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A new scanning slit rheometer for electro-rheological fluids
Journal article   Peer reviewed

A new scanning slit rheometer for electro-rheological fluids

S. Shin and Y. I. Cho
Review of scientific instruments, v 71(12), pp 4665-4669
Dec 2000

Abstract

A new scanning slit rheometer is presented for the rheological property measurement of electro-rheological (ER) fluids with Bingham-plastic model, based on a single measurement of liquid height variation with respect to time. The apparatus consisting mainly of an overhead reservoir, an ER slit, connecting and rising tubes, and a video camera connected to a computer is described with an experimental procedure. The present method overcomes one of the major drawbacks of the conventional viscometer, the inability to produce the yield stress of the ER fluid in an absolute zero shear rate range. The results with the present rheometer are compared with those obtained from a commercially available rheometer, indicating an excellent agreement.

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Collaboration types
Domestic collaboration
International collaboration
Web of Science research areas
Instruments & Instrumentation
Physics, Applied
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