【摘要】 失重或称微重力环境是载人航天轨道飞行中的重要环境因素,地面上失重模拟实验是航天前的重要准备工作之一。失重模拟方法及其设备多种多样,要依其目的不同而进行选择。文章对上述问题进行了充分的比较研究,并在此基础上指出了中性浮力水槽和失重飞机是失重模拟设备中最常用和最有效的工具。建议从我国的实际情况出发,适时的加以建造。更多还原

【Abstract】 Weightlessness (or microgravity) condition is one of important environmental factors for manned spaceflight during their earth orbital operation,amd the weightlessness simulation test on the ground becomes one of main preparations before manned spaceflight execution.Variable methods and facilities to simulate weightlessness can be selected based on different simulation objects.For above mentioned issues,a comparative investigation has been fully made,and it is indicated that neutral buoyancy simulator and zero-G aircraft are very useful and effective implements among simulated weightlessness facilities.A suggestion is proposed in order to timely develop a neutral buoyancy tank and a zero-G aicraft,based on the actual conditions of our country.更多还原