| 摘要 |
The invention provides a passive cooler for a detector on board a satellite; the cooler comprises a sunshade, a sunshade radiator forming the end of the sunshade, an infrared deflector at the end of the sunshade, and a radiator forming the end of the deflector. According to the invention, the sunshade has an elliptical base and forms a constant angle relative to the axis of the cooler. The deflector also presents a base that is elliptical. The invention makes it possible to improve the thermal performance of the cooler by making use of all of the volume available for the cooler.
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