Semiopen impeller design
Semiopen impeller design
(OP)
I have semi open impeller to design, but i don't know how to calculate hydraulic flow losses. Need help. It's semiopen impeller with radial flow blade
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RE: Semiopen impeller design
RE: Semiopen impeller design
RE: Semiopen impeller design
RE: Semiopen impeller design
Q=335 US GPM=0.0211 m^3/s
n=2900 min^-1
ns=0.403
eff=73%
it is water pump
RE: Semiopen impeller design
We can do better than that!
I'll be back at you in about 24 hours.
RE: Semiopen impeller design
It also raises a good question, why are you trying to re-invent the wheel?
Naresuan University
Phitsanulok
Thailand
RE: Semiopen impeller design
RE: Semiopen impeller design
I sad that, this is pump for water beacuse simplicity of the calculations-i think that is easier to do with water than any other fluid.
RE: Semiopen impeller design
RE: Semiopen impeller design
Expected efficiency = .88
Power required = 16.84 hp
Beta 2 = beta 1= 35 degrees (Log spiral vane)
Number of vanes = 14
D2 = 8.046" b2 = .278" cm2 = 15.28 fps
D1 = 2.240" B1 = .998" cm1 = 19.87 fps
Eye = 1.75" diameter Cm eye = 44.69fps
Psi =.543 Phi =.150 Solidity = 2.58
Alpha2 = 15.45 degrees No other work on volute was done.
We do not know the details of the various losses.