Explicit solution of gas film pressure for performance calculation of spiral grooved gas seals
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-017-1228-4
Abstract: The study presents an explicit solution to a narrow groove theory for compressible spiral grooved gas seals. The explicit solution was derived from Muijderman’s narrow groove theory by employing Cauchy’s integral theorem. It expresses the… read more here.
Keywords: explicit solution; gas film; gas; film pressure ... See more keywords
Flow field research on electrochemical machining with gas film insulation
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Processing Technology"
DOI: 10.1016/j.jmatprotec.2018.12.019
Abstract: Abstract Electrochemical machining (ECM) is an efficient method for fabricating crucial components of aircraft engines, such as integral blisks and diffusers. This paper proposes a new method for decreasing the stray corrosion in trepanning ECM,… read more here.
Keywords: electrochemical machining; flow field; air; gas film ... See more keywords
Calculation and verification of flow field in supercritical carbon dioxide dry gas seal based on turbulent adiabatic flow model
Sign Up to like & getrecommendations! Published in 2022 at "Tribology International"
DOI: 10.1016/j.triboint.2021.107275
Abstract: Abstract The current work investigates the influence of turbulence effect and different flow processes on Supercritical-CO2 (S-CO2) dry gas seal performance by theoretical calculation and experimental testing. Variations in both rotational speed and pressure can… read more here.
Keywords: gas seal; gas; gas film; adiabatic flow ... See more keywords
Investigation the gas film in micro scale induced error on the performance of the aerostatic spindle in ultra-precision machining
Sign Up to like & getrecommendations! Published in 2018 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2017.10.041
Abstract: Abstract The objective of this work is to study the influence of error induced by gas film in micro-scale on the static and dynamic behavior of a shaft supported by the aerostatic bearings. The static… read more here.
Keywords: aerostatic spindle; film micro; micro scale; gas film ... See more keywords
Review on Recent Advances, Research Trends, and Gas Film in Electrochemical Discharge-Based Micromachining
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Micro and Nano-Manufacturing"
DOI: 10.1115/1.4049418
Abstract: Electrochemical discharge machining (ECDM) is distinguished as a novel process that involves thermal heating and chemical dissolution for the micromachining of “difficult-to-machine” materials like ceramics and quartz. This paper comprehensively reviews the study on gas… read more here.
Keywords: process; electrochemical discharge; gas film; gas ... See more keywords
Research on operating parameters of T-groove cylindrical gas film seal based on computational fluid dynamics
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Composites Letters"
DOI: 10.1177/0963693519864373
Abstract: Cylindrical gas film sealing technology is a new type of dry gas sealing technology. Compared with the face gas film sealing technology, the cylindrical gas film seal presents a strong floating property, which can reduce… read more here.
Keywords: leakage; increase; gas; gas film ... See more keywords
Theoretical analysis and experimental research on characteristics of the lubricating gas film of a planar restrictor in the orifice-throttling effect
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology"
DOI: 10.1177/13506501221113174
Abstract: When a restrictor is coupled with groove microstructures, the analysis on the flow-field status of the restrictor’s lubricating gas film becomes more difficult, especially in theoretical calculation. In this study, a single-orifice planar restrictor with… read more here.
Keywords: gas film; lubricating gas; restrictor; analysis ... See more keywords
Research on the influence of supersonic phenomena on the gas film flow field of micron-groove-orifice aerostatic journal bearings under high gas supply pressure
Sign Up to like & getrecommendations! Published in 2022 at "Advances in Mechanical Engineering"
DOI: 10.1177/16878132221119885
Abstract: To solve the problem of performance degradation caused by supersonic phenomena under high gas supply pressures in orifice-compensated aerostatic journal bearings (OCAJBs), a double-row gas supply micron-groove-orifice aerostatic journal bearing (MGOAJB) is designed, and the… read more here.
Keywords: pressure; gas; gas film; gas supply ... See more keywords
Study of Gas Film Characteristics in Electrochemical Discharge Machining and Their Effects on Discharge Energy Distribution
Sign Up to like & getrecommendations! Published in 2023 at "Micromachines"
DOI: 10.3390/mi14051079
Abstract: Glass is a hard and brittle insulating material that is widely used in optics, biomedicine, and microelectromechanical systems. The electrochemical discharge process, which involves an effective microfabrication technology for insulating hard and brittle materials, can… read more here.
Keywords: discharge energy; gas; gas film; energy distribution ... See more keywords