Results 1 to 10 of about 10,505,009 (388)

Study on Static Characteristics of Aerostatic Bearing Based on Porous SiC Ceramic Membranes [PDF]

open access: yesMembranes, 2022
The porous aerostatic bearing is a new supporting structure that is widely used in precision and ultraprecision engineering and the aerospace and other fields. The aerostatic bearing has a good bearing capacity and static stiffness.
Xin Xiao   +6 more
doaj   +3 more sources

Static Characteristics of Pressure Control Valve [PDF]

open access: yesJournal of Mechanical Engineering, 2017
The article deals with the measurement of static characteristics of a pressure control valve. The pressure, at which the valve starts to leak oil, is adjusted by a spring.
Vykoukal Ondřej   +2 more
doaj   +3 more sources

On the Static Characteristic of Circular Disc Valve

open access: bronzeTransactions of the Japan Society of Mechanical Engineers, 1960
The relation of the lifting force and lift of a circular disc valve which over the seat, is hereby analytically related. Making use of the momentum theory of fluid, the general formula of lifting force of any axially symmetrical valve which has a spontaneous profile is obtained.
Takakichi UZAWA
openalex   +4 more sources

Feasibility Analysis of Adopting the Hydrogen Hydrostatic Thrust Bearing

open access: yesApplied Sciences, 2023
The hydrogen hydrostatic thrust bearing (HHTB) is a key component of hydrogen liquefaction that impacts turbo-expander characteristics. To analyze the feasibility of using the HHTB in this application, characteristics of HHTBs were calculated using a CFD
Mingchen Qiang   +5 more
doaj   +1 more source

Static Characteristics and Leakage Rates of Smooth Annular Seals Based on a New Solution Method for Gas-Liquid Two-Phase Conditions

open access: yesJournal of Marine Science and Engineering, 2021
This paper proposes a new solution method for the leakage and static characteristics of smooth annular seal under a homogeneous gas-liquid two-phase flow based on a bulk-flow model.
Chao Zhong   +4 more
doaj   +1 more source

Analysis of the Static Performance of a Cableless Aerostatic Guideway

open access: yesMachines, 2022
To develop an innovative aerostatic guideway without cable drag force that can be widely applied to ultra-precision machining and measurement technology, it is necessary to analyze the static performance of the aerostatic guideway.
Yue Zhou   +5 more
doaj   +1 more source

The Statistical Characteristics of Static Friction [PDF]

open access: yesInternational Journal of Applied Mechanics, 2018
Friction is one of the fundamental issues in physics, mechanics and material science with many practical applications. However, the understanding of macroscopic friction phenomena from microscopic aspect is still on the way. In this paper, molecular dynamics simulations are performed to investigate the static friction between two planar crystal ...
Jianjun Bian   +3 more
openaire   +4 more sources

Investigating the Magnetic Characteristics of 12/8 Switched Reluctance Motor for Enhanced Starting Torque

open access: yesNigerian Journal of Technological Development, 2021
The switched reluctance motor (SRM) is among the special purpose electric machine family. It is simple in construction and avoids use of magnet so it is cheap to manufacture.
E. C. Abunike   +3 more
doaj   +3 more sources

Power Performance Analysis of Digital Standard Cells for 28 nm Bulk CMOS at Cryogenic Temperature Using BSIM Models

open access: yesIEEE Journal on Exploratory Solid-State Computational Devices and Circuits, 2021
Cryogenic CMOS is a crucial component in building scalable quantum computers, predominantly for interface and control circuitry. Further, high-performance computing can also benefit from cryogenic boosters.
Rakshith Saligram   +5 more
doaj   +1 more source

The mechanical properties of concrete in water environment: A review

open access: yesFrontiers in Materials, 2022
The service performance of concrete structures in a water environment differs from that in a normal environment. An accurate evaluation of the mechanical properties and service status of wet concrete is related to the reliable design and safe operation ...
Juan Wang   +5 more
doaj   +1 more source

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