A typical automobile engine Hot and cold reservoir temperature 515 K, 300 K Heat loss of cold reservoir 870 J and useful work 470 J . (1) What is the heat lost to the hot reservoir? (ii) Calculate the entropy changes in the hot reservoir, the cold reservoir, and the engine, respectively. (iii) What is the thermal efficiency of the engine? (iv) Compute the Reversible (Carnot) efficiency. Heat lost Hot reservoir qh = Entrophy change in engine s = Thermal efficiency nt = carnot efficiency nc =

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
icon
Related questions
Question
A typical automobile engine Hot and cold reservoir temperature 515 K, 300 K Heat loss of cold reservoir
870 J and useful work 470 J . (i) What is the heat lost to the hot reservoir? (ii) Calculate the entropy changes
in the hot reservoir, the cold reservoir, and the engine, respectively. (iii) What is the thermal efficiency of the
engine? (iv) Compute the Reversible (Carnot) efficiency.
Heat lost Hot reservoir qh =
Entrophy change in engine s =
Thermal efficiency nt =
carnot efficiency nc
Transcribed Image Text:A typical automobile engine Hot and cold reservoir temperature 515 K, 300 K Heat loss of cold reservoir 870 J and useful work 470 J . (i) What is the heat lost to the hot reservoir? (ii) Calculate the entropy changes in the hot reservoir, the cold reservoir, and the engine, respectively. (iii) What is the thermal efficiency of the engine? (iv) Compute the Reversible (Carnot) efficiency. Heat lost Hot reservoir qh = Entrophy change in engine s = Thermal efficiency nt = carnot efficiency nc
Expert Solution
steps

Step by step

Solved in 4 steps with 6 images

Blurred answer
Knowledge Booster
Power Plant Engineering
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.
Similar 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
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