4.16 Consider a reaction turbine with inlet and outlet diameters of 2 ft. and 8 in., respectively. The blade widths at the inlet and outlet are 3 in. and 2 in., respec- tively. It delivers 5000 gpm. The inlet blade angle ß1=40° and the fluid exits radi- ally. Calculate the head, pressure change through the rotor, degree of reaction, and utilization factor. The speed of the turbine is 400 rpm. Ans: R=0.629; H=65.49 ft.; E=0.81; Ap=17.84 psi

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4.16 Consider a reaction turbine with inlet and outlet diameters of 2 ft. and 8 in.,
respectively. The blade widths at the inlet and outlet are 3 in. and 2 in., respec-
tively. It delivers 5000 gpm. The inlet blade angle B1=40° and the fluid exits radi-
ally. Calculate the head, pressure change through the rotor, degree of reaction, and
utilization factor. The speed of the turbine is 400
rpm.
Ans: R=0.629; H=65.49 ft.; Ɛ=0.81; Ap=17.84 psi
Transcribed Image Text:4.16 Consider a reaction turbine with inlet and outlet diameters of 2 ft. and 8 in., respectively. The blade widths at the inlet and outlet are 3 in. and 2 in., respec- tively. It delivers 5000 gpm. The inlet blade angle B1=40° and the fluid exits radi- ally. Calculate the head, pressure change through the rotor, degree of reaction, and utilization factor. The speed of the turbine is 400 rpm. Ans: R=0.629; H=65.49 ft.; Ɛ=0.81; Ap=17.84 psi
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