Answered: oil (0.88) ► oil (0.88) Hg (SG=13.…

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oil (0.88) ► oil (0.88) Hg (SG=13. 320mm-

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter27: Commercial Ice Machines

Section: Chapter Questions

Problem 30RQ

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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

PROBLEM 3: A venturi meter with a throat diameter of 100 mm is fitted in a vertical pipeline of 200 mm diameter with oil of specific gravity 0.88 flowing upwards. Two pressure gauges are fitted at tapping points, one at the throat and the other in the inlet pipe 320 mm below the throat. The difference between the 2 gage pressure readings is 28 kPa.

(a) Determine the flow in m^3/s neglecting head losses.

(b) Working from Bernoulli’s equation, determine the difference in level (in millimeters) between the two limbs of a mercury manometer if it is connected to the tapping points and the connecting pipes are filled with the same oil.

oil (0.88)
* oil (0.88)
Hg (SG=13.6)
320mm-

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