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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
8.79Â Â Figure P8.79 provides steady-state operating data for a cogeneration cycle that generates electricity and provides heat for campus buildings. Steam at 1.5 MPa, 2808C, enters a two-stage turbine with a mass flow rate of 1 kg/s. A fraction of the total flow, 0.15, is extracted between the two stages at
0.2 MPa to provide for building heating, and the remainder expands through the second stage to the condenser pressure of 0.1 bar. Condensate returns from the campus buildings at
0.1 MPa, 608C and passes through a trap into the condenser,
where it is reunited with the main feedwater flow. Saturated liquid leaves the condenser at 0.1 bar. Â Determine
(a)Â Â the rate of heat transfer to the working fluid passing through the boiler, in kW.
(b)Â Â the net power developed, in kW.
(c)Â Â the rate of heat transfer for building heating, in kW.
(d)Â Â the rate of heat transfer to the cooling water passing through the condenser, in kW.
Â
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