The air supply to an engine on a test bed passes down a 180 mm diameter pipe fitted with an orifice plate 90 mm diameter. The pressure drop across the orifice is 80 mm of paraffin. The coefficient of discharge of the orifice is 0.62 and the densities of air and paraffin are 1.2 kg/m and 830 kg/m³ respectively. Calculate the mass flow rate of air to the engine.

The air supply to an engine on a test bed passes down a 180 mm diameter pipe fitted with an orifice plate 90 mm diameter. The pressure drop across the orifice is 80 mm of paraffin. The coefficient of discharge of the orifice is 0.62 and the densities of air and paraffin are 1.2 kg/m and 830 kg/m³ respectively. Calculate the mass flow rate of air to the engine.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.

Question

Fluids

The air supply to an engine on a test bed passes down a 180 mm diameter
pipe fitted with an orifice plate 90 mm diameter. The pressure drop across
the orifice is 80 mm of paraffin. The coefficient of discharge of the orifice
is 0.62 and the densities of air and paraffin are 1.2 kg/m and 830 kg/m?
respectively. Calculate the mass flow rate of air to the engine.

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