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resistance in fan duct

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Old   July 13, 2014, 12:54
Default resistance in fan duct
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hashim chaudhry
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hello everyone , can anyone tell me how can I put resistance in the downstream of the fan duct in order to calculate the pressure rise across the fan. My objective is to get the fan performance curve if is there any other way then kindly let me know. I am working with extruded duct across the fan with mass flow inlet, pressure outlet and giving fixed rotational speed to the rotating region(fan)
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Old   June 30, 2015, 06:11
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On the same problem at present. Did you find a solution after?
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Old   June 30, 2015, 09:04
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hashim
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yes, I use inlet vent BC at the end of the outlet duct which was acting as a resistance by applying the loss coefficient values.

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Old   July 9, 2015, 04:08
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Hashim, I ended up doing something similar. Have a 0 total pressure inlet and a X static pressure outlet. Cheers, John
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