In this problem, the connecting rod is given a negligible mass so that it approximates a two-force member and we examine only inertial effects. Fluid forces on the piston are not considered. A pump in...


In this problem, the connecting rod is given a negligible mass so that it approximates a two-force member and we examine only inertial effects. Fluid forces on the piston are not considered. A pump in the form of an in-line slider-crank linkage has a 51-mm crank length and 96-mm connecting-rod length. Crank, connecting rod, and piston masses are 450, 1, and 1,360 grams, respectively. Mass moments of inertia are
 and
 for the crank and connecting rod, respectively (about their centers of gravity). The crank speed is a constant 95.49 rpm. Plot the angular position, angular velocity, and angular acceleration of the connecting rod. Plot the position, velocity, and acceleration of the piston. Find the maximum motor torque and power and the corresponding time and crank angle. Find the corresponding forces at either end of the connecting rod and its position, velocity, and acceleration.

Nov 17, 2021
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