Electric solar cells can produce power with 15 efficiency Assume a heat engine with a low temperature heat rejection at 30 61616 C driving an electric generator with 80 efficiency What should the effective high temperature in the heat engine be to have the same overall efficiency as the solar cell

Question: Electric solar cells can produce power with 15% efficiency. Assume a heat engine with a low temperature heat rejection at 30C driving an electric generator

Electric solar cells can produce power with 15% efficiency. Assume a heat engine with a low temperature heat rejection at 30C driving an electric generator with 80% efficiency. What should the effective high temperature in the heat engine be to have the same overall efficiency as the solar cell?

Step by Step Solution

★★★★★

3.32 Rating (167 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

W el Q H h cell h gen W eng h gen ... 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 (4508).docx

120 KBs Word File

Students Have Also Explored These Related Mechanical Engineering Questions!

Electric solar cells can produce power with 15% efficiency. Compare that to a heat engine driving an electric generator with 80% efficiency. What should the heat engine efficiency be to have the same...

Assume a heat engine with a given QH. Can you say anything about QL if the engine is reversible? If it is irreversible?

at home. In the developed world the household will again become an increasing focus for work, as well as for consumption, but working at home will only be for the minority. There will be a growing...

Question 1 A steam power cycle with regeneration as shown below on the T-s diagram employs a single open feedwater heater for efficiency improvement. The fluids mix with each other in an open...

Discuss the value of Hofstede's values study to managers 7. Discuss arguments for and against social responsibility. 8. List and discuss two reasons for planning. 9. Define and discuss management by...

. . . Tesla case.pdf Open in Office Q A Exhibit 1 Estimated Cost Structure for a $25,000 IC Car % of Car Price Production Materials and parts 50 Body 18 Chassis 14 Powertrain 18 Mfg & assembly cost...

FILE TOOLS VIEW 6401819_1_writing-case--4 - Word (Product Activation Failed) Financing Early Operations Musk's first entrepreneurial venture was to join up with his brother, Kimbal, and establish...

The case takes place at the end of 2016, when Tesla made the cover of Forbes Magazine as the world's most innovative company. Many skeptics point out that Tesla is not a classic low-end disruption...

ANSWER ALL QUESTIONS. WILL GIVE A GOOD RATING FOR A CORRECT ANSWERS ONLY 2-35E A spring whose spring constant is 200 lbf/in has an initial force of 100 lbf acting on it. Determine the work, in Btu,...

Answer the following questions using data from the Intel Corporation annual report in the appendix: Required: a. Find the discussion of depreciation methods used by Intel on page 695. Explain why the...

you need to do a query to fetch the data about the first call. Include the phone number, towerID and the customer details (customerID and name) on which the number was registered. Note: you may get...

What is the purpowe of a seal - owsi? A test - crow cas reveal an unition - problype. A terle tress can reveal an unknown internal phenotype. A test - crow allows a buyeder to see Mare quicaly in...

3. Consider a nuclear reactor operating with a constant power of 0.5MWt. From t=0, the reactivity was changed as given in the following figure : p(reactivity) 0.1$ 0 10 50 Assume that the delayed...

Steve and Jane Ibarra have been married for over two years. They have been trying to save for a down payment on a house, but they feel that there is never anything left over to save. They talked with...

Generate Cash Flow Statement for Wicked Good Cupcakes (WGC) Overview: In this assignment, you will be creating a cash flow statement based on the Wicked Good Cupcakes income statement and balance...

Acco unt # 140 150 141 100 Cash 110 Accounts receivable (A/R) 112 Allowance for bad debts 115 Supplies 120 Inventory Asset 130 151 142 John Inc. Trial Balance As of 12/31/21 Account Prepaid expenses...

Cullumber Company uses a periodic inventory system and reports the following for the month of June. Date Explanation Units Unit Cost Total Cost June 1 Inventory 130 $5 $ 650 12 Purchases 388 6 2,328...

11.52 An experiment was designed for the Department of Materials Science and Engineering at Virginia Tech to study hydrogen embrittlement properties based on electrolytic hydrogen pressure...

I have the correct answers listed below except for part B. Please show work for PART B. Warrants Maese Industries Inc. has warrants outstanding that permit the holders to purchase 1 share of stock...

You currently have $ 6 , 4 0 0 ( Present Value ) in an account that has an interest rate of 7 % per year compounded annually ( 1 times per year ) . You want to withdraw all your money when it reaches...

You are choosing between two projects. The cash flows for the projects are given in the following table ($ million): a. What are the IRRs of the two projects? b. If your discount rate is 5.2%, what...