Results 81 to 90 of about 4,033,948 (250)

Control moment gyro optimization study [PDF]

Control moment gyro ...
Anderson, A. F., Bertrem, C. J., Chang, K. T., Kukel, J., Mc Kee, B. F., Smith, C. S., Tarhov, S., Yarber, G. W.   +7 more
core   +1 more source

Fan Performance Analysis for Rotor Cooling of Axial Flux Permanent Magnet Machines [PDF]

, 2017
The thermal management of an Axial Flux Permanent Magnet (AFPM) machine is essential because it determines the machine’s continuous power output and reliability.
Blundell, Mike, Cirstea, Remus M., Dickison, Mike, Fawzal, A. S., Gyftakis, Konstantinos N., Woolmer, Tim J.   +5 more
core   +1 more source

Torque Measurement and Control for Electric-Assisted Bike Considering Different External Load Conditions. [PDF]

Sensors (Basel), 2023
Ho PJ, Yi CP, Lin YJ, Chung WD, Chou PH, Yang SC.   +5 more
europepmc   +1 more source

The fabrication and test of a dual spin gas bearing reaction wheel [PDF]

The design and fabrication of a dual spin gas bearing reaction wheel are discussed. Numerical analyses, data, and conclusions from performance tests are reported.
Opper, R. L., Owen, W. J.
core   +1 more source

Investigations on Spin Power Losses Generated in a Planetary Gear Set Using Thermal Network Method

Lubricants
This paper introduces an experimental approach to study the distribution of power losses in an oil jet-lubricated planetary gear set, with the aim of increasing the efficiency of these gearboxes.
Marie Winger, Yann Marchesse, Thomas Touret, Christophe Changenet, Fabrice Ville, Patrice Gédin   +5 more
doaj   +1 more source

Quiet Clean Short-haul Experimental Engine (QCSEE) main reduction gears detailed design report [PDF]

Lightweight turbine engines with geared slower speed fans are considered. The design of two similar but different gear ratio, minimum weight, epicyclic star configuration main reduction gears for the under the wing (UTW) and over the wing (OTW) engines ...
Defeo, A., Kulina, M.
core   +1 more source

Analysis and Test of the Transmission Efficiency of Low Speed and Heavy Duty Gearbox

Jixie chuandong, 2017
Through the analysis of the influence factors on transmission efficiency of gearbox,a theoretical analysis model of gearbox transmission efficiency is set up from the power consumption,and the influences of gear meshing loss,bearing friction loss,oil ...
Li Youhua, Li Quancai, Liu Zhongming
doaj  

Operational Influence on Thermal Behavior of High-Speed Helical Gear Trains [PDF]

, 2006
An experimental effort has been conducted on an aerospace-quality helical gear train to investigate the thermal behavior of the gear system as many important operational conditions were varied.
Handschuh, Robert F., Kilmain, Charles J.   +1 more
core   +1 more source

Analysis and optimisation of windage power loss of high-speed cylindrical helical gear pair

Jixie chuandong
ObjectiveTo investigate the windage power loss of the driving gear in a helical cylindrical gearbox under the working conditions of 1 500-2 500 r/min without a shroud and with different shroud parameters at 2 000 r/min, the nephograms of velocity and ...
LIU Zehao, KANG Min, FEI Xiuguo, LIU Wei
doaj  

Influence of the Lubricant Temperature of Splashed Lubricated Worm Gearbox on Churning Power Losses

ITEGAM-JETIA
The primary goal of lubricating a worm gearbox is to encourage sliding between teeth, which lowers the coefficient of friction and regulates the temperature rise brought on by rolling and sliding friction. Due to both non-load-dependent and load-
Hardik G Chothani, D.J. Marsonia, N.N. Jadeda, S.H. Zala   +3 more
doaj   +1 more source