火星表面环境模拟技术  

Mars Environment Simulation Technology

作　　者：顾苗[1] GU Miao(Beijing Institute of Spacecraft Environment Engineering,Beijing 100094,China)

机构地区：[1]北京卫星环境工程研究所,北京100094

出　　处：《装备环境工程》2021年第9期35-42,共8页Equipment Environmental Engineering

摘　　要：叙述了火星表面影响航天器工作的相关环境,主要包括低气压、大温区、CO_(2)大气、高风速、尘暴等。首先叙述了低气压环境的真空舱抽放气模拟法(低气压调节范围150-1500 Pa)、CO_(2)环境换气模拟方法(CO_(2)体积分数约95%)、大温区环境气氮调温模拟法(调节温度范围为–150-150℃)、尘暴环境的真空引流模拟法和低气压风洞模拟法(火星尘埃直径为0-100μm)、地形地貌的场景模拟法(粗砂和中砂地貌)、辐照环境的太阳模拟器模拟法、大气环境中灯阵模拟法(辐照度能够达到1760 W/m^(2))以及低重力环境的配重模拟法(重力加速度为3.72 m/s^(2))。其次叙述了当前国内外火星综合环境的常见模拟方法,包括火星低气压热环境试验、火星低气压风洞试验。The paper mainly introduces environment factors on Mars,which affects the spacecraft work.These environment factors include low atmospheric pressure,large temperature change,CO_(2) atmospheric,high wind speed,dust storm,etc.Firstly,these environment simulation methods are set forth,including pumping and charging gas method for the low pressure environment simulation(the low pressure range is 150-1500 Pa),gas exchange method for the CO_(2) environment simulation(the volume fraction of CO_(2) is 95%),gas nitrogen temperature adjustment method for the large temperature environment simulation(the temperature range is–150-150℃),vacuum diversion simulation method and low-pressure wind tunnel simulation method for dust storm environment(0-100μm diameter of Martian dust),scenario simulation method for topographic landscape(coarse and medium sandy landscape),solar simulator simulation method for irradiated environment,and the lamp array method for the radiation environment simulation(the highest radiance is 1760 W/m^(2)),counter weights method for the low gravity simulation(the gravity is 3.72 m/s^(2)).Secondly,two types of integrated environment factors simulation methods are set forth,including Mars low pressure and thermal test,Mars wind tunnel.

关 键 词：火星环境 环境模拟 压力 温度 

分 类 号：V416[航空宇航科学与技术—航空宇航推进理论与工程]