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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A medium size power station is used to produce 30 MW net power for a refinery. The station uses steam as the operating fluid and operates according to the Carnot cycle between the pressure limits of 0.4 bar and 35 bar. Steam enters the boiler as a saturated liquid and leaves it as a dry saturated vapour.(ix) State main disadvantages of using the Carnot cycle as the basis for a power station.
turbine turbine Reheater (4 Boiler P4= P5 = Prcheat 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 pressure in bar at state 6 to 3 decimal places
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High-P turbine Low-P turbine Reheater (4) Boiler P4 = P5 = 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 m3/kg Find the temperature in degree C at state 4 to 2 deciamal places.
A steam plant works on the Rankine cycle with reheat. Steam enters the turbine at 35 bar, 350°C, and expands to 10 bar, where it passes through a reheater, emerging at 350°C. It then expands to the condenser pressure of 35 kPa. For an ideal cycle, compute (a) workdone in HP and LP turbines (b) heat added in the reheater (c) pump work (d) efficiency (e) heat added in the boiler
A generator uses a gas turbine cycle. Air enters the compressor at a pressure of 1 bar and a temperature of 30°C with a compressor efficiency of 0.85. Hot gas exits the combustion chamber at a pressure of 9 bar and a temperature of 900°C. The power generated by the turbine is 2400 kW with a turbine efficiency of 0.82. a. Draw installation diagrams and T-s cycle process diagramd b. Determine the work of the compressor and turbine and the mass rate of the air requirement c. Cycle thermal efficiency (air: Cp=1,005 kJ/kg. K dan γ=1.4; Gas hot: cp=1,005 kJ/kg K and γ=1.4)
A Brayton cycle is used to estimate the performance of an aircraft engine with nitrogen as the working fluid. The engine generates a net power of 10 MW. Nitrogen enters the compressor of the engine at 250 K and 80 kPa and is compressed to a pressure of 400 kPa. The gas exits the turbine of the engine at 450 K and 80 kPa.a. Calculate the mass flow rate of nitrogen through the engine.b. Calculate the thermal efficiency of the cycle.c. Determine the irreversibility per unit mass for each process and for the cycle if TH = 1500 K and TL = To = 250 K.d. Which process has the largest irreversibility?
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use perrys chem engg handbook