(b) A 90° elbow in a horizontal pipe is used to direct water flow upward at a rate of 40 kg/s, as shown in the Figure 2. The diameter of the entire elbow is 10 cm. The elbow discharges water into the atmosphere, and thus the pressure at the exit is the local atmospheric pressure. The elevation difference between the centres of the exit and the inlet of the elbow is 50 cm. The weight of the elbow and the water in it is considered to be negligible. i) Draw an appropriate control volume for the flow and state all your assumptions clearly. ii) Determine the gage pressure at the centre of the inlet of the elbow iii) Determine the anchoring force needed to hold the elbow in place

(b) A 90° elbow in a horizontal pipe is used to direct water flow upward at a rate of 40 kg/s, as shown in the Figure 2. The diameter of the entire elbow is 10 cm. The elbow discharges water into the atmosphere, and thus the pressure at the exit is the local atmospheric pressure. The elevation difference between the centres of the exit and the inlet of the elbow is 50 cm. The weight of the elbow and the water in it is considered to be negligible. i) Draw an appropriate control volume for the flow and state all your assumptions clearly. ii) Determine the gage pressure at the centre of the inlet of the elbow iii) Determine the anchoring force needed to hold the elbow in place

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

(b) A 90° elbow in a horizontal pipe is used to direct water flow upward at a rate of 40 kg/s,
as shown in the Figure 2. The diameter of the entire elbow is 10 cm. The elbow discharges
water into the atmosphere, and thus the pressure at the exit is the local atmospheric
pressure. The elevation difference between the centres of the exit and the inlet of the elbow
is 50 cm. The weight of the elbow and the water in it is considered to be negligible.
i)
Draw an appropriate control volume for the flow and state all your assumptions
clearly.
ii)
Determine the gage pressure at the centre of the inlet of the elbow
iii)
Determine the anchoring force needed to hold the elbow in place
50 cm
Water
40 kg/s
Figure 2

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