The flow rate of ammonia at 10°C (o = 624.6 kg/m3 and u = 1.697 x 10-4 kg/m-s) through a 2-cm-diameter pipe is to be measured with a 1.5-cm-diameter flow nozzle equipped with a differential pressure gage. If the gage reads a pressure

The flow rate of ammonia at 10°C (o = 624.6 kg/m3 and u = 1.697 x 10-4 kg/m-s) through a 2-cm-diameter pipe is to be measured with a 1.5-cm-diameter flow nozzle equipped with a differential pressure gage. If the gage reads a pressure

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.33P

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Fluid Dynamics

The study of the flow of gases and liquids, usually in and around solid surfaces, is known as fluid dynamics in physics and engineering. Fluid dynamics, for example, can be used to evaluate the movement of air through an airplane wing or the surface of a vehicle. It can also be used in ship design to increase the speed at which ships pass through water.

Question

The flow rate of ammonia at 10°C(o = 624.6 kg/m3 and u = 1.697 x 10-4 kg/m-s) through a 2-cm-diameter pipe is to be
measured with a 1.5-cm-diameter flow nozzle equipped with a differential pressure gage. If the gage reads a pressure
differential of 4 kPa, determine the flow rate of ammonia through the pipe, and the average flow velocity.

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