Question: 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

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 that if that accounts for half the Q.L? Can the exhaust flow energy be used?

Step by Step Solution

★★★★★

3.51 Rating (158 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Heat engine QH WourTH 375 MW 15 ... 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 (786).docx

120 KBs Word File

Students Have Also Explored These Related Mechanical Engineering Questions!

A large stationary diesel engine produces 20 000 hp with a thermal efficiency of 40%. The exhaust gas, which we assume is air, flows out at 1400 R and the intake is 520 R. How large a mass flow rate...

A Carnot heat engine receives heat at 800 K and rejects the waste heat to the surroundings at 300 K. The output from the heat engine is used to drive a Carnot refrigerator that removes heat from the...

A heat engine receives 5 kW at 800 K and 10 kW at 1000 K rejecting energy by heat transfer at 600 K. Assume it is reversible and find the power output. How much power could be produced if it could...

5-180 Determine the power input for a compressor that compresses helium from 150 kPa and 20C to 400 kPa and 200C. Helium enters this compressor through a 0.1-m2 pipe at a velocity of 15 m/s. 5-181...

ATTEMPT ALL QUESTIONS. BE SURE TO ANSWER A body with mass m = 1 2 kg is attached to the end of a spring that is stretched 2 m by a force of 100 N. Furthermore, there is also attached a dashpot4 that...

Question 1 [28 points] A packaging facility in Jeddah is used 24 hours a day, 365 days a year. The dimensions of the facility are 70m5010m (length x width height). The facility needs to be cooled the...

Question: Case 16 The Maria and Sancho Ruiz Case A COMPREHENSIVE FINANCIAL PLANNING CASE Maria Ruiz recently turned age fifty. She heard about your firm from a neighbor who recommended your services...

Please help me with the following questions. 1. V Part A An experimenter adds 940 J of heat to 1.75 mol of an ideal gas to heat it from 10.0 C to 25.3 . C at constant pressure. The gas does 222 J of...

20R 1. [-/1 Points] DETAILS WAUNIPHYSAV1 20.P.002. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER (a) How long will the energy in a 187 kcal cup of yogurt last in a woman doing work at the rate of 125 W...

Displayed in Appendix 1 (conveniently divided into Tables 2-4) are the quantitative and qualitative factors for each location that Bruce had to assess in order to make his location decision. Where...

Thornton fraudulently represented to Daye that he would obtain for her a new car to be used in Dayes business for $17,800 from Pennek Motor Company. Daye thereupon executed her personal check for...

Main street apartments has 4 apartments rented at $1075/month.Laundry income of $5370 per year and 11 storage lockers rented at $30 per month. The vacancy rate is 1.6%. What is the effective gross...

Which of the following items is NOT typically adjusted for in the indirect method of cash flow forecasting? Depreciation and amortization expenses Gains or losses from the sale of fixed assets...

A mix of particles starts with equal numbers of the three types of sigma particles listed in Table 39.1. Find the relative portion of each after(a) 5x10 -20? s ?(b) 5x10 -10 s. Give your answer in a...

Describe a nonrecursive algorithm for enumerating all permutations of the numbers {1,2, . . . ,n} using an explicit stack.

Given the following functions F(s), find f (t). F(s) = s2 + 5s + 4 / (s + 2) (s + 4) (s + 6) F(s) = (s + 3) (s + 6) / s (s2 + 8s + 12)

Add an iterator to the search tree. Write a class called SearchTreeIterator that has the methods that follow for iterating over a binary tree. You will also need to modify the tree nodes to store...

A federal report finds that lie detector tests given to truthful persons have probability 0.2 of suggesting that the person is deceptive.11 A company asks 12 job applicants about thefts from previous...

Factorise each of the following expressions completely. (a) a ^ 2 + 13a + 36 (b) b ^ 2 - 15b + 56 (C) c ^ 2 + 14c - 51 (d) dP - 12d - 45

a. Using this information, compute the March 31 (1) deposits in transit and (2) checks outstanding. Deposits in transit $ Checks outstanding b. Prepare a bank reconciliation for March. - Note: Use...

16. An annual report contains a great many statements and reports. Which one of the following statements/reports is not covered either by statute or by accounting standards? Ariedis way Bcash flow me...

can you show how you got the answer You are considering making a movie. The movie is expected to cost $10.3 million up front and take a year to produce. After that, it is expected to make $4.4...