Browse Publications Technical Papers 2005-01-3037
2005-07-11

Thermal Assessment of Swift BAT Instrument Thermal Control System in Flight 2005-01-3037

The Burst Alert Telescope (BAT) instrument of the Swift mission consists of a telescope assembly, a Power Converter Box (PCB), and a pair of Image Processor Electronics (IPE) boxes (a primary and a redundant). The telescope assembly Detector Array thermal control system includes eight constant conductance heat pipes (CCHPs), two loop heat pipes (LHPs), a radiator that has AZ-Tek's AZW-LA-II low solar absorptance white paint, and precision heater controllers that have adjustable set points in flight. The PCB and IPEs have Z93P white paint radiators. Swift was successfully launched into orbit on November 20, 2004. This paper presents a thermal assessment of the BAT instrument thermal control system during the first six months in flight.

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