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Dynamics of MachineryA cam drives a flat reciprocating follower as follows: during the first 120° rotation of the cam, the follower moves outwards through a distance of 20 mm with simple harmonic motion. The follower dwells during the next 30° of cam rotation. During the next 120° of cam rotation, the follower moves inwards with simple harmonic motion. The follower dwells for the last 90° of cam rotation. The minimum radius of the cam is 25 mm. Draw the profile of the cam.20267mPower Plant EngineeringDraw the line diagram of Brayton cycle, show cycle on P-diagram and derive expression for efficiency of Brayton cycle.20267mDynamics of MachineryIn viscous damping, the damping force is proportional to: (i) Displacement (ii) Velocity (iii) Acceleration (iv) Mass.20262mDynamics of MachineryA turning moment diagram represents the variation of: (i) Power with time (ii) Torque with crank angle (iii) Speed with time (iv) Acceleration with displacement.20262m
PreviousA cam drives a flat reciprocating follower as follows: during the first 120° rotation of the cam, the follower moves outwards through a distance of 20 mm with simple harmonic motion. The follower dwells during the next 30° of cam rotation. During the next 120° of cam rotation, the follower moves inwards with simple harmonic motion. The follower dwells for the last 90° of cam rotation. The minimum radius of the cam is 25 mm. Draw the profile of the cam.NextAn aeroplane makes a complete half circle of 50 metres radius towards left when flying at 200 km/h. The rotary engine and propeller have a mass of 400 kg with radius of gyration 300 mm. The engine runs at 2400 r.p.m. clockwise when viewed from the rear. Find the gyroscopic couple on the aircraft and state its effect. What is the effect if the aeroplane turns right instead?
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