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Dynamic properties of an ER fluid under shear and flow modes

✍ Scribed by Ho-Guen Lee; Seung-Bok Choi

Book ID
104313660
Publisher
Elsevier Science
Year
2002
Weight
738 KB
Volume
23
Category
Article
ISSN
0261-3069

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✦ Synopsis

This paper presents the field-dependent Bingham and response characteristics of an electro-rheological ER fluid under shear and flow modes. Two different types of electroviscometers are designed and manufactured for the shear mode and the flow mode, Ε½ . respectively. An ER fluid consisting of soluble chemical starches particles and silicone oil is made and its field-dependent yield stress is experimentally distilled at two different temperatures using the electroviscometers. Time responses of the ER fluid to step electric fields are also evaluated under two operating modes. A single-disc type ER clutch, which is operated under the shear mode, is adopted and its measured transmitted torque is compared with the predicted ones from Bingham models obtained at two different operating modes. In addition, the field-dependent damping force of a cylindrical ER damper, which is operated under the flow mode is measured and compared with the predicted ones from Bingham models obtained under both the shear and the flow modes.

πŸ“œ SIMILAR VOLUMES

Self-Consistent Brownian Dynamics Simula
Self-Consistent Brownian Dynamics Simulation of an Anisotropic Brush Under Shear Flow
✍ Alla I. Tupitsyna; Anatoly A. Darinskii; Tatiana M. Birshtein; Victor M. Amoskov πŸ“‚ Article πŸ“… 2004 πŸ› John Wiley and Sons 🌐 English βš– 218 KB

## Abstract **Summary:** The behavior of an anisotropic polymer brush under a lateral shear flow is considered in the framework of a hybrid method combining a self‐consistent field approach and Brownian dynamics simulation. It is shown that such a flow can induce the compression of an anisotropic b