A simple ideal Brayton cycle with air as the working fluid has a pressure ratio of 10. The air enters the compressor at 520 R and the turbine at 2000 R. Assuming the variation of specific heats with temperature is constant at room temperature., determine (a) the air temperature at the compressor exit, (b) the back work ratio, and (c) the thermal efficiency.

A simple ideal Brayton cycle with air as the working fluid has a pressure ratio of 10. The air enters the compressor at 520 R and the turbine at 2000 R. Assuming the variation of specific heats with temperature is constant at room temperature., determine (a) the air temperature at the compressor exit, (b) the back work ratio, and (c) 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

See similar textbooks

Related questions

Q: Water is used as the working fluid in an ideal Rankine cycle. Saturated liquid enters the pump with…

Q: A Carnot Steam Cycle operates between pressure limits of 3 MPaa and 10 kPaa. Find the specific…

A: Given Data PH=3 MPa PL=10 kPa

Q: An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process, air…

Q: A gas-turbine power plant operating on an ideal Brayton cycle has a pressure ratio (P2/P1= P3/P4)…

Q: A steam power plant operates on a Rankine cycle as shown. II all kinetic and potential energy…

A: Given that, Pressure at 2-3 process, P2=P3=3 MPa,Pressure at 4-1 pressure, P4=P1=50 kPaTurbine at…

Q: The maximum temperature in the cycle :in ( o C) is A steam power plant operating on ideal Rankine…

A: Given, Pressure of steam at the inlet of turbine (high pressure) = P1 = 2000 kPa Pressure of steam…

Q: 4. An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process,…

Q: Q(4) A steam power plant operates on a simple ideal Rankine cycle between the pressure limits of 3.5…

A: Given Data Turbine Inlet: 3.5 MPa, 400°C Turbine outlet: 75 kPa Mass flow rate: 45 kg/s

Q: An ideal Stirling cycle cooler, using helium (considered ideal) as its working fluid, has a…

A: Write the expression for heat absorb in Stirling cycle

Q: exhausts at 50 kPa. To show the effect of superheating on the performance of the cycle, calculate…

Q: Consider an air-standard Carnot cycle in which the overall ideal thermal efficiency is 75% and the…

A: (a) Draw the P-V and T-s diagram of Carnot cycle.

Q: A simple ideal Rankine cycle with water as the working fluid operates between the pressure li the…

A: GivenP1=10MPaP2=10kPaT1=500oCm=165 kg/s

Q: The air conditioner (a kind of vapour-compression refrigerator) in a 1500-cc car, which works on a…

Q: An engine operates with air on the cycle shown with isentropic processes 1- 2 and 3 - 4, and…

A: Use standard formula of mean effective pressure

Q: A simple power plant utilizing the Rankine Cycle operates with an inlet boiler pressure of 5 MPa and…

Q: An ideal vapor compression cycle operates between the temperature limits of -5 °C and 30 °c and uses…

Q: A spark-ignition engine operates on the ideal Otto cycle. The air enters the engine at 101 kPa and…

Q: Consider an ideal Brayton cycle with air as the working fluid. The pressure ratio of the cycle is…

A: Consider below T-S diagram with both the condition plotted: Here, 1-2-3-4 : Original Brayton Cycle…

Q: Helium is used as the working fluid in an ideal Brayton cycle. Gas enters the compressor at 27°C and…

A: Introduction We will calculate the needed parameters of the Bryton cycle-operated power plant in…

Q: The air conditioner (a kind of vapour-compression refrigerator) in a 1500-cc car, which works on a…

A: Given Data: Work done of Rankine cycle is: W=m˙Rh2-h1=1.5 kJ/s Pressure of air at point 1 is:…

Q: 3. An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process,…

A: Note: As per Expert Guidelines we are supposed to answer only the first three parts of the given…

Q: In a simple Rankine cycle, the working fluid is water, operating at pressures between 7.5 kPa and…

Q: A simple ideal Brayton cycle with air as the working fluid has a pressure ratio of 10. The air…

Q: 4. An ideal Otto cycle has a compression ratio of 8 and has 155kj/kg of heat transfer from the air…

Q: Consider an Otto cycle where air, having constant specific heats, i the working fluid. Show that the…

A: Given:The compression ratio is the specific heat ratio is the process 1-2 is the isoentropic…

Question

Gas Turbine
Home Work (1)
A simple ideal Brayton cycle with air as the working fluid has a pressure ratio
of 10. The air enters the compressor at 520 R and the turbine at 2000 R.
Assuming the variation of specific heats with temperature is constant at room
temperature., determine (a) the air temperature at the compressor exit, (b) the
back work ratio, and (c) the thermal efficiency.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step 5

Step 6

Trending now

This is a popular solution!

