Qin,GT699.3ProblemsQ1/A simple Brayton cycle using air as the working fluid has a pressure ratio of 8. The minimum andmaximum temperatures in the cycle are 310 and 1160 K. Assuming an isentropic efficiency of 75 percent forthe compressor and 82 percent for the turbine, determine (a) the air temperature at the turbine exit, (b) the network output, and (c) the thermal efficiency.

given data minimum temperature = 310 K Maximum temperature = 1160 k pressure ratio =8

Answered: and 82 percent for the turbine,…

and 82 percent for the turbine, determine (a) the air temperature at the turbine exit, (b) the net (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: Air at 200 kPa and 950 K enters an adiabatic nozzle at low velocity and is discharged at a pressure…

A: The ideal temperature at the exit of the nozzle is

Q: Air flows into a turbine at a rate 30 [m 3 /s], a temperature of 1100 [K] and a pressure of 300…

A: Write the properties of air at the entry of the turbine ( P3=300 kPa, T3=1100 K). h3=1162.28…

Q: Refrigerant-134a at 700 kPa and 120°C enters an adiabatic nozzle steadily with a velocity of 20 m/s…

A: As per given question P1=700 kpa P2=400kpa T1=120°c T2=30°c We have to determine exit velocity and…

Q: Helium expands polytropically steadily through a turbine according to the process pV1.5=C. The inlet…

A: Given Data: The polytropic process is pV1.5=C The inlet temperature is Ti=1000 K. The inlet…

Q: The isentropic efficiency of a nozzle is defined as the ratio of the actual kinetic energy of the…

A: The isentropic process is the process in which entropy of the fluid remains constant. The isentropic…

Q: : Determine the total turbine power output ? in the adiabatic turbine receives the water at (15000…

Q: b) The minimum mass flow in kg/s required to maintain energy production of 152MW per turbine,…

A: Given Data P=152 MW H=375 m n=8

Q: 100 kg/s of superheated steam at 653.15 K and 8800 kPa enters a turbine and leaves as saturated…

A: Condition of superheated steam at turbine inlet is:Temperature,T1=653.15KPressure,P1=8800KPaMass…

Q: Refrigerant-134a enters the compressor of a residential heat pump at 140 kPa at a rate of 216 kg/h…

Q: Discuss the reversible, irreversible, and impossible process of the Carnot cycle.

Q: 4. A converging nozzle is fed with air from a large reservoir where the. pressure and temperature…

A: AS THERE ARE MULTIPLE QUESTIONS AND YOU HAVEN'T SPECIFIED WHICH ONE TO DO. SO, I'VE DONE ONLY…

Q: What is entropy and its application?

A: Entropy measures randomness or disorder of the system or it is the measure of a system's thermal…

Q: A vacuum pump is used to drain a flooded mine shaft of 20C water. The pump pressure of water at this…

Q: Q11) In an air turbine, the air expands from 6.8 bar & 430°C to 1.013 bar & 150 °C. The heat loss…

A: Given data:

Q: Distinguish between ideal and real pumping processes n an enthalpy-entropy (h-s) diagram.

A: Pumping process consumes power when undergoes the steady flow process. The isentropic efficiency of…

Q: etermine the power produced by an adiabatic turbine if steam enters at 2 MPaa and 400 °C and leaves…

Q: A plant engineer suggests ending this practice. She proposes to run cooling water through the outer…

A: A steam turbine is a steady flow device, and power output of a steady flow device is given with the…

Q: Q3: In a gas turbine installation, the gases enter the turbine at the rate of 5 kg/s with a velocity…

Q: The entropy of steam entering the turbine at temperature 800°C and Pressure 1600 kPa is

A: Steam temperature, T=800oC Steam pressure, P=1600 kPa

Q: Steam at a temperature of 240°C has a specific volume of 0.15436m³/kg. What are the pressure,…

A: At 240°C v=0.15436m³/kg Using the superheated steam table Pressure = 1.4 MPa

Q: Question 2 Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are…

Q: 3. Steam enters the turbine at the rate of 1.5 kg/s with enthalpy of 2300 kJ/kg and exhaust enthalpy…

A: Given that , m'=1.5kg/sh1=2300kJ/kgh2=2570kJ/kgh3=1200kJ/kg

Q: Steam is condensed at a constant temperature of 30°C as it flows through the condensor of a power…

A: Given: The temperature of the steam is T=30°C. The rate of the heat rejecting is Q1=-55 MW. Convert…

Q: spectively, which of the following is the energy obtained

A: Option(A) is correct

Q: Q3: - In a gas turbine installation, the gases enter the turbine at the rate of 5 kg/s with a…

Q: Water vapor enters a continuous flow adiabatic turbine at a pressure of 25 mPa and a temperature of…

Q: Can the combined turbine–generator efficiency be greater than either the turbine efficiency or the…

A: Consider the efficiency of the turbine be ηT, the efficiency of the generator be ηG and the combined…

Q: 1)Can the combined turbine-generator efficiency be greater than either the turbine efficiency or the…

A: 1. The combined turbine-generator efficiency cannot be greater than either the turbine efficiency…

Q: The power output of an adiabatic steam turbine is 5 MW, and the inlet and the exit conditions of the…

A: Given data W=5 MW

Q: Air expands adiabatically through a turbine from an inlet pressure P¡ of 1000 kPa and a temperature…

Q: Refrigerant-134a enters an adiabatic compressor at 100 kPa and 0 "C with a volumetric flow rate at a…

Q: sentropically from intet to exhaust having an enthalpy drop=1200 kJ/kg. Assuming ideal conditions…

Q: Determine the temperature change undergone by an air as an ideal gas when expanding in the turbine…

