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What is the view factor for inclined parallel plates of equal width and a common edge? The width of plates to the plane of paper is b. (b >>L)
  • a)
    1 + sin α
  • b)
    1 - sin(α/2)
  • c)
    1 - sin α
  • d)
    1+ sin(α/2)
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
What is the view factor for inclined parallel plates of equal width an...
Let us imagine the rectangular gap as a surface ③. !s the energy going out of triangular gaps can be neglected, but for rectangular gap, it is quite significant
Length of side 3 = 2 ℓ sin(α/2)
∴ A3 = (2 ℓ sin α/2 x b) = 2 ℓb sin (α/2)
A1 = ℓ x b = ℓb
A2 = ℓ x b = ℓlb
As 3 is a planar surface
F33 = 0
Also F31 + F32 + F33 =1
But because of symmetric arrangement of ①
& ② with respect to ③
F31 = F32
∴ F31 = F32 = 0.5
By Reciprocity theorem
A1A13 = A3A31
F13 = ain(α/2)
F11 + F12 + F13 = 1
0 + F12 + sin (α/2) = 1
F12 = 1-sin(α/2)
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Most Upvoted Answer
What is the view factor for inclined parallel plates of equal width an...
Let us imagine the rectangular gap as a surface ③. !s the energy going out of triangular gaps can be neglected, but for rectangular gap, it is quite significant
Length of side 3 = 2 ℓ sin(α/2)
∴ A3 = (2 ℓ sin α/2 x b) = 2 ℓb sin (α/2)
A1 = ℓ x b = ℓb
A2 = ℓ x b = ℓlb
As 3 is a planar surface
F33 = 0
Also F31 + F32 + F33 =1
But because of symmetric arrangement of ①
& ② with respect to ③
F31 = F32
∴ F31 = F32 = 0.5
By Reciprocity theorem
A1A13 = A3A31
F13 = ain(α/2)
F11 + F12 + F13 = 1
0 + F12 + sin (α/2) = 1
F12 = 1-sin(α/2)
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Community Answer
What is the view factor for inclined parallel plates of equal width an...
Let us imagine the rectangular gap as a surface ③. !s the energy going out of triangular gaps can be neglected, but for rectangular gap, it is quite significant
Length of side 3 = 2 ℓ sin(α/2)
∴ A3 = (2 ℓ sin α/2 x b) = 2 ℓb sin (α/2)
A1 = ℓ x b = ℓb
A2 = ℓ x b = ℓlb
As 3 is a planar surface
F33 = 0
Also F31 + F32 + F33 =1
But because of symmetric arrangement of ①
& ② with respect to ③
F31 = F32
∴ F31 = F32 = 0.5
By Reciprocity theorem
A1A13 = A3A31
F13 = ain(α/2)
F11 + F12 + F13 = 1
0 + F12 + sin (α/2) = 1
F12 = 1-sin(α/2)
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What is the view factor for inclined parallel plates of equal width and a common edge? The width of plates to the plane of paper is b. (b >>L)a)1 + sin αb)1 - sin(α/2)c)1 - sin αd)1+ sin(α/2)Correct answer is option 'B'. Can you explain this answer? for Chemical Engineering 2025 is part of Chemical Engineering preparation. The Question and answers have been prepared according to the Chemical Engineering exam syllabus. Information about What is the view factor for inclined parallel plates of equal width and a common edge? The width of plates to the plane of paper is b. (b >>L)a)1 + sin αb)1 - sin(α/2)c)1 - sin αd)1+ sin(α/2)Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Chemical Engineering 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the view factor for inclined parallel plates of equal width and a common edge? The width of plates to the plane of paper is b. (b >>L)a)1 + sin αb)1 - sin(α/2)c)1 - sin αd)1+ sin(α/2)Correct answer is option 'B'. Can you explain this answer?.
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