Results 1 to 10 of about 101,933 (140)

Experimental study on the lubrication characteristics of porous journal bearings with hydrodynamic shape forming at annular surface under sine-wave vibrated conditions (Examination into the shaft whirling behavior at pivot supported condition by measuring the time history waveform on shaft with parameter of vibrated Frequency changes)

open access: yesNihon Kikai Gakkai ronbunshu, 2018
This report describes the study on the lubrication characteristics of porous journal bearings as a DC spindle motor's bearing system made with oil impregnated sintered materials having some hydrodynamic shapes. Herring Bone (I & II), Three Lobed
Shigeru OHTSUKA   +3 more
doaj   +3 more sources

Experimental study on the lubrication characteristics of porous journal bearings with hydrodynamic shape forming at annular surface under sine-wave vibrated conditions (Examination into the shaft rotating behavior at the starting state by identifying the rotational modes with Frequency Spectrum Analysis of the time history waveform on shaft)

open access: yesNihon Kikai Gakkai ronbunshu, 2019
This report describes the study on the lubrication characteristics of porous journal bearings, which were made with oil impregnated sintered materials having some hydrodynamic shapes, to apply them for a DC Spindle Motor’s bearing system. Herring Bone (I
Shigeru OHTSUKA   +3 more
doaj   +3 more sources

Numerical Modeling of Interactions between Solitary Waves and Floating Breakwaters [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2022
In the current numerical work, a 2D wave tank has been planned to explain the shared impacts among three different solitary waves and three different floating breakwaters by applying Reynolds-Averaged Navier-Stokes models and the volume of fluid method ...
M. Tabatabaei Malazi   +2 more
doaj   +1 more source

An investigation of the induction heating forming process of hull curved plate

open access: yesZhongguo Jianchuan Yanjiu, 2021
ObjectivesA plate forming technique during ship construction will not only influence the cost and scheduling of fabrication, but also the accuracy of its formation will influence hydrodynamic performance and operating costs.MethodsIn order to cope with ...
Jiangchao WANG   +5 more
doaj   +1 more source

Sucrose monoester micelles size determined by Fluorescence Correlation Spectroscopy (FCS). [PDF]

open access: yesPLoS ONE, 2011
One of the several uses of sucrose detergents, as well as other micelle forming detergents, is the solubilization of different membrane proteins.
Susana A Sanchez   +4 more
doaj   +1 more source

Synthesis and Characterization of Chanar Gum Films

open access: yesColloids and Interfaces, 2022
New polysaccharides are being intensely studied as sources of edible materials, with potential application in food packaging systems, eco-materials and the pharmaceutical industry.
Lismet Lazo   +4 more
doaj   +1 more source

Dynamics of Stone Habitats in Coastal Waters of the Southwestern Baltic Sea (Hohwacht Bay)

open access: yesGeosciences, 2021
Cobbles and boulders on the seafloor are of high ecological value in their function as habitats for a variety of benthic species, contributing to biodiversity and productivity in marine environments.
Gitta Ann von Rönn   +5 more
doaj   +1 more source

The Mass Transfer Intensification of Combined Treatment Products [PDF]

open access: yesMATEC Web of Conferences, 2019
The paper addresses the issues, related to mass transfer of treatment products when using combined forming methods with the application of an electric field. The impact of process components upon strength characteristics of parts has been shown.
Skrygin Oleg   +2 more
doaj   +1 more source

Sacrificial gold coating enhances transport of liquid metal in pressurized fountain pen lithography

open access: yesScientific Reports, 2021
Liquid metals have attracted attention as functional components for moldable electronics, such as soft flexible connectors, wires or conductive ink. The relatively high surface tension (> 400 mN m−1) and the fact that liquid metals do not readily wet ...
Gideon I. Livshits   +6 more
doaj   +1 more source

Numerical simulation of crystallization blocking in tunnel drainage pipes based on dynamic mesh and level set

open access: yesCarsologica Sinica, 2023
The complex hydrogeological conditions in karst areas lead to frequent water seepage and water gushing disasters in tunnels, which often require supporting drainage systems to prevent and control water hazards.
Chengjun MAO   +4 more
doaj   +1 more source

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