人-船-服热真空联合试验技术

人-船-服热真空联合试验对于保证航天员的安全和飞行任务的成功非常重要.航天员可通过试验熟悉空间环境、增强心理承受力,通过试验还可暴露出载人飞船在设计、研制和制造过程中的缺陷.而试验的成功则与完善的地面试验设施、正确的试验技术、详细的试验大纲、合理的技术规范和试验程序密切相关.文章主要介绍了在KM6大型空间环境模拟设备中进行的人-船-服热真空联合试验,包括3个试验方案、潜在的安全问题的分析及相关对策、安全系统的介绍,详细介绍了设备的主要技术规范和10个主要的分系统:真空容器、液氮分系统、气氮分系统、复压分系统、环境控制分系统、热流模拟分系统、通讯控制分系统和消防分系统等.

The combined ground simulation test technology of thermal vacuum for man-extravehicular space suits-spacecraft

The combined thermal vacuum test of man-extravehicular space suits-spacecraft is necessary to guarantee the safety of astronaut and the success of flight operation.During the tests,the astronauts may get themselves familiarizing with the space environment; their psychological endurance may be increased;and the defects of design,manufacture and operation procedure of the manned spacecraft may be discovered.A successful test must be based on perfect and complete ground test facilities,correct test technologies,a well considered test plan,reasonable technology specifications and simulation procedures.In this paper,the principal objectives and the major components of the combined thermal vacuum test of men-extravehicular space suits-spacecraft conducted in KM6 are presented. Three schemes of test are described.The potential problems of safety are analyzed and the relevant countermeasures and security systems are put forward.The main technical specifications of the facility are given and ten key subsystems,namely,vacuum chamber,liquid nitrogen,gas nitrogen,re-pressurization,environment control,thermal flux simulation,telecommunication control and fire fighting,are discussed.