Awatermelon initially at 35°C is to be caoled by dropping itinto a lake at 15°C. After 4 h and 40 min of cooling the center temperature of watermelon is measured to be 20°C. Treating the watermelon 25 a 20-c-diameter sphere and using the properties k = 0.618 Wim
Awatermelon initially at 35°C is to be caoled by dropping itinto a lake at 15°C. After 4 h and 40 min of cooling the center temperature of watermelon is measured to be 20°C. Treating the watermelon 25 a 20-c-diameter sphere and using the properties k = 0.618 Wim
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Awatermelon initially at 35°C is to be caoled by dropping itinto a lake at 15°C. After 4 h and 40 min of cooling the center temperature of watermelon is measured to be 20°C. Treating the watermelon 25 a 20-c-diameter sphere and using the properties k = 0.618 Wim
![A watermelon initially at 35°C is to be cooled by dropping it into a lake at 15°C. After 4 h and 40 min of cooling, the center temperature of watermelon is measured to be 20°C.
Treating the watermelon as a 20-cm-diameter sphere and using the properties k = 0.618 W/m °C, a = 0.15 x 10-5 m2/s, p= 995 kg/m3, and c, = 4.18 kj/kg °C, determine the average
heat transfer coefficient and the surface temperature of watermelon at the end of the cooling period.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2cf26313-f21e-4caf-b5ae-6ed881b397a4%2Fba8db96c-f000-4ea7-af09-6d08b27bcfce%2F4qxpo4p_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A watermelon initially at 35°C is to be cooled by dropping it into a lake at 15°C. After 4 h and 40 min of cooling, the center temperature of watermelon is measured to be 20°C.
Treating the watermelon as a 20-cm-diameter sphere and using the properties k = 0.618 W/m °C, a = 0.15 x 10-5 m2/s, p= 995 kg/m3, and c, = 4.18 kj/kg °C, determine the average
heat transfer coefficient and the surface temperature of watermelon at the end of the cooling period.
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