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Engineering

Mechanical Engineering

Electronic measurement module Piezoelectric frequency sensor Flow Tee-shaped vortex- shedding element

Electrical Transformers and Rotating Machines

4th Edition

ISBN:9781305494817

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter2: Magnetic Induction

Section: Chapter Questions

Problem 10RQ: What electronic component is often used to prevent large voltage spikes from being produced when the...

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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

Vortex shedding can be used to design a vortex flowmeter
(Fig. 6.34). A blunt rod stretched across the pipe sheds
vortices whose frequency is read by the sensor downstream.
Suppose the pipe diameter is 5 cm and the rod is a
cylinder of diameter 8 mm. If the sensor reads 5400 counts
per minute, estimate the volume flow rate of water in m ³ /h.
How might the meter react to other liquids?

Electronic
measurement
module
Piezoelectric
frequency
sensor
Flow
Tee-shaped
vortex-
shedding
element

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