Question: Helium is used as the working fluid in a Brayton cycle with regeneration. The pressure ratio of the cycle is 8, the compressor inlet temperature

Helium is used as the working fluid in a Brayton cycle with regeneration. The pressure ratio of the cycle is 8, the compressor inlet temperature is 300 K, and the turbine inlet temperature is 1800 K. The effectiveness of the regenerator is 75 percent. Determine the thermal efficiency and the required mass flow rate of helium for a net power output of 60 MW, assuming both the compressor and the turbine have an isentropic efficiency of
(a) 100 percent and
(b) 80 percent.

Step by Step Solution

★★★★★

3.48 Rating (168 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

A regenerative Brayton cycle with helium as the working fluid is considered The thermal efficiency a... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

E-ME-T (2442).docx

120 KBs Word File

Students Have Also Explored These Related Mechanical Engineering Questions!

The refrigerant R-22 is used as the working fluid in a conventional heat pump cycle. Saturated vapor enters the compressor of this unit at 10C; its exit temperature from the compressor is...

The refrigerant R-22 is used as the working fluid in a conventional heat pump cycle. Saturated vapor enters the compressor of this unit at 50 F; its exit temperature from the compressor is measured...

The refrigerant R-22 is used as the working fluid in a conventional heat pump cycle. Saturated vapor enters the compressor of this unit at 10C; its exit temperature from the compressor is measured...

DIRECTION: Show your complete solutions. Combined Gas-Vapor Power Cycle: (ANALYSIS) Consider a combined gas-steam power cycle. The topping cycle is a simple Brayton cycle that has a pressure ratio of...

Consider a combined gas-steam power cycle. The topping cycle is a simple Brayton cycle that has a pressure ratio of 7. Air enters the compressor at 15°C at a rate of 40 kg/s and the gas turbine...

Consider the combined gas - steam power cycle shown in Figure Q 3 . The topping cycle is a simple Brayton cycle that has a pressure ratio of 8 . Air enters the compressor at 3 0 0 K and the gas...

Consider a combined gassteam power cycle. The topping cycle is a simple Brayton cycle that has a pressure ratio of 7. Air enters the compressor at 15°C at a rate of 10 kg/s and the gas turbine at...

Consider a simple and ideal Brayton cycle operating with a pressure ratio of 8 , where the air enters the compressor at 3 0 0 K and 1 0 0 kPa, while it enters the turbine at 1 0 5 0 K . Assume speci...

Consider a combined gas-steam power cycle. The gas cycle is a simple Brayton cycle that has a pressure ratio of 7. The air enters the compressor at 15 C at a rate of 40 kg/s, and the gas turbine at...

3 . Consider an ideal combined gas - steam power plant that has a net power output of 4 5 0 MW . The topping cycle is a simple Brayton cycle that has a pressure ratio of the gas - turbine cycle of 1...

Interceptor is a simple game. You are given the position and the velocity vector of a target. Your objective is to shoot it down. You are equipped with a single missile located at the position...

Complete the following sentence: How much you pay in taxes depends on _________________________.

Sander Technologies is considering a research project. If successful, the project is expected to lead to sales totaling \ ( \ $ 6 0 , 0 0 0 \ ) annually. The initial cost of the research is expected...

Find the limits, if they exist. If a limit does not exist, check whether the function approaches Math_1111 Written_Exam.pdf 6 Print Save to OneDrive Math 1111 Final Exam Page 2 August 29, 2020 2 -...

Evaluate Reg from the given circuit. 12 2 12 12 2 12 Rea 12 2 312 2 12 2 ww ww

Marks 1. Find the limits, if they exist. If a limit does not exist, check whether the function approaches +00 x2 + 2x - 15 (5) (a) lim x-3 x2-4x +3 x2 - 4 (5) (b) lim x2 x4 - 16 Carol Ferland CF...

Pollution is an example of market failure because

Plot the rough solutions of the following differential equations. You can use your hand (preferably), or wolfram alpha, or you can dsolve in MATLAB. I just need a rough shape of the plot, no numbers!...

Use a graph to find a number such that if |x 1| 2x 2 x + 4 - 0.4

Williams \& Sons last year reported sales of $15 million, cost of goods sold (CDGS) of $12 million, and an inventory turnover ratio of 2 . The compony is now adopting a new inventory system. If the...

Assume the following information regarding U.S. and Canadian annualized interest rates: Currency Lending Rate Borrowing Rate U.S. Dollar ($) 5.8996 6.3596 Canadian Dollar (C$) 5.6096 6.00% Piggy Bank...

What action would the holder of a maturing put option tako if an option which cost $4, had a strike price of $60, and the market value of the stock was $627 O Let the option expire unexercised O...