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Problem#4 A very long-frame grain dryer is built with cross-section of an isosceles triangle with the dimensions shown below. For solar heating, the right opaque side is exposed to the sun, the left side is insulated. At a particular time, the conditions for the inside surfaces of the dryer are as shown in the diagram. a. Solve for F31, F13, F21, F12 (using symmetry, reciprocity, and summation) b. What will be the floor temperature T3 (K)? c. What will be the temperature of the insulated wall T₂? For part b and part c, use thermal network resistance method (for radiation). Surface L(m) T(K) q"(W/m2) E 1 5 450 1.0 2 5 0 0.623 3 3.5 -600 0.35

Problem#4 A very long-frame grain dryer is built with cross-section of an isosceles triangle with the dimensions shown below. For solar heating, the right opaque side is exposed to the sun, the left side is insulated. At a particular time, the conditions for the inside surfaces of the dryer are as shown in the diagram. a. Solve for F31, F13, F21, F12 (using symmetry, reciprocity, and summation) b. What will be the floor temperature T3 (K)? c. What will be the temperature of the insulated wall T₂? For part b and part c, use thermal network resistance method (for radiation). Surface L(m) T(K) q"(W/m2) E 1 5 450 1.0 2 5 0 0.623 3 3.5 -600 0.35

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter3: Transient Heat Conduction
Section: Chapter Questions
Problem 3.4P
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Please answer all parts with part b and c
Problem#4 A very long-frame grain dryer is built with cross-section of an isosceles triangle with the dimensions shown below. For solar heating, the right opaque side is exposed to the sun, the left side is insulated. At a particular time, the conditions for the inside surfaces of the dryer are as shown in the diagram. a. Solve for F31, F13, F21, F12 (using symmetry, reciprocity, and summation) b. What will be the floor temperature T3 (K)? c. What will be the temperature of the insulated wall T₂? For part b and part c, use thermal network resistance method (for radiation). Surface L(m) T(K) q"(W/m2) E 1 5 450 1.0 2 5 0 0.623 3 3.5 -600 0.35
Transcribed Image Text:Problem#4 A very long-frame grain dryer is built with cross-section of an isosceles triangle with the dimensions shown below. For solar heating, the right opaque side is exposed to the sun, the left side is insulated. At a particular time, the conditions for the inside surfaces of the dryer are as shown in the diagram. a. Solve for F31, F13, F21, F12 (using symmetry, reciprocity, and summation) b. What will be the floor temperature T3 (K)? c. What will be the temperature of the insulated wall T₂? For part b and part c, use thermal network resistance method (for radiation). Surface L(m) T(K) q"(W/m2) E 1 5 450 1.0 2 5 0 0.623 3 3.5 -600 0.35
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