What are the necessary and sufficient requirements for the two stage gearbox to mesh properly for power transmission? i) Calculate the rotating speed (nwheel or n4) and the torque Twheel or T4 on the axle of the driven wheels. Neglect power loss of the gearbox. ii) What is the speed of the Nissan Leaf car when the motor speed is at
What are the necessary and sufficient requirements for the two stage gearbox to mesh properly for power transmission? i) Calculate the rotating speed (nwheel or n4) and the torque Twheel or T4 on the axle of the driven wheels. Neglect power loss of the gearbox. ii) What is the speed of the Nissan Leaf car when the motor speed is at
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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Transcribed Image Text:Figure Q2-1 shows a schematic of the power train for 2012 Nissan Leaf
pure electric cars, which includes a two stage gearbox (a compound
train). The numbers of teeth of the gears in the gearbox are N1=N3=17,
N2=31 and N4=74. The motor speed at an engine power of P = 80 kW is
nmotor (n1) = 9,795 rpm.
N2=31 T
2012 LEAF Driveline from Motor to Axle:
17T
31T
N1=N3
=17 T
17T
74 T
-
Wheels
I N4=74 T
Motor
Figure Q2-1
What are the necessary and sufficient requirements for the two stage
gearbox to mesh properly for power transmission?
i)
Calculate the rotating speed (nwheel or n4) and the torque Twheel or T4
on the axle of the driven wheels. Neglect power loss of the gearbox.
ii)
nmotor(n1)=9,795 rpm in kilometre per hour? You may assume the
diameter of the wheels to be D = Ø600 mm.
What is the speed of the Nissan Leaf car when the motor speed is at
AXLE
AXLE
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