Hot combustion gases (air) at 1500 K is used as heat source in a heat engine where

Question:

Hot combustion gases (air) at 1500 K is used as heat source in a heat engine where the gas is cooled to 750 K and the ambient is at 300 K. This is not a constant T source. How does that affect the efficiency?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Fundamentals of Thermodynamics

ISBN: 978-0471152323

6th edition

Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen

See More Books

Question Posted: Feb 23, 2016 06:55 AM

See More Questions

Hot combustion gases (air) at 1500 K is, used as heat source in a heat engine where the gas is cooled to 750 K and the ambient is at 300 K. This is not a constant T source. How does that affect the...
Hot exhaust gases leaving an internal combustion engine at 4008C and 150 kPa at a rate of 0.8 kg/s is to be used to produce saturated steam at 2008C in an insulated heat exchanger. Water enters the...
Hot combustion air at 1500 K expands in a polytropic process to a volume 6 times as large with n = 1.5. Find the specific boundary work and the specific heat transfer.
Explain factors governing recruitment?
Describe the procedure used to stop payment on a check. Why might you wish to initiate this process?
A college charters a bus for $1700 to take a group of students to see a Broadway production. When 6 more students join the trip, the cost per student decreases by $7.50. How many students were in the...
What do you mean by break-even chart? Explain the various methods of its preparation.
What would you recommend for the next possible steps? In September at its initial meeting of the academic year, the Council of Fraternities and Sororities (CFS) at Mount Clement University decided to...
Question 9 0/1 pts A field identified in a table as holding the unique identifier of the table's records is called the: foreign key. identifying field. unique key. primary key. LO: 6.1: What is a...
Why did Bosch state the cost of living allowance amount as a CEHB-based sum and a separate cost of living supplement in first and the second year of the assignment in the balance sheet for Korea?
A large stationary diesel engine produces 15 MW with a thermal efficiency of 40%. The exhaust gas, which we assume is air, flows out at 800 K and the intake is 290 K. How large a mass flow rate is...
A remote location without electricity operates a refrigerator with a bottle of propane feeding a burner to create hot gases. Sketch the setup in terms of cyclic devices and give a relation for the...
True or False? All recursive algorithms need a base case, even if it is Do nothing.
As the human resource manager, how would you evaluate the training needs of your staff? How can you ensure that the training you would provide is effective? What data might be used to make your...
MARYLAND CORPORATION manufactures three liquid products - Alpha, Beta and Gamma using a joint process with direct materials, direct labor and overhead totaling $560,000 per batch. In addition, the...
Three common organizational structures. Mention one organization for each organizational structure which is following a specific organizational structure. Also, provide support to your answer by...
You are a retail manager at Kitchen Nightmare, a relatively new store at the mall that sells mostly items for kitchens, like forks, oven mitts, etc.. You have been open since the fall of 2021 and...
Examine the extent to which the Department of Veteran Affairs has established any processes or procedures to ensure knowledge retention of departing employees. Why is it important to manage the...
A prior period adjustment is: (a) reported in the income statement as a nontypical item. (b) a correction of an error that is recorded directly to retained earnings. (c) reported directly in the...
Explain what is meant by vicarious liability and when it is available?
What is your assessment of the management control process of the MPP? How, if at all, would you have changed it?
A 0.04-m3 open pan of water at 20C is sitting on the burner of a stove. How much heat is needed to completely vaporize the water?
A vertical frictionless piston-cylinder device contains 50 kg of steam at 200 kPa and 300C. Determine the heat transfer and the work done during the process if the steam is cooled at constant...
A frictionless piston maintains a constant pressure of 120 kPa as 0.6 kg of air is being heated in a cylinder. Estimate the work and the heat transfer required if the initial temperature of the air...
On February 1, 2021, Arrow Construction Company entered into a three-year construction contract to build a bridge for a price of $8,600,000. During 2021, costs of $2,200,000 were incurred with...
Salespersons' Report and Analysis Walthman Industries Inc. employs seven salespersons to sell and distribute its product throughout the state. Data taken from reports received from the salespersons...
Stockholders do not have the power to bind the corporation to contracts. This is referred to as lack of mutual agency. True false question. True False

Hot combustion gases (air) at 1500 K is used as heat source in a heat engine where

Question:

Step by Step Answer:

If the efficiency is writt...View the full answer

Fundamentals of Thermodynamics

Students also viewed these Thermodynamics questions