7. A polytripic process of air from 150 psia, 300 deg F, and 1 ft³ occurs to P2 = 20 psia. The process has a polytropic index of 1.3 . Prove that: a. t2 = 17.4 deg F and 4.711 cu. ft; b. - du = 25.81 BTU, - dH = 36.14 BTU, and dS = 0.0141 BTU/R ; c. S pdV = 34.41 BTU and -ſ pdV = 44.73 BTU ; and d. Ws = 44.73 BTU for dKE = 0. %3D %3D

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

How can I get the solutions for this problem? (answers are given)

7.) A polytropic process of air from 150 psia, 300 deg F, and 1 ft3 occurs to P2 = 20 psia. The process has a polytropic index of 1.3. Prove that:

a. t2 = 17.4 deg F and 4.711 cu. ft;

b. - du = 25.81 BTU, - dH = 36.14 BTU, and dS = 0.0141 BTU/R ;

c. S pdV = 34.41 BTU and -S pdV = 44.73 BTU ; and

d. Ws = 44.73 BTU for dKE = 0.

7. A polytripic process of air from 150 psia, 300 deg F, and 1 ft3 occurs to P2 = 20 psia. The
process has a polytropic index of 1.3 . Prove that:
a. t2 = 17.4 deg F and 4.711 cu. ft;
b. - du = 25.81 BTU, - dH = 36.14 BTU, and dS = 0.0141 BTU/R ;
c. SpdV = 34. 41 BTU and -S pdV = 44. 73 BTU ; and
d. Ws = 44.73 BTU for dKE = 0.
Transcribed Image Text:7. A polytripic process of air from 150 psia, 300 deg F, and 1 ft3 occurs to P2 = 20 psia. The process has a polytropic index of 1.3 . Prove that: a. t2 = 17.4 deg F and 4.711 cu. ft; b. - du = 25.81 BTU, - dH = 36.14 BTU, and dS = 0.0141 BTU/R ; c. SpdV = 34. 41 BTU and -S pdV = 44. 73 BTU ; and d. Ws = 44.73 BTU for dKE = 0.
Expert Solution
steps

Step by step

Solved in 4 steps

Blurred answer
Knowledge Booster
Work and Heat
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
  • 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
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