Question
Download Solution PDFCoefficient of discharge (Cd) of a flow - measuring device is defined as the _________.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Coefficient of Velocity(Cv) is defined as the ratio between the actual velocity of a jet of liquid at vena-contracta and the theoretical velocity of the jet.
\({C_v} = \frac{V}{{\sqrt {2gH} }}\)
Co-efficient of contraction(Cc) is defined as the ratio of the area of the jet at vena-contracta to the area of the orifice.
\({C_c} = \frac{{{a_c}}}{a}\)
Co-efficient of Discharge (Cd) is defined as the ratio of the actual discharge from an orifice to the theoretical discharge from the orifice.
By the relation
Cd = Cc × Cv
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