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During air cooling of oranges, grapefruit, and tangelos, the heat transfer coefficient for combined convection, radiation, and evaporation for air velocities of 0.11 < V< 0.33 m/s is determined experimentally and is expressed as h = 5.05 kair Re3/D, where the diameter Dis the characteristic length. Oranges are cooled by refrigerated air at 3°C and 1 atm at a velocity of 0.3 m/s. The thermal conductivity of the orange is given to be k= 0.70 W/m-°C. The thermal conductivity and the kinematic viscosity of air at the film temperature of (Ts+ Too)/2 = (15+3)/2 = 9°C are k= 0.02431 W/m-°C and v=1.417 x 10-5 m2/s, respectively. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Air 3°C 1 atm Orange Determine the initial rate of heat transfer from a 0.04-m-diameter orange initially at 15°C with a thermal conductivity of 0.7 W/m·K. The initial rate of heat transfer is |W. 111111

During air cooling of oranges, grapefruit, and tangelos, the heat transfer coefficient for combined convection, radiation, and evaporation for air velocities of 0.11 < V< 0.33 m/s is determined experimentally and is expressed as h = 5.05 kair Re3/D, where the diameter Dis the characteristic length. Oranges are cooled by refrigerated air at 3°C and 1 atm at a velocity of 0.3 m/s. The thermal conductivity of the orange is given to be k= 0.70 W/m-°C. The thermal conductivity and the kinematic viscosity of air at the film temperature of (Ts+ Too)/2 = (15+3)/2 = 9°C are k= 0.02431 W/m-°C and v=1.417 x 10-5 m2/s, respectively. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Air 3°C 1 atm Orange Determine the initial rate of heat transfer from a 0.04-m-diameter orange initially at 15°C with a thermal conductivity of 0.7 W/m·K. The initial rate of heat transfer is |W. 111111

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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During air cooling of oranges, grapefruit, and tangelos, the heat transfer coefficient for combined convection, radiation, and evaporation for air velocities of 0.11 < V< 0.33 m/s is determined experimentally and is expressed as h = 5.05 kair Re3/D, where the diameter Dis the characteristic length. Oranges are cooled by refrigerated air at 3°C and 1 atm at a velocity of 0.3 m/s. The thermal conductivity of the orange is given to be k= 0.70 W/m-°C. The thermal conductivity and the kinematic viscosity of air at the film temperature of (Ts+ To)/2 = (15+3)/2 = 9°C are k= 0.02431 W/m-°C and v= 1.417 x 105 m2/s, respectively. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Air 3°C 1 atm Orange Determine the initial rate of heat transfer from a 0.04-m-diameter orange initially at 15°C with a thermal conductivity of 0.7 W/m ·K. The initial rate of heat transfer is W.
Transcribed Image Text:During air cooling of oranges, grapefruit, and tangelos, the heat transfer coefficient for combined convection, radiation, and evaporation for air velocities of 0.11 < V< 0.33 m/s is determined experimentally and is expressed as h = 5.05 kair Re3/D, where the diameter Dis the characteristic length. Oranges are cooled by refrigerated air at 3°C and 1 atm at a velocity of 0.3 m/s. The thermal conductivity of the orange is given to be k= 0.70 W/m-°C. The thermal conductivity and the kinematic viscosity of air at the film temperature of (Ts+ To)/2 = (15+3)/2 = 9°C are k= 0.02431 W/m-°C and v= 1.417 x 105 m2/s, respectively. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Air 3°C 1 atm Orange Determine the initial rate of heat transfer from a 0.04-m-diameter orange initially at 15°C with a thermal conductivity of 0.7 W/m ·K. The initial rate of heat transfer is W.
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