Results 11 to 20 of about 7,014 (215)
Bearing Power Losses with Water-Containing Gear Fluids
Lubricants, 2020 Lubricants have a large influence on gearbox power losses. Recent investigations at a gear efficiency test rig have shown the high potential of water-containing gear fluids in drastically reducing load-dependent gear losses and temperatures.
Mustafa Yilmaz +3 more
doaj +1 more source
Journal of Mechanical Engineering and Sciences, 2023 The electric double layer phenomenon exists on the solid interface under the water-liquid condition. The water molecules are ionized and adhered in the interface forming the sturn layer is a diffused layer in which molecules can move with the movement of
V.B. Awati +2 more
doaj +1 more source
Mergers in the Logistics Industry: A Case Study of JD Logistics’ Acquisition of Deppon Express Using SWOT and CAR Analysis [PDF]
SHS Web of ConferencesThis study analyzes JD Logistics’ acquisition of Deppon Express using SWOT analysis and an event study to assess its financial performance. The findings show that JD Logistics expanded its market share and strengthened its presence in heavy freight and ...
Dai Shengqing, Wang Lifeng, Wang Muhan
doaj +1 more source
Neglected and Large Defect of Extensor Hallucis Longus Tendon Injuries reconstructed by Double looping with Extensor Digitorum Longus by an Improvised Surgical Method [PDF]
Journal of Orthopedics and Joint Surgery, 2023 Introduction: Laceration to the dorsum of the foot is usually associated with injury to the extensor hallucis longus (EHL) tendon. But in chronic cases or neglected EHL injuries, the patient develops EHL dysfunction causing a flexion deformity of the ...
Makesh Ram Sriraghavan +2 more
doaj +1 more source
In Situ Observation of EHL Films of Greases by Micro Infrared Spectroscopy
Tribology Online, 2019 In situ observation of lubricant films formed with greases was performed with a micro Fourier transform infrared spectrometer (FT-IR) under elastohydrodynamic lubrication (EHL) conditions between a steel ball and a single-crystal silicon disk.
Yasushi Hoshi +4 more
doaj +1 more source
Misalignment-Induced Micro-Elastohydrodynamic Lubrication in Rotary Lip Seals
Lubricants, 2020 In literature the lubrication of rotary lip seals is explained by hydrodynamic action on a microscopic scale. This theory assumes perfect concentricity between the seal and the shaft which in reality seldomly occurs.
F. Xavier Borras +2 more
doaj +1 more source
Performance of EHL Oil Film in Intermittent Motion
Tribology Online, 2018 In this paper, the variations of the squeeze elastohydrodynamic lubrication (EHL) oil film in unidirectional and bidirectional intermittent motions are investigated theoretically.
Duohuan Wu, Jing Wang, Motohiro Kaneta
doaj +1 more source
Lubricants, 2020 This paper deals with an experimental study of film thickness and friction of commercial-grade grease and its base oil in a highly loaded contact. In-situ measurements were conducted for two surface textures on a ball-on-disc optical tribometer at the ...
Tomas Zapletal +3 more
doaj +1 more source
Ehl-i Sünnet ve İmamiyye Şiasının Ehl-i Beyt Kavramına Yükledikleri Anlamlar
Cumhuriyet Üniversitesi İlahiyat Fakültesi Dergisi, 2014 Ehl-i beyt, Hz. Muhammed’in (s.a.v.) aile fertlerini ifade için kullanılmakla birlikte onun hanımlarının Ehl-i beyt’e dahil olup olmadığı konusunda Ehl-i sünnet ile İmamiyye Şîası arasında görüş ayrılığı meydana gelmiştir. İmamiyye, Hz. Muhammed (s.a.v.),
Hasan GÜMÜŞOĞLU
doaj +1 more source
Viscosity Loss in PFPE Lubricant for Space Applications under EHL Conditions
Tribology Online, 2007 An unbranched perfluoropolyether (PFPE) 815Z is the current ball bearing lubricant for space applications. Measurements of elastohydrodynamic lubrication (EHL) oil film thickness have been carried out to assess the lubricating performance of PFPE with ...
Sobahan Mia +5 more
doaj +1 more source