(a) Calculate the main dimensions of the rotor (radius, chord length, and operating rpm) of a multi blade (18 blades with solidity 0.5) wind machine operating at a design wind speed of 25 kmph. The blade length is 1 m. The machine operates a reciprocating water pump having capacity (flow rate) of 5.1 m³/h and a lift ( water head) of 9 m. The efficiency of the reciprocating water pump is 0.6 and the transmission efficiency from the rotor to the pump is 0.9. Assume water density to be 996 kg/m³. For this multi blade machine Cp,max=0.31 and TSR = 0.75.

(a) Calculate the main dimensions of the rotor (radius, chord length, and operating rpm) of a multi blade (18 blades with solidity 0.5) wind machine operating at a design wind speed of 25 kmph. The blade length is 1 m. The machine operates a reciprocating water pump having capacity (flow rate) of 5.1 m³/h and a lift ( water head) of 9 m. The efficiency of the reciprocating water pump is 0.6 and the transmission efficiency from the rotor to the pump is 0.9. Assume water density to be 996 kg/m³. For this multi blade machine Cp,max=0.31 and TSR = 0.75.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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