Q4.10) Figure 4.10 shows a flow-obstruction flowmeter with circular cross sections. The fluidis incompressible and has a constant density of p= 1250 kg/m3 when it goes through theflowmeter. The ratio of cross-sectional area A₁ to A2 is 3:1. The radius of Al is 0.04 m. Theflow coefficient Kv is 0.95. The pressure difference is measured to be Ap = 300 Pa.A₁PiP2Ap↑42A₂P3=?I. Calculate the cross-sectional area of A1 and A2.II.Find the flow volume rate for the flowmeter.III. There is another pressure tap down-stream of the flowmeter; it is measuringp3, as shown in the diagram above. Arrange p1, p2 and p3 in increasingmagnitude that is expected. (Note: there is no need to calculate the exact valuesof p1, p2 or p3, and their exact values are not needed to answer this question.)V. Briefly explain the answer in part (III). |

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Q4.10) Figure 4.10 shows a flow-obstruction flowmeter with circular cross sections. The fluid is incompressible and has a constant density of p= 1250 kg/m3 when it goes through the flowmeter. The ratio of cross-sectional area A1 to A2 is 3:1. The radius of Al is 0.04 m. The flow coefficient Ky is 0.95. The pressure difference is measured to be Ap= 300 Pa.

Q4.10) Figure 4.10 shows a flow-obstruction flowmeter with circular cross sections. The fluid is incompressible and has a constant density of p= 1250 kg/m3 when it goes through the flowmeter. The ratio of cross-sectional area A1 to A2 is 3:1. The radius of Al is 0.04 m. The flow coefficient Ky is 0.95. The pressure difference is measured to be Ap= 300 Pa.

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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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

Q4.10) Figure 4.10 shows a flow-obstruction flowmeter with circular cross sections. The fluid
is incompressible and has a constant density of p= 1250 kg/m3 when it goes through the
flowmeter. The ratio of cross-sectional area A₁ to A2 is 3:1. The radius of Al is 0.04 m. The
flow coefficient Kv is 0.95. The pressure difference is measured to be Ap = 300 Pa.
A₁
Pi
P2
Ap
↑42
A₂
P3=?
I. Calculate the cross-sectional area of A1 and A2.
II.Find the flow volume rate for the flowmeter.
III. There is another pressure tap down-stream of the flowmeter; it is measuring
p3, as shown in the diagram above. Arrange p1, p2 and p3 in increasing
magnitude that is expected. (Note: there is no need to calculate the exact values
of p1, p2 or p3, and their exact values are not needed to answer this question.)
V. Briefly explain the answer in part (III). |

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Step 1: Given data

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Step 2: (I) Calculation of the area A1 and A2

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Step 3: (II) Calculation of the flow volume rate for the flow meter

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Step 4: (III) Arrangement of the pressures p1, p2 and p3

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