Results 11 to 20 of about 1,197,972 (269)

An Experimental Investigation of Hydrodynamic Journal Bearing with Different Oil Grades [PDF]

open access: yesPort Said Engineering Research Journal, 2019
Journal bearings are known to be intrinsic components in different marine applications. They are regarded as the most instrumental means by which large loads could be transmitted at mean speed of rotation.
Nour Marey
doaj   +1 more source

Heat transfer study in the exploitation of argillaceous‐silt natural gas hydrate reservoirs

open access: yesEnergy Science & Engineering, 2023
The paper investigates the heat transfer in the exploitation of offshore argillaceous‐silt natural gas hydrate reservoirs considering sand control. The temperature prediction model is established in this investigation.
Shuxian Jiang   +5 more
doaj   +1 more source

Distribution of Plantar Pressure in Soccer Players [PDF]

open access: yesInternational Journal of Environmental Research and Public Health, 2021
(1) Background: The aim of this study was to evaluate differences in the static and dynamic distribution of foot pressure on the ground and to investigate the relationships between body mass index (BMI) and mean variables of plantar pressure between soccer players and their non-athlete peers.
Arletta Hawrylak   +2 more
openaire   +2 more sources

Evaluation of pressure distribution around the High-pressure gates using ANFIS [PDF]

open access: yesJournal of Hydraulic Structures
The bottom outlet is essential for dams, controlling reservoir water volume, managing downstream flow, and discharging sediment. Understanding pressure distribution around the high-pressure gate is crucial for assessing risks like cavitation, vibrations,
Hamidreza Sajadi   +2 more
doaj   +1 more source

Research on flow characteristics of aerostatic circular thrust bearing

open access: yesThe Journal of Engineering, 2018
In order to improve the pressure distribution, the aerostatic circular thrust bearing with single supply hole was studied. In the computational fluid dynamics (CFD) simulation, the laminar model, the turbulent model, the mixture model of laminar and ...
Hechun Yu   +4 more
doaj   +1 more source

Gas Flow Simulation in the Working Gap of Impulse Gas-Barrier Face Seal

open access: yesManagement Systems in Production Engineering, 2020
Numerical simulation method of the working process of a centrifugal unit contactless face impulse seal is proposed. A seal functioning physical model was created.
Kuznetsov Eduard   +2 more
doaj   +1 more source

Performance of a horizontal well in a bounded anisotropic reservoir: Part II: Performance analysis of well length and reservoir geometry

open access: yesOpen Engineering, 2023
Evaluation of the performance of horizontal wells is an important aspect in the enhancement of their productivity. This study provides mathematical computations, and analysis for theoretical well and reservoir considerations.
Nzomo Timothy Kitungu   +3 more
doaj   +1 more source

Development of Pant-Type Harness with Fabric Air-Pocket for Pain Relief

open access: yesApplied Sciences, 2019
Harnesses can be used in various applications, such as entertainment, rescue operations, and medical applications. Because users are supported on the harness for a long time, they should feel comfortable wearing the harnesses.
Dongwoo Nam   +3 more
doaj   +1 more source

Various Wavy Leading-Edge Protuberance on Oscillating Hydrofoil Power Performance [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2023
This paper is presented to compare various wavy leading-edge protuberances on oscillating hydrofoil performance and power efficiency. The unsteady turbulent 3D flow simulations were carried out by using the StarCCM+ software.
A. Abbasi   +3 more
doaj   +1 more source

Characteristics of Modified Spiral Thrust Bearing through Geometries and Dimension Modifications

open access: yesTribology Online, 2018
This research focuses on the optimum design of fluid dynamic bearing (FDB) named modified spiral design. The objective is to improve the pressure and velocity distribution inside the FDB.
Mohd Danial Ibrahim   +6 more
doaj   +1 more source

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