Problem 4.25 - Hence Q 3 V 1 A 1 ⋅ V 2 A 2 ⋅ − = Q 3...

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Problem 4.25 [Difficulty: 1] Given: Data on flow through device Find: Volume flow rate at port 3 Solution: Basic equation CS V A () 0 = Assumptions: 1) Steady flow 2) Incompressible flow 3) Uniform flow Then for the box CS V A () V 1 A 1 V 2 A 2 + V 3 A 3 + = V 1 A 1 V 2 A 2 + Q 3 + = Note we assume outflow at port 3
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Unformatted text preview: Hence Q 3 V 1 A 1 ⋅ V 2 A 2 ⋅ − = Q 3 3 m s ⋅ 0.1 × m 2 ⋅ 10 m s ⋅ 0.05 × m 2 ⋅ − = Q 3 0.2 − m 3 s ⋅ = The negative sign indicates the flow at port 3 is inwards. Flow rate at port 3 is 0.2 m 3 /s inwards...
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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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