Results 61 to 70 of about 140 (123)

重载点接触热弹流润滑中滚子表面剪应力分析

Jixie chuandong, 2008
The thermal EHL is simulated by an aviation lubricating oil HKD-1 in a point contact under heavier load and computed the shear stress distributions at a roller surface.
王燕霜, 邓四二, 王恒迪, 李云峰, 杨海生   +4 more
doaj  

Understanding the Influences of Multiscale Waviness on the Elastohydrodynamic Lubrication Performance, Part II: The Partial-Film Condition

Lubricants
This paper is the second part of a two-part report studying the responses of a typical point-contact elastohydrodynamic lubrication (EHL) system to multiscale roughness mimicked by wavy surfaces.
Yuechang Wang, Ying Liu
doaj   +1 more source

Theoretical and Experimental Investigation of a Novel Wedge-Loading Planetary Traction Drive

Machines
The development of high-speed motors has stimulated the demand for high-speed reducers. In response to the lack of research on high-speed reducers and the challenge of developing high-speed transmission systems, this study proposes a novel wedge-loading ...
Yujiang Jiang, Guangjian Wang
doaj   +1 more source

Thermoregulation in hot-dry and warm-humid heat stress during cycling among males

Frontiers in Physiology
IntroductionHot-dry (HD) and warm-humid (WH) environments with equivalent wet-bulb globe temperature (WBGT) may be expected to produce similar physiological strain; however, previous studies have reported divergent thermoregulatory and cardiovascular ...
Xiujing Zhao, Xiujing Zhao, Xiujing Zhao, Brendon P. McDermott, Brendon P. McDermott, Brendon P. McDermott, Cory L. Butts   +6 more
doaj   +1 more source

Heterogeneous Energy Harvesting Techniques for Smart Home IoT Acceleration

IEEE Access
Energy harvesting and Internet of Things (IoT) technology is being integrated with home appliances. IoT devices could harvest energy from alternative energy sources to convert the available energy from home appliances into electrical energy.
Jhansi Bharathi Madavarapu, Hasibul Islam, Ahilan Appathurai, Ghazanfar Ali Safdar, N. Muthukumaran, Jasmine Gnanamalar   +5 more
doaj   +1 more source

水润滑复合材料齿轮非稳态热弹流润滑分析

Jixie chuandong, 2013
The composite material gear is manufactured with modified PEEK materia1.The transient thermal EHL solution of composite material gear is obtained by numerical simulation analysis in water lubrication conditions.The simulation result of the composite ...
付小芯, 申立涛, 王优强
doaj  

Distributed Coordinated Operation of Active Distribution Networks with Electric Heating Loads Based on Dynamic Step Correction ADMM

Energies
In order to change the centralized operation framework of the active distribution network with electric heating loads (EHLs), a distributed optimization method is proposed for the coordinated operation of the active distribution network with EHLs ...
Shoudong Li, Guangqing Bao, Yanwen Hu
doaj   +1 more source

Thermal Tribo-Dynamic Behaviors of Water-Lubricated Bearings during Start-Up with Journal Shape Error

Lubricants
In practical scenarios, journal bearings often exhibit shape errors due to machining imperfections and operational wear. These deviations from perfect roundness can significantly impact the performance of journal bearings during start-up.
Shouan Chen, Jianlin Cai, Junfu Zhang, Zaixin Liu   +3 more
doaj   +1 more source

Analysis of Thermal Elastohydrodynamic Lubrication of Modified Gear Rack Transmission

Jixie chuandong, 2017
The elastohydrodynamic lubrication model of gear rack transmission is established,considering the gear that is modified and thermal effect,comprehensively considering the variation of equivalent radius of curvature,entrainment velocity and the ...
Xu Caihong, Wang Youqiang, Zhang Tonggang, Wang Limei   +3 more
doaj