Chemical Engineering Exam  >  Chemical Engineering Questions  >  For the radiation between two infinite parall... Start Learning for Free
For the radiation between two infinite parallel planes of emissivity respectively, which one of the following is the expression for emissivity factor or equivalent emissivity?
  • a)
    ε1ε2
  • b)
  • c)
  • d)
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
For the radiation between two infinite parallel planes of emissivity r...
The equivalent thermal resistance between two gray bodies is given by
Rth = 1-ε1/A1ε1+1/A1F12+1-ε2/A2ε2
Now for infinite parallel panes, F12 =1
A1 = A2 = A
For unit area, A = 1 m2
Rth = 1/ε1+1/ε2-1
Hence equivalent emissivity
Εe = 1/Rth
View all questions of this test
Most Upvoted Answer
For the radiation between two infinite parallel planes of emissivity r...
The equivalent thermal resistance between two gray bodies is given by
Rth = 1-ε1/A1ε1+1/A1F12+1-ε2/A2ε2
Now for infinite parallel panes, F12 =1
A1 = A2 = A
For unit area, A = 1 m2
Rth = 1/ε1+1/ε2-1
Hence equivalent emissivity
Εe = 1/Rth
Free Test
Community Answer
For the radiation between two infinite parallel planes of emissivity r...
The equivalent thermal resistance between two gray bodies is given by
Rth = 1-ε1/A1ε1+1/A1F12+1-ε2/A2ε2
Now for infinite parallel panes, F12 =1
A1 = A2 = A
For unit area, A = 1 m2
Rth = 1/ε1+1/ε2-1
Hence equivalent emissivity
Εe = 1/Rth
Explore Courses for Chemical Engineering exam

Similar Chemical Engineering Doubts

For the radiation between two infinite parallel planes of emissivity respectively, which one of the following is the expression for emissivity factor or equivalent emissivity?a)ε1ε2b)c)d)Correct answer is option 'D'. Can you explain this answer?
Question Description
For the radiation between two infinite parallel planes of emissivity respectively, which one of the following is the expression for emissivity factor or equivalent emissivity?a)ε1ε2b)c)d)Correct answer is option 'D'. Can you explain this answer? for Chemical Engineering 2024 is part of Chemical Engineering preparation. The Question and answers have been prepared according to the Chemical Engineering exam syllabus. Information about For the radiation between two infinite parallel planes of emissivity respectively, which one of the following is the expression for emissivity factor or equivalent emissivity?a)ε1ε2b)c)d)Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Chemical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For the radiation between two infinite parallel planes of emissivity respectively, which one of the following is the expression for emissivity factor or equivalent emissivity?a)ε1ε2b)c)d)Correct answer is option 'D'. Can you explain this answer?.
Solutions for For the radiation between two infinite parallel planes of emissivity respectively, which one of the following is the expression for emissivity factor or equivalent emissivity?a)ε1ε2b)c)d)Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Chemical Engineering. Download more important topics, notes, lectures and mock test series for Chemical Engineering Exam by signing up for free.
Here you can find the meaning of For the radiation between two infinite parallel planes of emissivity respectively, which one of the following is the expression for emissivity factor or equivalent emissivity?a)ε1ε2b)c)d)Correct answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of For the radiation between two infinite parallel planes of emissivity respectively, which one of the following is the expression for emissivity factor or equivalent emissivity?a)ε1ε2b)c)d)Correct answer is option 'D'. Can you explain this answer?, a detailed solution for For the radiation between two infinite parallel planes of emissivity respectively, which one of the following is the expression for emissivity factor or equivalent emissivity?a)ε1ε2b)c)d)Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of For the radiation between two infinite parallel planes of emissivity respectively, which one of the following is the expression for emissivity factor or equivalent emissivity?a)ε1ε2b)c)d)Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice For the radiation between two infinite parallel planes of emissivity respectively, which one of the following is the expression for emissivity factor or equivalent emissivity?a)ε1ε2b)c)d)Correct answer is option 'D'. Can you explain this answer? tests, examples and also practice Chemical Engineering tests.
Explore Courses for Chemical Engineering exam
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev