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duct design | |||
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Posted by: constrictor ® 10/12/2004, 19:32:27 Author Profile Mail author Edit |
hello there, im new to this forum. I would like to ask anyone who has the knowledge in duct design. Here are some of my questions. 1) how do you compute static pressure? 2) how do you compute the losses of air volume on a duct run? 3) Do you know any site which teaches you techniques for a good duct design? Thanks guys! |
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Re: duct friction | |||
Re: duct design -- constrictor | Post Reply | Top of thread | Forum |
Posted by: vsenbe2000 ® 10/13/2004, 04:24:48 Author Profile Mail author Edit |
Duct Friction Calculation FormulaA duct friction - major loss - calculation formula of rectangular and circular ductsCircular DuctsMajor loss - friction - in circular ducts may be expressed as:
Rectangular DuctsFor rectangular ducts the diameter - d - may be calculated as:
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