Results 1 to 10 of about 733,717 (305)

An Analysis of Starved EHL Point Contacts with Reflow

open access: yesTribology Online, 2015
In the starved lubrication regime, the film thickness can be much less than the fully flooded film thickness. The film thickness reduction is related to the inlet meniscus distance.
Takashi Nogi
doaj   +1 more source

Acoustic measurement of lubricant-film thickness distribution in ball bearings [PDF]

open access: yes, 2006
An oil-film thickness monitoring system capable of providing an early warning of lubrication failure in rolling element bearings has been developed. The system is used to measure the lubricant-film thickness in a conventional deep groove ball bearing ...
Bruce W. Drinkwater   +7 more
core   +1 more source

Microscopy-based approach for measuring asphalt film thickness and its impact on hot-mix asphalt performance

open access: yesCase Studies in Construction Materials, 2023
The thickness of the asphalt binder’s film surrounding the aggregate particles in Hot-Mix Asphalt (HMA) plays a significant role in the durability of the pavement.
Ghazi Al-Khateeb   +3 more
doaj   +1 more source

Film forming behavior in thin film lubrication at high speeds

open access: yesFriction, 2017
The film forming condition may transit into thin film lubrication (TFL) at high speeds when it is under severe starvation. Central film thicknesses and film thickness profiles are obtained via a technique of relative optical interference intensity. These
He Liang, Dan Guo, Jianbin Luo
doaj   +1 more source

Measurement of liquid film thickness during coalescence of colliding twin bubbles applying laser extinction method

open access: yesNihon Kikai Gakkai ronbunshu, 2014
Despite intensive investigations on bubble dynamics, many unknown items are remained concerning bubble coalescence. The objective of the study is to investigate experimentally the characteristics of formation, temporal change in thickness distribution ...
Takayuki MOROKUMA, Yoshio UTAKA
doaj   +1 more source

Study on Factors Influencing Film Formation of Grease and Calculation Model for Grease Film Thickness

open access: yesLubricants, 2022
The grease film thickness was measured in fully flooded elastohydrodynamic lubrication, and the influence of rolling speed, load, consistency, base oil type and thickener type on grease film thickness was analyzed. A new calculation model for grease film
Zhe Zhang   +3 more
doaj   +1 more source

Casimir force calculations near the insulator-conductor transition in gold thin films [PDF]

open access: yes, 2008
We present theoretical calculations of the Casimir force for Au thin films near the insulator-conductor transition that has been observed experimentally. The dielectric function of the Au thin films is described by the Drude-Smith model.
E. M. Lifshitz   +8 more
core   +1 more source

Polymer Thick-Film Sensors: Possibilities For Smartcard Biometrics [PDF]

open access: yes, 2018
The potential of polymer thick-film sensors are assessed for use as biometric sensors on smartcards. Piezoelectric and piezo-resistive sensors have been printed on flexible polyester, then bonded to smartcard blanks. The tactile interaction of a person with these sensors has been investigated.
Henderson, Neil J.   +3 more
openaire   +3 more sources

Oil Film Formation of Reciprocating Seals Observed by Interferometry

open access: yesTribology Online, 2014
Oil film thickness in rubber piston seals is measured by interferometry. Optimized optics and fluids enable clear interferograms. The oil film thickness on the contact area is measured during reciprocating motion.
Kenichi Yoshimura   +2 more
doaj   +1 more source

Analysis of the Flow Characteristics of the Liquid Film on the Wall Surface of the Corrugated Plate Dryer Based on PSD Method: A Short Communication

open access: yesFrontiers in Energy Research, 2020
Corrugated plate dryer is an important steam-water separation equipment in steam generator of secondary loop of nuclear power plant. Its steam-water separation efficiency has a certain influence on economic index of nuclear power plants. It is meaningful
Bo Wang   +7 more
doaj   +1 more source

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