Question

steam enters a turbine at 1000 psia and 1000 degrees celsius, and leaves at 5Psia and 97% quality, the turbine is adiabatic and the power output is 25000 hp.

Calculate:

1- the work of the turbine ( in btv/lbm)

2- the mass flow rate in lbm/s, if the work of the turbine is 353.399 btv/lbm

3- the inlet diameter, if the mass flow rate is 60 lbm/s

NOTE: inlet velocity ≈ exit velocity =80 ft/s

1hp=2545 btv/hr

- Steam turbine satic 2

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Answer #1

La P = 1000 Psi bi 1506.2 Bullb P. 1000° = 0.83078 Mb P2 - 5psi 7 h₂ sbg +1₂ hsy = 130.16 + [0.97 x 1000.5) = 1100.665 Bru N2

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