The invention discloses a light high-temperature heat pipe radiator for space. The heat pipe radiator comprises a titanium water heat pipe used for heat expansion and a high-heat-conduction carbon-carbon radiator. The titanium water heat pipe and the high-heat-conduction carbon-carbon radiator are connected in a brazed mode to form an integrated structure. The titanium water heat pipe is integrally manufactured by adopting a titanium or titanium alloy material through a 3D printing additive technology; the high-heat-conduction carbon-carbon radiator is made of a composite material composed of high-heat-conduction carbon fibers and mesophase pitch, the density of the composite material is smaller than 2 g/cm < 3 >, and the unidirectional heat-conduction coefficient is larger than 500 W/(m.K). The extending direction of the titanium water heat pipe is perpendicular to the high-heat-conduction carbon fibers in the high-heat-conduction carbon-carbon radiator, and the titanium water heat pipe is used for forming orthogonal coupling in the two high-heat-conduction directions. The heat pipe radiator is suitable for a working temperature area required by heat dissipation of a nuclear power spacecraft, the efficiency of the radiator can be greatly improved, and the weight of a system and even the weight of the whole spacecraft are reduced.
本发明公开了一种空间用轻质高温热管辐射器,该热管辐射器包括用于扩热的钛水热管和高导热碳碳辐射器;钛水热管与高导热碳碳辐射器钎焊连接形成一体结构;钛水热管采用钛或钛合金材料通过3D打印增材技术一体化制造而成;高导热碳碳辐射器采用由高导热碳纤维与中间相沥青构成的复合材料制成,复合材料的密度小于2g/cm3、且单向导热系数大于500W/(m·K);钛水热管的延伸方向与高导热碳碳辐射器中的高导热碳纤维垂直设置,用于形成两个高导热方向的正交耦合。上述热管辐射器适用于核动力航天器热排散所需的工作温区,可极大的提高辐射器的效率,并降低系统乃至整星的重量。
Light high-temperature heat pipe radiator for space
一种空间用轻质高温热管辐射器
2021-10-29
Patent
Electronic Resource
Chinese
IPC: | B64G Raumfahrt , COSMONAUTICS |
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