As seen in the figure, the vacuum pump provides air flow in an insulated pipe with a cross section of 45.7 mm2. The air moves along a straight line in a room with a pressure of 100,57 kPa and a temperature of 25,7 oC. If the pressure in section 1 is 98,57 kPa and the temperature in section 2 is 15,7 oC; This is Fanno flow.i) Calculate mass flow rate,ii) Calculate at section 1, flow velocity U1, density, Mach number Ma1, Re, f valuesiii) Calculate at section 2, find the stopping pressure and temperature, Mach number Ma2, U2 velocity, density, mass flow rateiv) Calculate friction coefficient and force on the channel walls between section 1 and 2. Solve the problem by making the necessary assumptions.v) Calculate L1-2 pipe length

Given data, Calculating Mach Number at section using the given relationship: - Hence, the Mach…

Answered: As seen in the figure, the vacuum pump…

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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As seen in the figure, the vacuum pump provides air flow in an insulated pipe with a cross section of 45.7 mm². The air moves along a straight line in a room with a pressure of 100,57 kPa and a temperature of 25,7 ^oC. If the pressure in section 1 is 98,57 kPa and the temperature in section 2 is 15,7 ^oC; This is Fanno flow.

i) Calculate mass flow rate,
ii) Calculate at section 1, flow velocity U₁, density, Mach number Ma₁, Re, f values

iii) Calculate at section 2, find the stopping pressure and temperature, Mach number Ma₂, U₂ velocity, density, mass flow rate

iv) Calculate friction coefficient and force on the channel walls between section 1 and 2. Solve the problem by making the necessary assumptions.
v) Calculate L_1-2 pipe length

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