q 2.312 m3/s 4.90E+03 CFMSpeed 1450 rpmStatic pressure 120 pa 0.547263

159505.2 rpm specific speed

omega 151.8436 rad/s

20.3 rad/s Specific speedratio 0.2ratio 2 0.76

0.48Wt or b2 0.096

0.3648

0.150596u2 36.44247u1 27.69628beta1 25 deg <30 & >10 degbeta2 46.5 deg <50 & >35 degrelative Vr1 30.55946

12.914990.156203 < 0.16124215.97076

Vw2 21.26839no:of Blades 19power 775 watts density of airpower to fluid 277 wattspower required 1387.2 watts Assuming a static efficiency of 20%

Specific speed Calculation from Bleier

in of water coloumSp

nsWt/DtDh/Dt

Dt or D2 mm

Dh or D1 m

Prcoefficient unitlesssm/sm/s

m/smaridonial Vm1 or V1 m/sWh or b1 m mmaridonial Vm2 m/s

m/s

###

SpecificationD1 360 mmD2 500 mmb1 160.0 mmb2 100 mm

beta 1 25 deg blade angle angle between relative velocity and tangential velocitybeta 2 47 deg

Power Predicted 775 WPower based on static pressure rise 1387 W Based on equation for static power induced ESDU 79037

Power Based on ESDU Graph 1800 Wvanes 12

1

m/s

kg/m^3

b2b1

D1

D2

b2b1

D1

D2

blade angle angle between relative velocity and tangential velocity

Based on equation for static power induced ESDU 79037

b2b1

D1

D2

b2b1

D1

D2