Steam enters the turbine 5MPA and 600 and exits adiabatically at 100 kPa.For Actual cycle: turbine efficiency =90%, turbine brakeefficiency=84%, generator efficiency=93%Mass flow rate of steam15 kg/sDetermine the following:For Ideal Rankine Enginea. Find WT and eb. SR and HRb. For Actual Rankine Cyclea. Find WT', WB, WK,e', eB and eKb. Find SR', SRB, SRK,HR', HRBand HRK

The rankine is a work producing cycle which is used in steam power plants, it comprises 4 processes…

Steam enters the turbine 5MPA and 600 and exits adiabatically at 100 kPa. For Actual cycle: turbine efficiency =90%, turbine brake efficiency=84%, generator efficiency=93% Mass flow rate of steam = 15 kg/s %3D Determine the following: For Ideal Rankine Engine a. Find WT and e b. SR and HR

Steam enters the turbine 5MPA and 600 and exits adiabatically at 100 kPa. For Actual cycle: turbine efficiency =90%, turbine brake efficiency=84%, generator efficiency=93% Mass flow rate of steam = 15 kg/s %3D Determine the following: For Ideal Rankine Engine a. Find WT and e b. SR and HR

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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Steam enters the turbine 5MPa and 600 and exits adiabatically at 100 kPa. For Actual cycle: turbine efficiency =90%, turbine brake efficiency=84%, generator efficiency=93% Mass flow rate of steam = 15 kg/s Determine the following: For Ideal Rankine Engine Find WT and e SR and HR For Actual Rankine Cycle Find WT’, WB, WK,e’, eB and eK Find SR’, SRB, SRK,HR’, HRB and HRK
A simplified Rankine cycle and some data are given in the figure below. a. Show the process in a TS diagram b. Calculate the rate of heat addition (QH) to the boiler. c. Calculate Wpump- d. Calculate |Wnetl. e. Determine the thermal efficiency (n) 6 MPа, 550 °C Boiler 6 MPa w, (turbine) |mass flow rate (m): 22 kg/s Turbine Turbine efficiency (isentropic): 89 % w, (pump) 3 4 Condenser 50 КРa 50 kPa Working fluid: water
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An Otto cycle is to be used to model an engine cycle. All assumptions of the ideal Otto cycle are to be applied except a polytropic process with n = 1.3 will be used for the expansion process. The conditions at the beginning of compression are T1 = 333 K, P1 = 90 kPa and the compression ratio is 8. The energy input into the cycle during the constant volume process is 2000 kJ/kg. Assume constant specific heats. a) Find the peak temperature of the cycle. (K)b) Find the temperature at the end of the expansion process. (K)c) Find the expansion work (kJ/kg)
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(17 blanks) Calculate the efficiency of the Carnot Engine for ideal gas. Consider the figure below for a complete cycle of Carnot engine, where the cycle goes from ad->ab->bc->cd
An Otto cycle is to be used to model an engine cycle. All assumptions of the ideal Otto cycle are to be applied except a polytropic process with n = 1.3 will be used for the expansion process. The conditions at the beginning of compression are T: = 333 K, P1 = 90 kPa and the compression ratio is 8. The energy input into the cycle during the constant volume process is 2000 kJ/kg. Assume constant specific heats. %3D a) Find the temperature (K) and pressure (kPa) after compression b) Find the peak temperature of the cycle. (K) c) Find the temperature at the end of the expansion process. (K) d) Find the expansion work (kJ/kg) e) Find the net heat transfer for the cycle (kJ/kg)
solve 2 draw schematic diagram
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An air standard gas turbine engine operates on an overall pressure ratio of 4 and between the temperature limits of 70 F and 1600 F Assuming constant specific heats, evaluate the compressor work. Find: (a) For ideal cycle: (b) calculate the turbine work (c) calculate the thermal efficiency Show complete solution on a paper.
Example-1: In a Brayton cycle, the air at the inlet is at 27°C, 0.1 MPa. The pressure ratio is 6.25 and the maximum temperature is 800°C. Find (a) The compressor work per kg of air (b) The turbine work per kg or air (c) The heat supplied per kg of air (d) The cycle efficiency. Solution: T₁ = 27°C = 300 K P₁ = 100 kPa r₂ = 6.25 T3 = 800°C = 1073 K T N T Isobaric qin qout