Airdata Calibration of a High-Performance Aircraft for Measuring Atmospheric Wind Profiles
Haering Jr., Edward A. (1990) Airdata Calibration of a High-Performance Aircraft for Measuring Atmospheric Wind Profiles. Technical Report NASA TM-101714, Research Engineering, NASA Dryden Flight Research Center.
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Abstract
The research airdata system of an instrumented F-104 aircraft has been calibrated to measure winds aloft in support of the space shuttle wind measurement investigation at the National Aeronautics and Space Administration Ames Research Center Dryden Flight Research Facility. For this investigation, wind measurement accuracies comparable to those obtained from Jimsphere balloons were desired. This required an airdata calibration more accurate than needed for most aircraft research programs. The F-104 aircraft was equipped with a research pitot-static noseboom with integral angle-of-attack and flank angle-of-attack vanes and a ring-laser-gyro inertial reference unit. Tower fly-bys and radar acceleration-decelerations were used to calibrate Mach number and total temperature. Angle of attack and angle of sideslip were calibrated with a trajectory reconstruction technique using a multiple-state linear Kalman filter. The F-104 aircraft and instrumentation configuration, flight test maneuvers, data corrections, calibration techniques, and resulting calibrations and data repeatability are presented. Recommendations for future airdata systems on aircraft used to measure winds aloft are also given.
| EPrint Type: | NASA Technical Memorandum |
|---|---|
| Keywords: | Airdata calibration, Trajectory reconstruction, Wind measurement |
| Subjects: | (01 - 09) Aeronautics: (05) Aircraft Design, Testing And Performance Aircraft/Project: Space Shuttle Orbiter Aircraft/Project: F-104 |
| ID Code: | 350 |
| Deposited On: | 26 August 2004 |
| Additional Information: | 27 pages. Prepared as AIAA 90-0320 for presentation at AIAA 28th Aerospace Sciences Meeting, Reno, Nevada, January 8–11, 1990. |
