If we compute the efficiency of an Otto or diesel cycle, we get something like 60% for

Question:

If we compute the efficiency of an Otto or diesel cycle, we get something like 60% for a compression ratio of 10:1. Is a real engine efficiency close to this?

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: 9781118131992

8th Edition

Authors: Claus Borgnakke, Richard E. Sonntag

See More Books

Question Posted: Jun 19, 2021 05:43 AM

See More Questions

The efficiency of an engine is 0.21. For every 1.00 kJ of heat absorbed by the engine, how much (a) Net work is done by it and (b) Heat is released by it?
Repeat Prob. 929 for a compression ratio of 8.5. In Problem An ideal Otto cycle has a compression ratio of 10.5, takes in air at 90 kPa and 408C, and is repeated 2500 times per minute. Using constant...
Due to design changes, the efficiency of an engine increases from 0.23 to 0.42. For the same input heat |QH|, these changes increase the work done by the more efficient engine and reduce the amount...
A firm has four service centers, S1, S2, S3, and S4, which provide services to each other, as well as to three operating divisions, A, B, and C. The distribution of each service centers output as...
A CNC machining center has a programmed cycle time = 25.0 min for a certain part. The time to unload the finished part and load a starting work unit = 5.0 min. (a) If loading and unloading are done...
What nuclide undergoes nuclear fission to give barium-143, krypton-88, and three neutrons?
Multiple tissues combine to make a(n)____, a structure in the body that has a specific function.
Arrange the following items in proper balance sheet presentation: Accumulated depreciation............................. $309,000 Retained earnings.................................... 187,000...
How to calculate the interest: solve for the unknown interest rate in each of the following: present value: 181 ; Years: 5; Interest Rate rate: 11.86%; Future Value: 317. will you please show the...
The Riteway Ad Agency provides cars for its sales staff. In the past, the company has always purchased its cars from a dealer and then sold the cars after three years of use. The companys present...
A hybrid power train couples a battery/motor with an internal combustion engine. Mention a few factors that make this combination a little more efficient.
For all the gas cycles, it is assumed that the ideal compression and expansions are isentropic. This is approximated with a poly tropic process having n = k. The compression in a diesel engine leads...
How is acquired in-process research and development accounted for under U.S. GAAP?
We are working with the Black-Derman-Toy binomial tree model. Assume a constant short rate volatility each period at 20%. Construct a short rate tree given the following: r0,0 8%, and r2,0 6.4%. rij...
2. The following dialysis system is used to remove urea. The system has two raffinate flows and one permeate flow. Please do the following calculations. CKL R VRI CR C VP Cp CP CR VK2 CR2 R Note that...
After completing her MACP all courses at Yorkville University, Amanda began practicum in a small local agency that provides mental health services to nursing home residents. As part of Amanda's...
how is SSH different from Talent?
Assume that inflation is 2.4% APR, compounded monthly 1. a. You are considering purchasing a new home. Your bank offers you a 30-year fixed rate mortgage at 4.8% APR, compounded monthly. You are...
Is a taxpayer allowed to take the 121 exclusion for a vacation home that was never rented? Explain.
Sandcastles, Inc.s management has recently been looking at a proposal to purchase a new brick molding machine. With the new machine, the company would not have to buy bricks. The estimated useful...
The pK a of CH 3 NH 2 is 40, while the pK a of HCN is 9. (a) Explain this difference in acidity. (b) Can the cyanide anion (the conjugate base of HCN) be used as a base to deprotonate a terminal...
For a gas that obeys the equation of state V m = Rt/P + B(T) derive the result dB(T) = B(T) T d
What can you say about H vaporization of a liquid as the temperature approaches the critical temperature?
You are owed $ 7 , 5 0 0 to be paid in one year. Instead you are requested to accept three equal and unknown payments ( call them X ) due today, 6 months from now, and 2 . 5 years from now. What is...
Stan Smith, a portfolio manager at ABC Corporation, manages his company's defined benefit plan. The plan has been underfunded for most of the past year, and Smith is meeting with Don Denman, ABC's...
She budgeted $420,000 in software costs for the entire company, however in my prior conversations with her she had told me she thought they might be around $630,000 this year. What might have...

If we compute the efficiency of an Otto or diesel cycle, we get something like 60% for

Question:

Step by Step Answer:

Yes a real engine efficiency ...View the full answer

Fundamentals Of Thermodynamics

Students also viewed these Sciences questions