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Pressure Applied on Liquid in Vessel Equations and Calculator

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Vessel With Pressure Applied on Liquid Level Equations and Calculator

Vessel With Pressure Applied on Liquid Level

Preview: Vessel With Pressure Applied on Liquid Level Calculator

v = ψ [ 2 ( g H + p_u / ρ ) ]^0.5

V = ψ ε A [ 2 ( g H + p_u / ρ ) ]^0.5

Where:

v = Discharge velocity (m/s),
V = Volume of reaction (m³/sec),
A = Area of discharge opening (m²),
p_u = Excess pressure compared tp external pressure,
ρ = Density (kg/m³) (water = 997 kg/m³)
H = Depth (m),
g = Acceleration due to gravity (9.81 m/s) ,
ε = Coeffcient of contraction (ε = 0.62 for sharp edged openings and ε = 0.97 for smooth rounded openings),
ψ = Coeffcient of friction (for water ψ = 0.97)

Reference:

K. Gieck, Technische Formelsammlung, 29th edition, Gieck Verlag, Heilbronn

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