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-   -   volume flow prediction in a fan (http://www.cfd-online.com/Forums/fluent/62700-volume-flow-prediction-fan.html)

yochule March 17, 2009 11:05

volume flow prediction in a fan
 
hello, im tryng to predict the volume (or mass) flow through a duct with a rotor and stator stage. I have pre designed the geometry of the rotor and stator of the fan. the question is: can i predict the flow rate if i have only the geometry, the rpm (angular velocity)? i fixed the 1 atm and 20C at inlet. but i dont know what is the pressure gradient or the flow rate. and more important to me is that i dont know the mass flow that i would have with this geometry configuration. can you help me?

--hola, el problema es que no tengo el caudal o el gradiente de presion a priori y quisiera ver la posiblidad de tener una estimacion de caudal para una geometria (angulos de asiento, cuerdas, perfiles, etc..) y unas rpm determinadas. es posible? solo puedo estimar q la presion a la entrada es la atmosferica y a una temp de alrededor de 20C y q la salida tambien va a ser a presion atmosferica.
saludos

king regards


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