need to).
    4. Material / properties of the pipe
    5. Material / properties of the condenser
    6. Material / properties of the plate

    I am also wondering what effect air flow will have over the flat plate.

    Thanks for any help anyone can give me in advance.

    Marc


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