s 50 kg. Determine the anchoring force needed to hold the elbow in place. Take the momentum-flux correction factor to be 1.03 at both the inlet and outlet. Density of water ρ = 1000 kg/m3 , atmospheric pressure 101.0 kPa and g = 9.81 m/s2 . Assume steady, incompressible, frictionless and irrotational
A reducing elbow in a horizontal pipe is used to
deflect water flow by an angle ϴ = 450
from the flow
direction while accelerating it (Fig. 3). The elbow
discharges water into the atmosphere at a rate of 30
kg/s. The cross-sectional area of the elbow is 150
cm2 at the inlet and 25 cm2 at the exit. The elevation
difference between the centers of the exit and the
inlet is 40 cm. The mass of the elbow and the water
in it is 50 kg. Determine the anchoring force needed
to hold the elbow in place. Take the momentum-flux
correction factor to be 1.03 at both the inlet and
outlet. Density of water ρ = 1000 kg/m3
, atmospheric
pressure 101.0 kPa and g = 9.81 m/s2
. Assume
steady, incompressible, frictionless and irrotational
flow.
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