One person can serve a quick drink of 5 cm diameter and 12 cm high cans for their guests. put it in the deep freezer at –20 °C in order to cool it. 25 °C initially The heat transfer coefficient on the box surface at a uniform temperature is 15 W/m².°C. Physical beverage can properties of ρ=840 kg/m3 , taking cp=3.81 kJ/kg.°C, k=0.75 W/m.°C and α=1.3x10⁻⁷ m²/s as the center the time required for the temperature to reach 5 °C and the maximum amount of heat transferred. calculate.
One person can serve a quick drink of 5 cm diameter and 12 cm high cans for their guests. put it in the deep freezer at –20 °C in order to cool it. 25 °C initially The heat transfer coefficient on the box surface at a uniform temperature is 15 W/m².°C. Physical beverage can properties of ρ=840 kg/m3 , taking cp=3.81 kJ/kg.°C, k=0.75 W/m.°C and α=1.3x10⁻⁷ m²/s as the center the time required for the temperature to reach 5 °C and the maximum amount of heat transferred. calculate.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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One person can serve a quick drink of 5 cm diameter and 12 cm high cans for their guests.
put it in the deep freezer at –20 °C in order to cool it. 25 °C initially
The heat transfer coefficient on the box surface at a uniform temperature is 15 W/m².°C. Physical beverage can
properties of ρ=840 kg/m3
, taking cp=3.81 kJ/kg.°C, k=0.75 W/m.°C and α=1.3x10⁻⁷ m²/s as the center
the time required for the temperature to reach 5 °C and the maximum amount of heat transferred.
calculate.
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