Step by step

Solved in 6 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Determine the rate of heat addition into an ideal Rankine cycle, in kJ/kg, for the following conditions: The turbine inlet is a superheated vapour at 15 MPa and 550 °C. The condenser pressure is 9 kPa.
5. Consider an ideal Stirling cycle using air as the working fluid. Air is at 350 K and 200 kPa at the beginning of the isothermal compression process, and heat is supplied to air from a source at 1800 K in the amount of 900 kJ/kg. Determine (a) the maximum pressure in the cycle and (b) the net work output per unit mass of air
2) A steam power plant operates according to the simple ideal Rankine cycle. The pressure limits of the cycle are 9 MPa and 10 kPa, and the flow of water eirculating in the cycle is 60 kg/s. It is required that the moisture content of the steam at the turbine outlet does not fall below 90 percent. Accordingly, calculate (a) the lowest possible turbine inlet temperature, (b) the heat supplied to the cycle, and (c) the thermal efficiency of the cycle by showing the cycle on a T-s diagram with saturated vapor and saturated liquid curves,.
A power plant operating on an ideal Rankine cycle has steam entering theturbine at 500°C and 2 MPa. If the steam enters the pump at 10 kPa, calculate the thermal efficiency with pump work included, the thermal efficiency neglecting pump work, and the percentage error in efficiency neglectingpump work.
Compare the thermal efficiency of a two-stage gas turbine with regeneration, reheating, and intercooling to that of a three-stage gas turbine with the same equipment when the maximum cycle temperature is 800°C.
A simple Bravton cycle operates between the pressure limits of 100 and 2000 kPa. The working fluid is air which enters the compressor at 40 "C at a rate of 4 kg/s and enters the turbine at 1400 °C. The compressor is ideal (i.e., n= 100%) and the turbine has an isentropic efficiency of n= 90%. For this problem, assume that air is an ideal gas with constant specific heats (R= 0.287 kJ/kg-K, C, = 1.005 kJ/kg-K, C, = 0.718 kJ/kg-K, k= 1.4). %3D (a) Determine the net work output, in kW. (b) Determine the thermal efficiency of the cycle. Heat exchanger Compressor Turbine Heat exchanger Jout
kgK 4. An ideal Otto cycle has a compression ratio of 9. Using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 60 kW of power, k=1.4.
Determine the thermal efficiency
Q.2/ Consider a Carnot cycle executed in a closed system with air as the working fluid. The maximum pressure in the cycle is 1300 kPa while the maximum temperature is 950 K. If the entropy increase during the isothermal heat rejection process is 0.25 kJ/kg·K and the network output is 100 kJ/kg, knowing that R= 0.287 kJ/kg.K and y= 1.4, what is the thermal efficiency of the cycle?
The air conditioner (a kind of vapour-compression refrigerator) in a 1600-cc car, which works on a pseudo-ideal reversed Rankine cycle, uses R-134a, the isentropic rotary-com-pressor of which consumes power at a rate of 1.5 kJ/s bringing the R-134a from 2.017 bar to 12 bar by compression. The cold space is a heat exchanger (using a hamster wheel as a blower) that cools atmospheric air from the outside temperature of 303 K down to 283 K and blows it into the car. Assume the start of compression process is state point 1. The refrigerant at evaporator exit is dry saturated vapour and saturated liquid at the condenser exit. Draw the schematic and T-s diagrams for the cycle. (a) What is the mass flow rate of the R-134a ()? (b) What is the low-temperature heat transfer rate? (c) How much is the mass flow rate of air () at 283 K? For air, take cP = 1.004 kJ/(kg·K).