angular acceleration of
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
the figure shows a motor driving a two-output transmission system. The blower requires a certain amount of force to operate since the drum rotates at an angular acceleration of 0.03 rad/s2. Determine the torque produced by a motor with a torque of 700 Nm and a speed of 1,600 rpm. following:-
- The power produced at the drum (P).
- The torque requirement for the blower to operate (Tblower) and power generation (Pblower)
- The overall efficiency transmission of the gear system, hO.
- If the speed of motor is NOT given, explain without calculation how the overall efficiency transmission of the gear system can be obtained.
Given:-
Number of gear teeth, t:-
t1=40 ; t2=200 ; t3=50 ; t4=200 ; t5=40 ; t6=120 ; t7=60 and t8=120
Equivalent mass moment of inertia, Ieq:-
Imotor,5=25 kgm2 ; I23=10 kgm2 ; Iblower,4=15 kgm2 ; I67=20 kgm2 and Idrum,8=60 kgm2
Friction torque in bearing, Fb:-
A=F=25 Nm ; I=J =20 Nm ; B=C=G=H=5 Nm and D=E=10 Nm
Efficiency of all gear mesh, ⴄ=85%
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