“气体润滑与干气密封”专辑序言  

Preface to Special Issue “Gas Lubrication and Dry Gas Sealing”

作　　者：冯凯 FENG Kai(College of Mechanical and Vehicle Engineering,Hunan University,Hunan Changsha 410082,China)

机构地区：[1]湖南大学机械与运载工程学院,湖南长沙410082

出　　处：《摩擦学学报》2023年第11期1239-1240,共2页Tribology

摘　　要：气体轴承与干气密封由于采用气体来实现完全非接触悬浮和密封,所以具有损耗低、效率高和寿命长等特点,能够满足装备超高速、超精密、高效率和长寿命等极端性能需求,已成为精密制造、能源动力和航空航天等领域高端装备转型升级的引领性技术.随着气浮装备服役环境复杂程度的不断提高,对气浮部件的承载能力、稳定性和适应性等方面提出了更高的要求.气体轴承与干气密封技术涉及润滑与密封机理、结构优化、部件材料、高性能制造、性能检测以及系统集成等多个领域.近年来,在国家重点研发计划等项目的牵引和气浮装备产业化浪潮的推动下,国内气浮技术在基础研究和产业化应用等方面都取得了不少的进展.各位专家和学者从极端工况下气浮部件的润滑机理与性能分析、面向性能需求的气浮部件结构优化设计方法、气浮部件与系统的耦合分析与集成设计以及气浮部件与系统的性能检测与评价等多个层次进行了大量的工作,取得了大量的重要成果.Gas bearings and dry gas seals have the characteristics of low loss,high efficiency,and long service life due to the use of gas to achieve completely non-contact suspension and sealing.They can meet the extreme performance requirements of equipment,such as ultra high speed,ultra precision,high efficiency and long service life.They have become leading technologies for the transformation and upgrading of high-end equipment in precision manufacturing,energy power and aerospace.With the increasing complexity of the service environment of air flotation equipment,higher requirements have been put forward for the load-bearing capacity,stability and adaptability of air flotation components.Gas bearings and dry gas sealing technology involve multiple fields such as lubrication and sealing mechanisms,structural optimization,component materials,high-performance manufacturing,performance testing and system integration.In recent years,driven by national key research and development plans and the wave of industrialization of air flotation equipment,domestic air flotation technology has made significant progress in basic research and industrial applications.Experts and scholars have conducted extensive work on the lubrication mechanism and performance analysis of air suspension components under extreme operating conditions,performance oriented structural optimization design methods for air suspension components,coupling analysis and integration design of air suspension components and systems,as well as performance testing and evaluation of air suspension components and systems,and have achieved significant results.

关 键 词：气体轴承 干气密封 气体润滑 精密制造 润滑机理 润滑与密封 集成设计 国家重点研发计划 

分 类 号：TH117.1[机械工程—机械设计及理论]