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Questions tagged [radiators]

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Why did Voyager have to shunt unused electrical power and radiate as heat?

Reading about Voyager in The oldest computer (not) on Earth I saw the image below, where is shown a science instrument calibration panel and shunt radiator. According to the November 1980 NASA News ...
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What effect (if any) would leaving the cargo bay doors open have had during a shuttle reentry?

The cargo bay doors of the Space Shuttle were used on-orbit as radiators for thermal control. The cargo bay doors were closed before the reentry burn and descent to the surface, but could there have ...
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Why aren't the ISS's nor Space Shuttle's radiators black?

As we know, from a surprising corollary to Kirchhoff's law of thermal radiation, just as darker* objects absorb more light (and therefore energy), darker objects also radiate more light (at lower ...
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Are there any promising next-generation space station cooling technologies?

The ISS had problems related to ammonia more than once. These problems happened in different calender years, and it seems like almost every "near miss" that makes the news about the ISS is connected ...
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How does Bigelow plan to handle heat rejection on the BA-330?

Bigelow Aerospace has two inflatables on orbit (Genesis I and Genesis II) with plans for attaching the BEAM module to the ISS. These are precursors to a full scale station, based on multiple (3?) BA-...