Results 11 to 20 of about 153 (135)
Air and atmosphere studies: Enlightenment, phenomenology and ecocriticism
Literature Compass, Volume 19, Issue 1-2, February 2022., 2022 Abstract This essay examines the treatment of air and atmosphere in literary scholarship of the late 17th‐ to mid‐19th‐century periods, from the first, early Enlightenment discovery of the air's chemical structure and the coining of the word ‘atmosphere’, to the dawning of Victorian industrial pollution.
Rowan Rose Boyson
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Applied Sciences, 2021 Aerostatic bearings are widely used in high-precision devices. Partial arc annular-thrust aerostatic porous journal bearings are a prominent type of aerostatic bearings, which carry both radial and axial loads and provide high load-carrying capacity, low
Pyung Hwang, Polina Khan, Seok-Won Kang
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Applied Sciences, 2021 Active aerostatic bearings are capable of providing negative compliance, which can be successfully used to automatically compensate for deformation of the machine tool system in order to reduce the time and improve the quality of metalworking.
Vladimir Kodnyanko +6 more
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Advances in Mechanical Engineering, 2022 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 ...
Shusen Li, Wei Cui
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Mathematics, 2021 Due to their vanishingly low air friction, high wear resistance, and environmental friendliness, aerostatic bearings are used in machines, machine tools, and devices that require high accuracy of micro-movement and positioning.
Vladimir Kodnyanko +7 more
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Application of multi-leaf foil bearings in high-speed turbo-machinery
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2020 Foil bearings, featuring various advantages (such as high-speed, good operation stability, low friction, long life, strong adaptability, wide temperature range, and oil-free), are promised to have good development prospects and application in high-speed ...
Yu GUO +4 more
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Dynamic Characteristics of Air Cycle Machine Rotor System
Shock and Vibration, Volume 2018, Issue 1, 2018., 2018 Parameters optimization in the critical speed region has the important influence on operational stability of an air cycle machine. Effects of bearing stiffness and unbalanced exciting force on critical speed and response characteristics are investigated by the modal method and harmonic response analysis.
Dongjiang Han +3 more
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Effects of Surface Waviness on the Nonlinear Vibration of Gas Lubricated Bearing‐Rotor System
Shock and Vibration, Volume 2018, Issue 1, 2018., 2018 This paper presents the effects of the surface waviness on the nonlinear dynamic performance of a gas bearing‐rotor system. The coupled vibration with the elastomer is taken into consideration to fit the actual engineering application. The effects of the directions, the amplitudes, and the numbers of waves to the nonlinear dynamic performance are ...
Jian Li +4 more
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International Journal of Rotating Machinery, Volume 2017, Issue 1, 2017., 2017 Foil bearing provides compliant support and moderate Coulomb friction for rotor‐bearing system, which is conducive to stability and reliability of high speed rotating machinery. In this paper, both hydrodynamic lubricated foil journal and foil thrust bearings are applied in a 150 m3·h−1 turboexpander for air separation.
Tianwei Lai +5 more
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Running Characteristics of Aerodynamic Bearing with Self‐Lifting Capability at Low Rotational Speed
Advances in Tribology, Volume 2011, Issue 1, 2011., 2011 An aerodynamic journal bearing that is capable of self‐generating squeeze‐film pressure is presented and its dynamic characteristics investigated numerically and experimentally. A numerical method based on a time‐marching static model was applied to assess the orbit trajectory path of the rotor upon a perturbation. Experimental results were obtained to
Tadeusz Adam Stolarski, M. M. Khonsari
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