Problem 4.48 - Problem 4.48 [Difficulty: 3] Given: Data on...

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Problem 4.48 [Difficulty: 3] Given: Data on draining of a tank Find: Depth at various times; Plot of depth versus time Solution: 0 = + CS CV A d V V d t r r ρ Basic equation Assumptions: 1) Uniform flow 2) Incompressible flow 3) Neglect air density Treating the tank as the CV the basic equation becomes t 0 y y ρ A tank d ρ V A opening + 0 = or ρ π 4 D 2 dy dt ρ π 4 d 2 V + 0 = Using V2 g y = and simplifying dy dt d D 2 2g y 1 2 = Separating variables dy y 1 2 d D 2 dt =
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This note was uploaded on 10/19/2011 for the course EGN 3353C taught by Professor Lear during the Fall '07 term at University of Florida.

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