1. A 100-MW stean power plant operates on the Rankine cycle but with turbine andpump efficiencies of 85%. The steam enters the turbine at 7.0 MPa and 555°C.the cycle thermalIt discharges to the condenser at 20 kPa. Determineand the cooling-water flow rate in thethe steam flow rate,efficiency,condenser if cooling water enters at 20°C and leaves at 35°C. Draw the T-Sdiagram.ISteamgeneratorBoundary1'Turbine77,-0.85Condenser43Pump7,-0.85100 MW1 35° CI Cooling water20° C

Given: Wnet˙=100 MW P2=7Mpa T2=555oC Pcond=20Kpa ηT=ηP=0.85

1. A 100-MW stean power plant operates on the Rankine cycle but with turbine and pump. o efficiencies of 85%. The stean enters the turbine at 7.0 MPa and 555°C. It discharges to the condenser at 20 kPa. Determine the cycle thermal efficiency, the steam flow rate, and the cooling-water flow rate in the condenser if cooling water enters at 20°C and leaves at 35°C. Draw the 1-5 diagram. I 1 I 1 1 I I I Steam generator Boundary I' Turbine -0.85 Condenser 3 ee Pump 3-0.85 1 -100 MW 1 35° C Cooling water ! 20° C 1 1 1

1. A 100-MW stean power plant operates on the Rankine cycle but with turbine and pump. o efficiencies of 85%. The stean enters the turbine at 7.0 MPa and 555°C. It discharges to the condenser at 20 kPa. Determine the cycle thermal efficiency, the steam flow rate, and the cooling-water flow rate in the condenser if cooling water enters at 20°C and leaves at 35°C. Draw the 1-5 diagram. I 1 I 1 1 I I I Steam generator Boundary I' Turbine -0.85 Condenser 3 ee Pump 3-0.85 1 -100 MW 1 35° C Cooling water ! 20° C 1 1 1

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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