(Solution Download) A stream of incompressible liquid moving at low speed leaves a nozzle pointed directly downward....


A stream of incompressible liquid moving at low speed leaves a nozzle pointed directly downward. Assume the speed at any cross section is uniform and neglect viscous effects. The speed and area of the jet at the nozzle exit are V0 and A0, respectively. Apply conservation of mass and the momentum equation to a differential control volume of length dz in the flow direction. Derive expressions for the variations of jet speed and area as functions of z- Evaluate the distance at which the jet area is half its original value. (Take the origin of coordinates at the nozzle exit.)

 







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