H.W: A large stationary Brayton cycle gas-turbine power plant delivers a power to an electric generator. The minimum temperature in the cycle is 300 K, and the maximum temperature is 1600 K. The minimum pressure in the cycle is 100 kPa, and the pressure at the end of combustion process is 1400kpa, Calculate (1) the input work of the compressor, (2) the work output of the turbine, (3)work ratio and(4)the thermal efficiency of the

H.W: A large stationary Brayton cycle gas-turbine power plant delivers a power to an electric generator. The minimum temperature in the cycle is 300 K, and the maximum temperature is 1600 K. The minimum pressure in the cycle is 100 kPa, and the pressure at the end of combustion process is 1400kpa, Calculate (1) the input work of the compressor, (2) the work output of the turbine, (3)work ratio and(4)the thermal efficiency of the

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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Q3) A steam power plant operates on a simple ideal Rankine cycle between the pressures limits of 8000 kPa and 10 kPa. The mass flow rate of steam through the cycle is 25 kg/s. The temperature of steam at the turbine inlet is 400 C. Show the cycle on a block diagram and on a T-S diagram with respect to saturation lines. Calculate: a- The rate of heat input in the boiler and the rate of heat output in the condenser. b-The thermal efficiency of the turbine.
Solve it using the given values provided below, The efficiency must be 35% In a simple rankine cycle, the steam throttled condition is 8 MPa and 480°C. The steam is then reheated to 2 MPa and 460 °C. If turbine exhaust is 60 °C, determine the following: a. Heat Added b. Turbine Work c. Heat Rejected d. Pump Work e. Net Work f. Efficiency
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High-P turbine Low-P turbine Reheater (4 Boiler P = Ps = Preheat Pump Condenser The following data was given for a steam power plant operating on the ideal reheat Rankine cycle. 3-4: Inlet steam at 17.5 MPa and 600 C 6-1: inlet steam at a pressure of 11 16 kPa at a wetness fraction of 0.1 At state 1, the specific volume is 0.00101 m kg Find the specific entropy in kJ/kg at state 1 to 3 decimal places.
C=35, D=15, E=3.28
Q(2-3)A gas-turbine power plant operates on Brayton cycle. The air pressure inside the combustion chamber is 1100 kPa. The pressure at the turbine exist is 1.10 bar. Using local thermometers on site, the maximum temperature reached in the system is 1311 K while the minimum temperature in the system is 220. The working fluid is air, which enters the compressor at a rate of 120 m3/min and leaves the turbine at 460°C. Assume the compressor has no deviation. Determine: The compression ratio Turbine isentropic efficiency % Actual temperature inter the combustion chamber in K The net power output in MJ/day The thermal efficiency %|
High-P turbine Low-P turbine Reheater Boiler P=Ps=Paeheat Pump Condenser The following data was given for a steam power plant operating on the ideal reheat Rankine cycle. 3-4: Inlet steam at 17.5 MPa and 600 Click Save and Submit to save and submit. Click Save All Answers to save all answers. 3-4: Inlet steam at 17.5 MPa and 600 °C 6-1: inlet steam at a pressure of 11.16 kPa at a wetness fraction of 0.1. At state 1, the specific volume is 0.00101 m³/kg Calculate the specific heat input of the system in kJ/kg to 3 decimal places. 7L
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A steam power plant operates between a boiler pressure of 52 bar and a condenser pressure of 0.045 bar. Calculate for these limits the cycle efficiency for a Rankine cycle with dry saturated steam at entry to the turbine. NB:Answer in decimal and not percentage to 4 decimal places.
COMBUSTIONMENGINEERING PROBLEM: A regenerative-reheat gas turbine with intercooling between turbine stages is shown in figure. Air enters at 100 kPa, 300 K with a mass flow rate of 5.807 . The pressure ratio across the two-stage compressor is 10. The pressure ratio across the two-stage turbine is 10. The intercooler and reheater each operate at 300 kPa. At the inlets to the Turbine stages, the temperature is 1400 K. The temperature inlet to the second compressor stage is 300 K. The polytropic efficiency of each compressor and turbine stage is 80 %. The regenerator effectiveness is 80 %. č, = 1.005 .k%D kgk 1.4 Determine d. The thermal efficiency, in percent e. The work ratio f. The The net power developed, in kW e. Draw the corresponding cycle diagram on the pv plane.
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