Unformatted text preview: + = Since m rate ρ Q ⋅ = and V 1 V 2 = (from continuity) W s − ρ Q ⋅ p 2 v 2 ⋅ p 1 v 1 ⋅ − ( ) ⋅ = Q p 2 p 1 − ( ) ⋅ = p 1 ρ Hg g ⋅ h ⋅ = or p 1 SG Hg ρ ⋅ g ⋅ h 1 ⋅ = p 1 26.7 − kPa ⋅ = W s Q p 1 p 2 − ( ) ⋅ = W s 5.33 − kW ⋅ = The negative sign indicates work in η W s P in = η 79.0 % ⋅ =...
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 Fall '07
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 Fluid Dynamics, Fluid Mechanics, Thermodynamics, Negative and nonnegative numbers, Pump, incompressible, centrifugal water pump

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