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    Number of heat transfer (NTU)

    Hi, What does NTU indicate about a water cooing coil with fins? The higer the better? I am trying to figure how to calculate the NTU for two type of cooling coil with flat and corrgulated fins. what formula do I adopt? Please advice, on hand readings are on coil and off coil temp. (dry and wet...
  2. match

    Condensation of watercooling coils

    Hi, What is the differences between dropwise and film wise condensation at the fins of the cooling coil? How is the process different from reach others. which has a higher heat transfer? Any papers or articles on this two process? Your advices is much appreacited. Thanks
  3. match

    Psychrometric Chart (SI units)

    Hi, Do anyone of you have a sofware or excel table for Psychometric Chart. If can forward a copy to me?? Thanks tiongboon@jtc.gov.sg
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    flat fins plate cooling coil VS corrugated fins plate cooling coil

    Hi, I am doing a study on the above mentioned type coils. Can anyone help to explain thier heat transfer principles and which as a higer moisture removal rate, cooling air rate compare at the same velocity, cost, geomertic differences and etc. If you have any articles or website which I can...
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    Heat transfer coefficients for chilled water cooling coil for AHU

    Hi, Thanks for the advice, AHU = air handling unit. Is the title of the book "perry's handbook" or it has a proper title?
  6. match

    Heat transfer coefficients for chilled water cooling coil for AHU

    I would like know how to determine the heat transfer coefficients for the chilled water cooling coil for AHU. On hand I have some data such as: 1) the on coil and off coil temp. 2) the latent and sensible heat tranfer of the coil at different RH(%), chilled water flow rate and fan speed 3) the...
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