CALCULATION OF RAIL IMPEDANCE OF TRACK CIRCUIT CONSIDERING EARTH STRATIFICATION


MR grease application to a controllable clutch system

Magneto-Rheological (MR) grease has been applied to a controllable clutch system, and its performance was investigated experimentally.MR fluid is known as a functional fluid whose yield shear stress can be controlled reversibly by the applied magnetic field strength.But its peculiar characteristics may change as time passes because of sedimentation

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