Q: A steam turbine receives steam at a rate of 90 MTPH at 2 MPa and 5000C and exhausts it at 0.10 MPa.…

Q: Determine the total turbine power output ? in the adiabatic turbine receives the water at (15000…

Q: 4. A converging nozzle is fed with air from a large reservoir where the. pressure and temperature…

A: We are suppose to solve only one question. Please post other question as a separate question.…

Q: Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are 10 MPa,…

Q: Q5: A-Steam enters a turbine with a velocity of 47 m/s and specific enthalpy 2690 kJ/kg. the steam…

Q: In Otto Cycle, air at 18oC is first compressed to one-ninth of its original volume. If the heat…

Q: DETERMINE THE TURBINE WORK AND ENGINE EFFICIENCY IF THE INLET PRESSURE AND TEMPERATURE ARE 23MPA AND…

Q: Show that the air standard efficiency of a gas turbine can be expressed in terms of pressure ratio…

A: It is required to determine efficiency of Gas turbine cycle in terms of pressure ratio

Q: Q2. Determine the temperature change undergone by an air as an ideal gas when expanding in the…

Q: Steam enters an isothermal compressor at 400 C and 100 KPa . The exit pressure is 10 MPa. Determine…

A: Given data: The initial temperature in the compressor is Ti=400°C=673 K The initial pressure in the…

Q: rate of 90 MTPH at 2 MPa and 5000C and exhausts it at 0.10 MPa. Considering indicated turbine,…

A: Solution is attached below:

Q: The turbines in steam power plants operate essentially under adiabatic conditions. A plant engineer…

A: The specific volume proportional to the work the larger the specific volume means the larger the…

Concept explainers

Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.

Question

Qin,GT
699.3
Problems
Q1/A simple Brayton cycle using air as the working fluid has a pressure ratio of 8. The minimum and
maximum temperatures in the cycle are 310 and 1160 K. Assuming an isentropic efficiency of 75 percent for
the compressor and 82 percent for the turbine, determine (a) the air temperature at the turbine exit, (b) the net
work output, 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.

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step by step

Solved in 4 steps with 3 images

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

The single-stage expansion process of an ideal Brayton cycle without regeneration is replaced by a multistage expansion process with reheating between the same pressure limits. As a result of this modification, (a) Does the turbine work increase, decrease, or remain the same? (b) Does the back work ratio increase, decrease, or remain the same? (c) Does the thermal efficiency increase, decrease, or remain the same?
8 - In a Brayton cycle using air as the working fluid, the temperature at the compressor outlet is 530 K and the turbine inlet temperature is 1000 K. Mass flow rate is 24 kg/s. Which of the following is the heat given to the air? a) 12.29 MW B) 11.5 MW NS) 13.91 MW D) 14.18 MW TO) 10.99 MW
Explain why Brayton cycle is more preferred over Rankin cycle in power plant stations? And how would you enhance the performance of a Brayton cycle?
For a Gas Turbine, operating in an ideal Brayton cycle, with temperatures being:Input air temperature T1 = 305,0Maximum temperature after burning T3 = 1760,6Output Temperature T4 = 585,8With the compression ratio being 17,7.(With air isentropic exponent @ 25°C being 1,4)Calculate the ηth efficiency.
The single-stage compression process of an ideal Brayton cycle without regeneration is replaced by a multistage compression process with intercooling between the same pressure limits. As a result of this modification. Does the compressor work increase, decrease, or remain the same?
PART D only A gas-turbine power generator operates on an ideal air-standard Brayton cycle 1 → 2 → 3 → 4 shown in Fig. 1. The gas temperatures at the compressor inlet, compressor exit, and turbine inlet are T1 = 300 K, T2 = 600 K, and T3 = 1200 K, respectively. Solve PART D below using the variable specific heat assumption PART D - Evaluate the thermal efficiency η of the cycle and the back work ratio rBW = wC/wT.
A gas turbine power plant working on Brayton cycle, Explain the working principle of the cycle with physical diagram as well as P-V and T-s diagrams, and with all the required details
Consider a Brayton cycle with a pressure ratio of 13, that receives 6.5 lbm/s of air at 75 ∘F. Assume that the maximum allowable temperature in the machinery is 2500 ∘F. If the isentropic efficiency of the compressor and turbine is 93 % and 92 % respectively, then what is the thermal efficiency of this system? heat capacity of air: c_p = 0.240 btu/(R*lbm) k of air is 1.4
For a Gas Turbine, operating in an Brayton cycle with regenerative heating, with temperatures being:Input air temperature T1 = 287,6Maximum temperature after burning T3 = 1068,9Output Temperature T4 = 522,0With the compression ratio being 12,6(With air isentropic exponent @ 25°C being 1,4)Calculate the ηth efficiency.
35 - In the simple ideal Rankine cycle, the enthalpy of water at the pump outlet is 230 kJ/kg. If the pressure at the turbine inlet is 9 MPa and the temperature is 400ºC, which of the following should be supplied to the water at a flow rate of 50 kg/s? a) 225.5 MW B) 199.7 MW NS) 259.1 MW D) 224.8 MW TO) 144.4 MW
For Otto cycle, what is the impact of the inlet properties on its efficiency? And for real car engine what is the impact of the inlet properties on its power output?
Consider a simple Brayton cycle that uses air as the working fluid to operate a gas-turbine power plant between the pressure limits of 100kPa and 900kPa. Air enters the compressor at 298K and leaves at 610K at a mass flow rate of 1200kg/min. The maximum cycle temperature is 1380K. The net power output from the cycle is measured experimentally to be 55 MW. Assuming constant properties (Cv,Cp, R, and k) for air at 300K: a) Sketch a T-s diagram for the cycle b) Determine the isentropic efficiency of the turbine c) Determine the thermal efficiency