Water Hammer Pressure Increase Equations Formulas Calculator Inlet Pressure

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Solving for inlet pressure.

Inputs:

Conversions:

pressure increase (P)	=	=	pound/inch^2
flow velocity (V)	=	=	foot/second
upstream pipe length (L)	=	=	foot
valve closing time (t)	=	=	second

Solution:

inlet pressure (P_i)

HAS NOT BEEN CALCULATED

Other Units:

Change Equation
Select an equation to solve for a different unknown

maximum surge pressure head

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	pressure wave velocity
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	acceleration of gravity

maximum surge pressure for a fluid

	maximum surge pressure for a fluid
	pressure wave velocity
	fluid velocity change
	unit weight of fluid
	acceleration of gravity

maximum surge pressure for water

	maximum surge pressure for water
	pressure wave velocity
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water hammer pressure increase

	pressure increase
	flow velocity
	upstream pipe length
	valve closing time
	inlet pressure

References - Books:

National Resources Conservation Service. National Engineering Handbook. 1995. United States Department of Agriculture.

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