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  • Users: adriansg95
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  1. adriansg95

    Rotating cylinder heat transfer

    Hi, I'm studying the heat transfer from a rotating cylinder to static air. I use a correlation valid for Re up to 40,000 I also use CFD simulations in Fluent, but the values I get by this way are about half the ones I get with the correlation The correlation is very simple: Nu=0.318*Re^0.571...
  2. adriansg95

    Diameter of tubes - Heat exchange

    Hi, my name is Adrian and I'm new to this. I have to design a 8KW water-air heat exchanger with tubes and I don't know what diameter to use. It affects to the velocity of the fluid and thus to the inner ht coef, but I'm afraid to choose a diameter too big and maybe the contact between water and...

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