Magnetic fluid micro-channel thermal control system of microsatellite standalone
A magnetic fluid and micro-satellite technology, which is applied in cooling/ventilation/heating transformation, electrical components, electrical equipment structural parts, etc., can solve the problems of poor temperature control, poor active heat dissipation of a single machine, and ineffective heat utilization of micro-satellites, etc., to achieve Long working time, solve the effect of high local temperature and large power consumption
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specific Embodiment approach 1
[0023] Specific implementation mode one: combine Figure 1-Figure 3 Explain, the magnetic fluid microchannel thermal control system of the microsatellite stand-alone of the present embodiment, it comprises electromagnetic pump 1, magnetic fluid pipeline 2, hot end magnetic fluid microchannel 3 and cold end magnetic fluid microchannel 4;
[0024] The outlet of the electromagnetic pump 1 is communicated with the inlet of the hot-end magnetic fluid microchannel 3 through the magnetic fluid pipeline 2, the inlet of the electromagnetic pump 1 is communicated with the outlet of the cold-end magnetic fluid microchannel 4 through the magnetic fluid pipeline 2, and the hot-end magnetic fluid microchannel The outlet of 3 communicates with the inlet of the cold-end magnetic fluid microchannel 4 through the magnetic fluid pipeline 2 .
[0025] Electromagnetic drive magnetic fluid working medium heat exchange design, excellent thermal performance of working medium, simple and compact drivi...
specific Embodiment approach 2
[0026] Embodiment 2: The magnetic fluid in the magnetic fluid pipeline 2 of this embodiment is brine or liquid metal mercury or liquid metal gallium or liquid gallium-based alloy. In this way, the electrical conductivity, magnetic permeability and thermal conductivity of brine or liquid metal or metal-based alloy are relatively large, the kinematic viscosity of liquid metal or metal-based alloy is small, the flow resistance is small, and the heat transfer efficiency is large, which meets the design requirements and According to actual needs, the thermal conductivity of liquid metal mercury is 8.34W / (m·K), and the thermal conductivity of gallium can reach 30W / (m·K). Others are the same as in the first embodiment.
specific Embodiment approach 3
[0027] Embodiment 3: The magnetic fluid microchannel 3 at the hot end of this embodiment is made of silicon or copper. With such arrangement, the thermal conductivity of the silicon or copper material is good. Others are the same as in the first or second embodiment.
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