Results 141 to 150 of about 107,651 (313)
Simulation Model and Ultrasound Study for Engineering Interfaces [PDF]
Friction and wear are experienced both in terms of machine operation and finance. They impact, amongst other things, energy consumption and material loss, product manufacture and component maintenance.
Zhu, Juanjuan
core
3D conductive frameworks can maintain continuous electron transport, mechanical stability, and interfacial integrity, helping next‐generation batteries operate more efficiently. This Review examines their relevance to Si anodes, all‐solid‐state batteries, and dry‐processed electrodes, and highlights bio‐derived carbons as sustainable, structurally ...
SeoYoung Ha +5 more
wiley +1 more source
Numerical Simulation of Two-Phase Flow Pattern of Supercritical Carbon Dioxide With PAG-Type Lubricating Oil in Gas Cooler [PDF]
It has been reported that lubricating oil has a significant influence on the cooling heat transfer of supercritical carbon dioxide. In this study, numerical analysis of the flow pattern of a carbon dioxide (CO2)-oil mixture in a gas cooler was conducted ...
Dang, Chaobin +2 more
core +1 more source
Influence of Carbon Nanoparticles on Electrically Induced Wear of Grease‐Lubricated Steels
When an electric current enters a pair of rubbing surfaces, enormous damage takes place. In this research, how such damage occurs in the presence of protective grease and the mitigation with added carbon nanoparticles, were investigated. It was discovered that those particles regulate transport and interfacial electrical stability of the grease ...
Mohammad Humaun Kabir +6 more
wiley +1 more source
Study on the leakage mechanism of the valve plate pair of internal curve hydraulic motor
The leakage of the valve plate pair of the internal curve hydraulic motor significantly affects its volumetric efficiency and machine performance; however, its leakage mechanism is unclear.
Wei Ma +5 more
doaj +1 more source
Hong Kong cinema 1982-2002 : the quest for identity during transition [PDF]
Electronic redacted version excludes material for which permission has not been granted by the rights holderThis thesis seeks to interpret the cinematic representations of Hong Kongers’ identity quest during a transitional state/stage related to the ...
Cheung, Wai Yee Ruby
core
Facet‐Specific PbS Quantum Dot Passivation Using Halide Perovskites for SWIR Photodetectors
PbS quantum dots (QDs) are emerging as powerful short‐wave infrared photodetectors, yet the passivation mechanism of large QDs by perovskites ‐ critical for their stability ‐ remains unexplained. Here, we unveil the ligand structure of CH3NH3PbI3 (MAPI)‐passivated 4‐nm PbS QDs using FTIR, XPS, SEM, NMR, and DFT.
L. Paillardet +13 more
wiley +1 more source
Load Carrying Capacity Analysis of Helicoidal Surface Thrust Bearing
The different structural helicoidal surface thrust bearing lubrication models is built and calculated with FLUENT to analyze the effects of the thickness of the oil film,pitch of the helicoidal surface and angular speed on load capacity of the thrust ...
Zhang Wentao +2 more
doaj
Condition Monitoring of Helical Gears Using Acoustic Emission (AE) Technology [PDF]
Techniques such as vibration monitoring, thermal analysis and oil analysis are well established as means to have been used to improve reliability of gearboxes and extend time-to-failure.
Hamel, Mhmod A. A.
core
This study investigates friction and wear of AISI 52100 steel under dry sliding in CO2, air, and N2 atmospheres, with and without contact electrification. CO2 forms a stable carbon‐rich tribofilm that reduces friction by ∼30% and wear by ∼85%. High‐resolution TEM, EELS, and molecular dynamics reveal pressure‐dependent lubrication mechanisms, showing ...
Julio A. Cao‐Romero‐Gallegos +6 more
wiley +1 more source

