Help with a homework problem You have a cylindrical beverage container that has

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Help with a homework problem

You have a cylindrical beverage container that has been sitting in your hot car all day, and is now at a temperature of 50 degree C. It will now be placed into your refrigerator to cool down by natural convection. The air temperature inside your refrigerator is 4 degree C (assume P = 1 atm). Calculate whether you should place the beverage container standing upright, or laying on its side in order to cool it faster. The beverage container has a diameter of 65mm, and a height of 100mm; ignore any end effects and radiation.

Explanation / Answer

laying on its side to cool its faster to expode maximum surface area

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