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Bonfring International Journal of Industrial Engineering and Management Science

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Hydraulic Actuator Systems with Non-Newtonian Working Fluid

M. Fazil Ahamed and Sriram Chauhan


Abstract:

The principle objective of this paper is to analyse the behaviour of hydraulic actuator systems with non‐Newtonian working fluid. Non‐Newtonian fluids have viscosity levels that depend upon the shear rate or shear rate history. The relation between the shear stress and the shear rate is different in the case of non‐Newtonian fluid, even it is time‐dependent, and where as in Newtonian fluid the relation is linear. Hydraulic actuator systems, which is used in various industrial process control and in many other applications, use hydraulic pressure to move an output member. The rate of movement of the output member can be controlled by selecting appropriate non‐Newtonian working fluid with required shear rate ? shear stress behaviour to improve the efficiency of system. Due to the enormous existing levels in the usage of Hydraulic actuator systems in the field of science and engineering, an improvement in the control and accuracy of these systems can have a great positive impact on the present and future applications in terms of safety and practicality, and also provides a better scope for further development.

Keywords: Pascal?s Law, Hydraulic Fluid, Hydraulic Actuator, Newtonian Fluid, Non-Newtonian Fluid.

Volume: 6 | Issue: 4

Pages: 135-139

Issue Date: October , 2016

DOI: 10.9756/BIJIEMS.7575

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