FUNDAMENTALS OF THERMODYNAMICS
10th Edition
ISBN: 9781119634928
Author: Borgnakke
Publisher: WILEY
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A turbine receives steam at 10 MPa, 6000C and exhaust it at 0.2 MPa. (a) for the ideal Rankine engine, determine the work, steam rate, thermal efficiency, and means effective pressure. (b) for the actual engine,the brake engine efficiency is 84%; the driven generator efficiency is 93% and the rated output of the generator is 30 MW. Estimate the enthalpy ang quality (or temperature) of the exhaust..Compute the combined work, combined heat rate, and the total throttle flow for the rated power.
Don't answer the given problem, just give me the schematic diagram andT-S diagram of the given problem
Explain ideal Rankine cycle with P-V, T-S and h-S plot.
4. The open cycle gas turbine operate on Brayton cycle with pressure ratio 4.5/1. Air
enter the compressor at 210C and heated to 7800C at entry to the turbine. If mass
flow rate is 140kg/min, Determine: a. e b. Wnet
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- the intake volume of an engine working on the carnot cycle is 43.5 m^3 while the voume after the volume of the compression process is 13.6 ft^3 if the working fluid is hot air. Find the cycle efficiency in %arrow_forwardThe pump in the Rankine cycle increases the pressure from 20 kPa to 6 MPa. The boiler exittemperature is 600 o C and the quality of the steam at the turbine is 100%. Find Q boiler.arrow_forwardA simple Rankine cycle works betw een pressures 57 bar and 10 Kpa, the initial condition of steam being dry saturated. Calculate the cycle efficiency, work ratio and specific steam consumption.arrow_forward
- Please solve this problem. Thank youarrow_forwardA gas turbine power plant operating on Brayton cycle shown in figure. The air enters the compressor at 300 K and exits at 700 K. The pressure ratio for compressor is 7. The gas enters the turbine at 1600 K, 600 kPa and exits at 1050 K, 100 kPa. Fuel T₂ = 700k. p=7 Compressor T₁ = 300k Fresh air Combustion Chamber Turbine Find Work T3 = 1600 K P3=600 кра Exhaust gas In put work efficiency we net =1050 K P4=100 kPaarrow_forwardProve that there is an increase in efficiency between a Simple Rankine Cycle and a Reheat Rankine Cycle. What is worth using for?arrow_forward
- Provide the diagram, given, and step by step solution for below problem. An Otto cycle has an initial condition of 102 kPa and 32°C with compression ratio of 8.The maximum temperature of the cycle is 1400°C. Find the mean effective pressure in Kpa per kilogram of air.arrow_forwardThe pressure ratio of a simple air-powered Rayton cycle is 12. Air enters the compressor at 295K and turbine at 1020 K. Since the net power of the cycle is 32MW, a) If the isentropic efficiency of the compressor and the turbine are 95%, b) If they are 80%, calculate the circulating air flow rate. Constant specific heat at room temperature will be accepted.arrow_forwardSolve it correctly please. I will rate accordingly.arrow_forward
- A gas turbine working on an air standard Brayton cycle has air enter into the compressor at atmospheric condition and 22°C. The pressure ratio is 9 and the maximum temperature in the cycle is 1077°C. Compute for the cycle/thermal efficiency per kg of air in percent.arrow_forwardthe intake volume of an engine working on the carnot cycle is 42.5 m^3 while the voume after the volume of the compression process is 37.2 ft^3 if the working fluid is cold air. Find the cycle efficiency in %arrow_forwardIn a reheat cycle steam at 550°C expands in an h.p. turbine till it is saturated vapour. It is reheated at constant pressure to 450°C and then expands in a I.p. turbine to 40°C. If the maximum moisture content at turbine exhaust is limited to 10%, find (a) the reheat pressure, (b) the boiler pressure, c) the net specific work output,plss give info as much as possiblearrow_forward
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