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12 Cards in this Set
- Front
- Back
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Density of water |
1g/cm^3 or 1000kg/m^3 |
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Equation for weight of a volume |
Fg = pVg |
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1 atm |
1.013 x 10^5 Pa = 760 mmHg = 760torr |
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Equation for Absolute Pressure |
P = Po +pgz Po = ambient pressure (surface) z = depth |
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Gauge Pressure Equation |
Pgauge = P - Patm = (Po + pgz) - Patm When Po = Patm, then Pgauge = pgz |
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Pascal's Principle |
P = F1/A1 = F2 /A2 |
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Archimedes Principle |
Fbuoy = pfluidVfluid displacedg = pfluidVsubmergedg |
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Unit of viscosity |
Pa•s = N•sec/m^2 |
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Poiseuille's Law |
Q = πr^4∆P / 8ηL
Q = flow rate (V/t) r = radius of tube ∆P = pressure gradient η (eta) = viscosity L = length
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Critical Speed Equation |
vc = NRη / ρD D = diameter NR = Reynolds number |
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Continuity Equation |
Q = v1A1 = v2A2 Q = Flow rate v = linear speed A = cross sectional area |
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Bernoullis Equation |
P1 + 0.5ρv^2 + ρgh1 = P2 + 0.5 ρv^2 + ρgh2
P = Absolute pressure of fluid h = height above a point |
