fff ! labs_all.pdf а 26% 09:21 2 Chapter 1 Vibration Isolation for I A company has developed a vibration isolation sys- tem for the use on the back of heavy truck cabs. These cabs are pivoted with stiff mounts on the fronts and the vibration isolators are located at the left and right hand side of the cab at the rear. The isolators consists of fluid filled displacers (piston/cylinder devices) attached by a fluid filled tube (with an orifice) to an air com- pressed accumulator tank. The displacers are about 10 cm in diameter and the tube is about 2.5 cm in diameter. ☐ - f f f @ LTE 27% 09:21 fluence of gravity on the cab and the isolation system, e.g. Vi, is the only inpu accumulator tank behaves like a standard tank and you can deno its fluid capa labs_all.pdf 3 Velocity: v Truck cab Mass: m Upper piston Displacer Air Length: 1 Cylinder C₤ Cross section area: A Tube Density: p Cross section area: a Orifice Flow resistance: R f Lower piston Velocity: V1 Damper R Wheel Velocity: Vin Figure 1.1: Vibration isolation system. mics can be disregarded ☐