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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Use the python Code for solving the following engineering problem:
Part 1) The motor shaft A exerts a constant torque of 100 N-m and is geared to shaft B .The moments of inertia of the parts attached to the motor shaft A is 2 kg-m2 and that of the parts attached to other shaft B is 32 kg-m2.
Find the gear ratio which gives the maximum angular acceleration of shaft B and the corresponding angular acceleration of each shaft.
Part 2)
A motor vehicle of total mass 1500 kg has road wheels of 600 mm effective diameter. The effective moment of inertia of the four road wheels and of the rear axle together is 8 kg-m2 while that of the engine and flywheels is 1 kg-m2. The transmission efficiency is 85% and a tractive resistance at a speed of 24 km/h is 300 N. The total available engine torque is 200 N-m. Determine :
1. Gear ratio, engine to back axle, to provide maximum acceleration on an upgrade whose
sine is 0.25, when travelling at 24 km/h,
2. The value of this maximum acceleration, and
3. The speed and power of the engine under these conditions.
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