A cylindrical tank of height 2 m with a cross sectional area of 0.5 m 2 contains
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A cylindrical tank of height 2 m with a cross sectional area of 0.5 m2 contains hot water at 80◦C, 125 kPa. It is in a room with temperature T0 = 20◦C, so it slowly loses energy to the room air proportional to the temperature difference as Qloss=CA(T − T0) with the tank surface area, A, and C is a constant. For different values of the constant C, estimate the time it takes to bring the water to 50◦C. Make enough simplifying assumptions so that you can solve the problem mathematically, that is find a formula for T(t).
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Related Book For
Fundamentals Of Thermodynamics
ISBN: 9781118131992
8th Edition
Authors: Claus Borgnakke, Richard E. Sonntag
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