A 140 MW power plant that uses water as the working fluid operates under Rankine cycle. Superheated vapor enters the turbine at 8 MPa and 480°C. The condenser pressure is 8 kPa. Determine (a) the steam flow rate, in MTPH, (b) the plant thermal efficiency, (c) the required fuel flow rate, in m³/hr, if its heating value is 45 MJ/kg with S.G. = 0.875, and (d) the mass flow rate of cooling water required, in kg/s, if it enters the condenser at 20°C and leaves at 35°C

Elements Of Electromagnetics
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ANALYSIS OF BASIC RANKINE CYCLE
3. A 140 MW power plant that uses water as the working fluid operates under Rankine cycle.
Superheated vapor enters the turbine at 8 MPa and 480°C. The condenser pressure is 8
kPa. Determine (a) the steam flow rate, in MTPH, (b) the plant thermal efficiency, (c) the
required fuel flow rate, in m³/hr, if its heating value is 45 MJ/kg with S.G. = 0.875, and (d)
the mass flow rate of cooling water required, in kg/s, if it enters the condenser at 20°C and
leaves at 35°C
Transcribed Image Text:ANALYSIS OF BASIC RANKINE CYCLE 3. A 140 MW power plant that uses water as the working fluid operates under Rankine cycle. Superheated vapor enters the turbine at 8 MPa and 480°C. The condenser pressure is 8 kPa. Determine (a) the steam flow rate, in MTPH, (b) the plant thermal efficiency, (c) the required fuel flow rate, in m³/hr, if its heating value is 45 MJ/kg with S.G. = 0.875, and (d) the mass flow rate of cooling water required, in kg/s, if it enters the condenser at 20°C and leaves at 35°C
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