A water jet jump involves a jet cross-sectional area of 0.01 m2 , and a jet velocity of 30 m/s. The jet is surrounded by entrain
ed water. The total cross-sectional area associated with the jet and the entrained steams is 0.075 m2 . Determine the pumping rate (i.e. the entrained fluid flowrate) involved in liters/s
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Answer:
the required diameter is 0.344 m
Explanation:
given data:
flow is laminar
flow of carbon dioxide Q = 0.005 Kg/s
for flow to be laminar, Reynold's number must be less than 2300 for pipe flow and it is given as
arrange above equation for diameter
\frac{\rho Q D}{\mu A }<2300
dynamic density of carbon dioxide = 1.47× Pa sec
density of carbon dioxide is 1.83 kg/m³
D = 0.344 m