A slip factor calculation in centrifugal impellers based on linear ...

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Impellers with high blade load<strong>in</strong>g and splitters The rotor with splitters is divided <strong>in</strong>to sequence of rotors. Each rotor has the same number of blades at <strong>in</strong>let and exit. For high loaded rotors the load<strong>in</strong>g of each equivalent l<strong>in</strong>ear cascade must be less then maximal allowed. 12
Impellers with high blade load<strong>in</strong>g Rotor 1 and splitters Rotor 2 Calculate <strong>slip</strong> angle for each rotor. The <strong>slip</strong> angle of the rotor is a sum of the <strong>slip</strong> angles obta<strong>in</strong>ed for each row 13
Page 1 and 2: A slip fac
Page 3 and 4: Rotors with splitters or with high
Page 5 and 6: Slip flow in Centr
Page 7 and 8: ∆P ρ w 1 General Inviscid ∆P
Page 9 and 10: ( ) w / w ( w / w ) 2 2 ( ) = K cos
Page 11: W 1 K Calculation of the coefficien
Page 15 and 16: Maximal pressure gradient Analysis
Page 17 and 18: Results 510.6 165 60.05 0.612 1.0 1
Page 19 and 20: Measured and calculated sli
Page 21: Conclusions • Suggested method al

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