The invention provides a space load external heat flow simulation method and device, and the method comprises the steps: obtaining a heat flow parameter and a temperature parameter associated with a space load according to a pre-built simulation model; performing region division on the outer surface of the space load based on the heat flow parameter and the temperature parameter to obtain a plurality of outer heat flow simulation partitions; based on the partition attribute information of the multiple external heat flow simulation partitions, arranging electric heaters in the multiple externalheat flow simulation partitions; placing the space load in the space environment simulator, connecting the electric heater with the program-controlled direct-current power supply, wherein the program-controlled direct-current power supply is used for applying input current capable of generating heating power consumption to the electric heater, and external heat flows of a plurality of external heat flow simulation subareas are obtained through simulation. According to the method, a large amount of test time and cost can be saved, meanwhile, the deviation value of the actual applied external heat flow and the specified applied external heat flow in the test is accurately calculated, the accuracy of external heat flow simulation is improved, and meanwhile, the method can be applied to a transient test scene.
本发明提供了一种空间载荷的外热流模拟方法及装置,包括:根据预先建立的仿真模型,获取与空间载荷关联的热流参数和温度参数;基于热流参数和温度参数对空间载荷的外表面进行区域划分,得到多个外热流模拟分区;基于多个外热流模拟分区的分区属性信息,在多个外热流模拟分区设置电加热器;将空间载荷置于空间环境模拟器内,将电加热器与程控直流电源连接,利用程控直流电源对电加热器施加能够产生加热功耗的输入电流,模拟得到多个外热流模拟分区的外热流。本发明可以在节省大量试验时间及成本的同时,准确的计算出试验实际施加外热流与规定施加外热流的偏差值,提高了外热流模拟的准确性,同时可以应用于瞬态试验的场景中。
Space load external heat flow simulation method and device
一种空间载荷的外热流模拟方法及装置
2021-01-12
Patent
Electronic Resource
Chinese
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