Q.2. A catrifugal pump is operating at the rotation rate of 750 rpm. Water leaves the blade at 40° from the radial direction. Water enters to blade at 80° from tangential direction( off design condition). The inner and outher radius of the impeller is 12 cm and 18 cm respectivelly. The width of the impeller is 14 cm. Flow rate of the pump is 0.60 m³/s. a) Draw the velocity triangles at inlet and outlet of the blade. Determine; b) the blade angles, B1 and B2. c)Net head and power of the pump, d) Specific speed of the pump, choose the type of the pump ( radial-mixing and axial flow types) 1

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q.2. A catrifugal pump is operating at the rotation rate of 750 rpm. Water leaves the blade at
40° from the radial direction. Water enters to blade at 80° from tangential direction( off
design condition). The inner and outher
respectivelly. The width of the impeller is 14 cm. Flow rate of the pump is 0.60 m³/s.
a) Draw the velocity triangles at inlet and outlet of the blade.
Determine;
b) the blade angles, Bi and B2.
c)Net head and power of the pump,
d) Specific speed of the pump, choose the type of the pump ( radial-mixing and axial flow
types)
radius of the impeller is 12 cm and 18 cm
1
Transcribed Image Text:Q.2. A catrifugal pump is operating at the rotation rate of 750 rpm. Water leaves the blade at 40° from the radial direction. Water enters to blade at 80° from tangential direction( off design condition). The inner and outher respectivelly. The width of the impeller is 14 cm. Flow rate of the pump is 0.60 m³/s. a) Draw the velocity triangles at inlet and outlet of the blade. Determine; b) the blade angles, Bi and B2. c)Net head and power of the pump, d) Specific speed of the pump, choose the type of the pump ( radial-mixing and axial flow types) radius of the impeller is 12 cm and 18 cm 1
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