Answered: Determine the maximum possible thermal… | bartleby

Elements Of Electromagnetics

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Related questions

Question

Practice Pack

The Ocean Thermal Energy Conversion (OTEC)
system in Hawali utilizes the surface water and
deep water as thermal energy reservoirs Assume
the ocean lemperature at the surface to be 20 "C
and at some depth to be 6 C
Determine the maximum possible thermal efficiency achievable by a heat engine.
Express the thermal efficiency as a percentage to three significant figures.
Thh = 478 %
Previous Answers
V Correct

Expert Solution

Learn your way

Includes step-by-step video

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

A Carnot heat engine operates between 840oC and 5oC and rejects 580 kJ/kg of heat to the low temperature reservoir. Determine the thermal efficiency of the engine and the work produced by the engine. please provide readable.
A food compartment is to be maintained at 21°C by a refrigeration system. The total cooling load of the food compartment is estimated to be 330 kJ/h and the heat rejection by the condenser is 480 kJ/h. The outdoor air temperature is 35°C. draw the schematic diagram of the refrigeration system determine the power input required to operate the refrigeration system in kW.
Describe how a heat engine operates and sketch a diagram showing the main elements of this system.
b) On a winter day when the average outdoor temperature remains at about 4°C, the house is estimated to lose heat at a rate of 62,000 kJ/h. For this reason a Carnot heat pump is used to heat a house and maintain it at 23°C. If the heat pump consumes 6 kW of power while operating, determine (a) how long the hecat pump ran on that day: (b) the amount of heat removed from surounding (Q.); and (c) the total heating costs, assuming an average price of 6.5¢/kWh for electricity (d) the heating cost for the day if res istance heating is used instead of a heat pump assuming an average price of 6.5¢/kWh for clectricity.
A heat engine having an efficiency of 70% is used to drive a refrigerator having acoefficient of performance of 5 .The energy absorbed from low temperature reservoir by therefrigerator for each KJ of energy absorbed from high temperature source by the engine is
A typical 200-m2 house can be cooled adequately by a 3.5-ton air conditioner whose COP is 4.0. Determine the rate of heat gain of the house when the air conditioner is running continuously to maintain a constant temperature in the house.
A heat engine is operating on a Carnot cycle and has a thermal efficiency of 59.41 percent. The waste heat from this engine is rejected to a nearby lake at 62.67 F at a rate of 809.32 Btu/min. Determine the temperature (R) of the source. (Use 2 decimal places for the final answer.)
2. What is the highest possible theoretical efficiency of a heat engine operating with a hot reservoir of furnace gases at 2000°C when the cooling water available is at 10°C?
A heat engine having an efficiency of 60% is used to drive a refrigerator having a coefficient of performance of 3. The energy absorbed from low temperature reservoir by the refrigerator for each kJ of energy absorbed from high- temperature source by the engine.
5. Consider a building whose annual air-conditioning load is estimated to be 120,000 kWh in an area where the unit cost of electricity is $0.10/kwh. Two air conditioners are considered for the building. Air conditioner A has a seasonal average COP of 3.2 and costs $5500 to purchase and install. Air conditioner B has a seasonal average COP of 5.0 and costs $7000 to purchase and install. If all else are equal, determine which air conditioner is a better buy 120,000 kWh Air cond. A Air cond. B 'COP=5.0 COP 3.2 House 120,000 kWh
The heat removal rate from a refrigerated space and the power input to the compressor are 8.5kW and 1.7 respectively. The coefficient of performance of the refrigerant
* A Carnot heat engine operates between a source at 1000 K and a sink at 300 K. If the heat engine is supplied with heat at a rate of 800 kJ/min, determine the thermal efficiency 70% O 72% O 75% O 80% O

SEE MORE QUESTIONS

Recommended textbooks for you

Elements Of Electromagnetics

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Elements Of Electromagnetics

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Control Systems Engineering

Control Systems Engineering

Mechanical Engineering

ISBN:

9781118170519

Author:

Norman S. Nise

Publisher:

WILEY

Mechanics of Materials (MindTap Course List)

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

Engineering Mechanics: Statics

Engineering Mechanics: Statics

Mechanical Engineering

ISBN:

9781118807330

Author:

James L. Meriam, L. G. Kraige, J. N. Bolton

Publisher:

WILEY

SEE MORE TEXTBOOKS