PLASTIC FLOW ESTABLISHMENT IN TUBES A COMPARISON OF PRESSURE GRADIENT AND YIELD STRESS CHANGE EFFECTS

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Author list: Letelier MF, Siginer DA, Uribe GA, Stockle J

Publisher: AMER SOC MECHANICAL ENGINEERS

Place: NEW YORK

Publication year: 2014

Number of pages: 4

ISBN: 978-0-7918-5631-4

Languages: English-Great Britain (EN-GB)

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Abstract

The transient flow that follows an instantaneous change of yield stress of a magnetorheological(MR) fluid in round tubes is analyzed by an exact analytical method. The time required to establish steady flow of MR fluids after a sudden yield stress change as well as for combinations of step-change in the pressure gradient and yield stress is determined.

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