jljjloewen8292 jljjloewen8292

13-09-2019
Engineering

contestada

When a fluid flows through a sharp bend, low pressures may
developin localized regions of the bend. Estimate the
minimumabsolute pressure (in psi) that can develop without
causingcavitation if the fluid is water at 160 oF.

Respuesta :

klefenz klefenz

19-09-2019

Answer:

38.6 kPa.

Explanation:

Liquids cavitate when the pressure falls below their vapor pressure for the temperature they are.

Water at 160F has a vapor pressure of:

pv = 38.6 kPa

So the minimum absolute pressure that can develop without causing cavitation would be just above 38.6 kPa.

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