I would like to ask everyone how to calculate the temperature rise of air passing through a centrifugal fan?
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A centrifugal fan is used to supply air to the condenser; it has now been observed that the fan generates heat during operation. It’s not clear whether it’s possible to determine by how much the temperature of the gas rises after passing through the fan Are there any theories that can be used as a reference in this regard? Everyone is welcome to discuss it
The fan parameters determine the allowable temperature rise at the outlet
It can be calculated simply based on the inlet temperature, inlet and outlet pressures, and the polytropic factor. Tout = Tin * (Pout/Pin)^((n-1)/n), with temperature in Rankine and pressure in Pa
What parameters are needed? What is the calculation formula?
Please give me a specific formula. I need it urgently
You can estimate that for a pressure increase of 10 kPa, the temperature increase can be estimated at 8.5 degrees
Check my reply below; you can estimate now
The leader asked me to do a theoretical calculation
t=P*n(safety factor)/Cp*p(density)*n1(total pressure efficiency)*n2(motor efficiency)
Thank you so much! What is the name of this formula? If it has a name, I can look it up by myself; otherwise, I don’t know how to determine the value of the safety factor used in it