Problem 1 (5 marks) A viscous damper consists of a piston in a cylinder containing oil of viscosity 0.38 Ns/m as a damping fluid. The length of the piston is 100 mm and it has four 6 mm holes between its faces. If the damping constant is required to be 26 kN.s/m, find the piston diameter. Hint: velocity of laminar flow in a duct is given by

| April 14, 2018

Problem 1 (5 marks) A viscous damper consists of a piston in a cylinder containing oil of viscosity 0.38 Ns/m as a damping fluid. The length of the piston is 100 mm and it has four 6 mm holes between its faces. If the damping constant is required to be 26 kN.s/m, find the piston diameter. Hint: velocity of laminar flow in a duct is given by

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