A 100 mm diameter orifice discharges 0.0446 m³ /s under a head of 2.75 m. A flat plate head held norml to the jet downstream from the vena contracta requires a force of 320 N to resist impact of the jet. Find the value of coefficient of velocity, Cy. а. b. Find the value of the coefficient of contraction, C.. С. Calculate the area of the jet at the vena contrecta. V = Cy /2gh & C = CcCy & Q = C A V2GH h=2.75m R=320
A 100 mm diameter orifice discharges 0.0446 m³ /s under a head of 2.75 m. A flat plate head held norml to the jet downstream from the vena contracta requires a force of 320 N to resist impact of the jet. Find the value of coefficient of velocity, Cy. а. b. Find the value of the coefficient of contraction, C.. С. Calculate the area of the jet at the vena contrecta. V = Cy /2gh & C = CcCy & Q = C A V2GH h=2.75m R=320
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A 100 mm diameter orifice discharges 0.0446 m³ /s under a head of 2.75 m. A flat plate head held norml to the jet
downstream from the vena contracta requires a force of 320 N to resist impact of the jet.
Find the value of coefficient of velocity, Cy.
а.
b. Find the value of the coefficient of contraction, C..
С.
Calculate the area of the jet at the vena contrecta.
V = Cy /2gh & C = CcCy & Q = C A V2GH
h=2.75m
R=320
LL
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