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Abstract

The MTS radiator consists of planar arrays of micro-tube strip modules, each of which contain two or three rows of about 200 properly spaced microtubes per row. The three-dimensional tubular titanium structure with support members between microtubes maximizes stiffness and strength per mass. The working fluid--typically hydrogen at 0.1 to 1 MPa--circulates through the microtubes, and most of the radiation occurs from their walls, which are only 0.2 to 0.4 mm thick. This allows specific mass below 1 kg/m.sup.2. The operating temperature range is typically 200-650 K. The radiator's radiating surface comprises a heavily oxidized, metal alloy with a corrosion resistant, refractory alloy film deposited on it.

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First Claim