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Recent flight-test results of optical airdata techniques

Author
Bogue, Rodney K.
Published
May 1, 1993.
Physical Description
1 electronic document
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
Optical techniques for measuring airdata parameters were demonstrated with promising results on high performance fighter aircraft. These systems can measure the airspeed vector, and some are not as dependent on special in-flight calibration processes as current systems. Optical concepts for measuring freestream static temperature and density are feasible for in-flight applications. The best feature of these concepts is that the air data measurements are obtained nonintrusively, and for the most part well into the freestream region of the flow field about the aircraft. Current requirements for measuring air data at high angle of attack, and future need to measure the same information at hypersonic flight conditions place strains on existing techniques. Optical technology advances show outstanding potential for application in future programs and promise to make common use of optical concepts a reality. Results from several flight-test programs are summarized, and the technology advances required to make optical airdata techniques practical are identified.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19940009318.
Accession ID: 94N13791.
NASA-TM-4504.
SAE-92-1997.
NAS 1.15:4504.
H-1915.
SAE Aerotech 1992; 5-8 Oct. 1992; Anaheim, CA; United States.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15663272