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为保证航天员在轨生活健康,避免密封舱内结露,对载人航天器密封舱内空气除湿进行了理论研究:针对载人航天器地面封舱前干空气置换,建立了相对湿度估算模型;对航天器在轨采用冷凝干燥装置主动除湿进行了研究,建立了密封舱内空气湿度平衡方程,推导出冷凝干燥风机风量估算模型。相对湿度估算模型及风机风量估算模型可为实际工程设计提供参考。
In order to ensure the astronauts live healthy on the orbit and avoid the dew condensation in the sealed capsule, a theoretical study on the air dehumidification in the manned spacecraft capsule is carried out. According to the dry air replacement before the manned spacecraft is sealed, the relative humidity estimation model The active dehumidification of spacecraft with or without condensate drying device was studied. The equilibrium equation of air humidity in the sealed cabin was established and the air volume estimation model of the condensing drying fan was deduced. Relative humidity estimation model and fan air volume estimation model can provide reference for practical engineering design.