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机构地区:[1]中国科学院兰州化学物理研究所固体润滑开放研究实验室
出 处:《摩擦学学报》1997年第4期380-384,共5页Tribology
基 金:国家自然科学基金
摘 要:综合论述了根据新一代长期空间计划要求形成的空间摩擦学研究新的前沿领域:大幅度延长摩擦学系统的寿命;提高可靠性;大幅度降低摩擦力矩及力矩噪声;在间歇运行条件下的润滑和防止真空冷焊;在极端(低温、高温、高速和重载等)条件下的摩擦学.归纳提出了进行这些前沿研究需要采取的主要技术途径,即立足于现有基础研究解决航天工程上的重点摩擦学问题,加强空间摩擦学的探索性研究以发现或发展新的备用润滑剂和新技术,满足新的更高要求.The importance of space tribology has been recognized and supported by many national space departments. As a matter of fact this discipline has reached a high degree of maturity. Nevertheless, a new generation space program brings about new challenges to the direction of space tribology development. New longterm space program to be performed includes science, space station and transportation(expecially, long life problem of ball bearing at high speed and heavy load in liquid oxygen or hydrogen rocketturbopump, and dynamic/static seal problem of the turbopump system), earth observation (especially, second generation meteorology satellite), payload and spacecraft development and experimentation program. The frontiers of space tribology investigation and some technical pathways to carry out the front investigations are suggested. The frontiers include greatly extending lifetime of tribological systems,increasing reliability, lowering friction torque and torque noise, lubricating under intermittent operating conditions, and tribology under high speed, extreme temperature and heavy load conditions.
分 类 号:V519.1[航空宇航科学与技术—航空宇航推进理论与工程] TH117[机械工程—机械设计及理论]
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