1. Water flows at a rate of 25 L/s in a horizontal pipe whose diameter increases from 6 cm to 11 cm by an enlargement section. What is the mag the pressure change, in kPa? 2. The pipe flow in the figure shows a cylindrical surge tank. At t=0, the height of water inside the tank is 30 cm. How long will it take, in secon the remainder of the tank?

1. Water flows at a rate of 25 L/s in a horizontal pipe whose diameter increases from 6 cm to 11 cm by an enlargement section. What is the mag the pressure change, in kPa? 2. The pipe flow in the figure shows a cylindrical surge tank. At t=0, the height of water inside the tank is 30 cm. How long will it take, in secon the remainder of the tank?

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

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

ONLY ROUND OFF ON THE FINAL ANSWER.
1. Water flows at a rate of 25 L/s in a horizontal pipe whose diameter increases from 6 cm to 11 cm by an enlargement section. What is the magnitude of
the pressure change, in kPa?
2. The pipe flow in the figure shows a cylindrical surge tank. At t = 0, the height of water inside the tank is 30 cm. How long will it take, in seconds, to fill
the remainder of the tank?
V₁=2.5 m/s
D=75 cm
d=12 cm
3. The ventilating fan of the bathroom of a building has a volume flow rate of 30 L/s and runs continuously. If the density of air inside is 1.20 kg/m³,
determine the mass of air, in kg, vented out in one day.
Bathroom
22°C
Fan
30 L/s
V₂=1.9 m/s
Figure 4-4.

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