Apparatus and method for electrical heating of aircraft skin for

Details Apparatus and method for electrical heating of aircraft skin for Apparatus and method for electrical heating of aircraft skin for

1987-09-24

1989-01-31

Barefoot, Galen

Aeronautics and astronautics

Aircraft structure

Fuselage and body construction

244 1R, 89 3601, 2503541, B64D 4500

Patent

active

048011134

ABSTRACT:
Apparatus and method for background matching of an aircraft or spacecraft which includes the direct electrical heating of the aircraft skin to minimize a negative infrared contrast signature detected from above platform infrared detectors. An infrared detector on the bottom of the aircraft detects the background radiance which is compared with the aircraft radiance determined from the power flight conditions or from direct sensors. An on board computer compares the background and aircraft radiance to determine the amount of heat required to match the background. The computer controls a power source that heats an electrical resistor within the aircraft skin to increase the skin temperature. Selective heating of portions of the aircraft skin may be provided by a plurality of resistors strategically placed on the aircraft fuselage.

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