Steam and ammonia are the working fluids in a binary vapor power cycle consisting of two ideal Rankine cycles. The heat rejected from the steam cycles is provided to the ammonia cycle. In steam cycle, steam at 6 MPa, 650°C enters the turbine and exits at 60°C. Saturated liquid at 60°C enters the pump and is pumped to the steam generator pressure. Saturated vapor of ammonia enters the turbine at 50ºC and exits at 1 MPa which enters the condenser and condenses to saturated liquid. The saturated liquid is then pumped through the heat exchanger. The power output of the binary cycle is 25 MW. Determine (a) the mass flow rates of steam and ammonia, (b) the power outputs of the steam and ammonia turbines, (c) the rate of heat addition to the cycle and (d) the thermal efficiency.
Steam and ammonia are the working fluids in a binary vapor power cycle consisting of two ideal Rankine cycles. The heat rejected from the steam cycles is provided to the ammonia cycle. In steam cycle, steam at 6 MPa, 650°C enters the turbine and exits at 60°C. Saturated liquid at 60°C enters the pump and is pumped to the steam generator pressure. Saturated vapor of ammonia enters the turbine at 50ºC and exits at 1 MPa which enters the condenser and condenses to saturated liquid. The saturated liquid is then pumped through the heat exchanger. The power output of the binary cycle is 25 MW. Determine (a) the mass flow rates of steam and ammonia, (b) the power outputs of the steam and ammonia turbines, (c) the rate of heat addition to the cycle and (d) the thermal efficiency.
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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Answer a) and b) only
Transcribed Image Text:Steam and ammonia are the working fluids in a binary vapor power cycle consisting of two
ideal Rankine cycles. The heat rejected from the steam cycles is provided to the ammonia cycle. In
steam cycle, steam at 6 MPa, 650°C enters the turbine and exits at 60°C. Saturated liquid at 60°C
enters the pump and is pumped to the steam generator pressure. Saturated vapor of ammonia enters
the turbine at 50ºC and exits at 1 MPa which enters the condenser and condenses to saturated liquid.
The saturated liquid is then pumped through the heat exchanger. The power output of the binary cycle
is 25 MW. Determine (a) the mass flow rates of steam and ammonia, (b) the power outputs of the
steam and ammonia turbines, (c) the rate of heat addition to the cycle and (d) the thermal efficiency.
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