Multi-parameter air data sensing technique

Details Multi-parameter air data sensing technique Multi-parameter air data sensing technique

1994-08-30

1997-03-11

Ramirez, Ellis B.

Boots, shoes, and leggings

364558, 73178H, 73182, G01P 300

Patent

active

056108451

ABSTRACT:
Static pressure sensing and free airstream temperature sensing is obviated in a method for determining aircraft velocity relative to an airmass by utilizing a static pressure and temperature component present in pressure variations sensed by a total pressure sensor located on a rotating arm mounted on the fuselage of an aircraft. A harmonic analysis of a quasi-sinusoidal total pressure variation includes a determination of steady state and both first and second harmonic components. These harmonic components are used to determine the static pressure, the free airstream temperature and the aircraft airspeed without separately sensing these parameters.

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"Lift, Butterflies, and Myths About Bernoulli", D. Sheahan, Radio Control Modeler Magazine, Dec. 1991, pp. 178, 180.

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