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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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:-

  1. The power produced at the drum (P).
  2. The torque requirement for the blower to operate (Tblower) and power generation (Pblower)
  3. The overall efficiency transmission of the gear system, hO.
  4. 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%

0=1.0 m
Drum V
8
区
区
7
D
E
図
m=400 kg
図図G
3
Blower
5
区図C
区図F
2
区区A
図図B
Motor
区
Transcribed Image Text:0=1.0 m Drum V 8 区 区 7 D E 図 m=400 kg 図図G 3 Blower 5 区図C 区図F 2 区区A 図図B Motor 区
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