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Recent content by thermodata

  1. thermodata

    convective heat transfer coefficient

    Sorry for not answering for a while, vacations..... Thanks a lot for your answers ! You really help me a lot with this ! Would it be right to say that a vertical cylinder will dissipate heat(convective) in the same manners(calculating) as a verticale plane surface ? Thermodata
  2. thermodata

    convective heat transfer coefficient

    Thanks very much 25362 ..... I like this more simplier approach. But I'm a little lost with the laminar and turbulent flow,here ! Do you mean I have to calculate both(laminar & turbulent) to obtain the final H coefficient I am looking for ? Thermodata
  3. thermodata

    convective heat transfer coefficient

    Thanks Ione, I knew it was not one unique number, and simple ..... What I am trying to acheive is to get one number for averaging different conditions.... - vertical and honrizontal piping - from 1 to 10 inches in diameter I rather be conservative a little then too much ! What will be the % of...
  4. thermodata

    convective heat transfer coefficient

    that is nice !... thanks to IRstuff for this fast response. It's my first time writting to a forum .... I'm impressed ! any other comments ? Thermodata
  5. thermodata

    convective heat transfer coefficient

    Hi, I've been reading through your forum a bit....maybe one of you can help me. I am trying to calculate the heat loss of a hot pipe in still air through radiation and convection. I don't have a problem with the radiation part, but I do have one with the convection part. What will be the...

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