Some considerations on the airborne cloud microphysical probing

This paper provides a theoretical calibration of Optical Array Probes (OAP) mounted on a given aircraft, in order to take into account the aerodynamic influence of the entire aircraft on the measurements obtained. The measured parameters are corrected through the computation of the air flow-field ar...

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Bibliographic Details
Published in:Meteorology and atmospheric physics 2006-04, Vol.92 (3-4), p.217-230
Main Authors: LEKAS, Th. I, MAVROMATIDIS, E, KALLOS, G
Format: Article
Language:English
Subjects:
Aerodynamics
Air flow
Aircraft
Atmospheric models
Cloud physics
Clouds
Earth, ocean, space
Exact sciences and technology
External geophysics
Geophysics. Techniques, methods, instrumentation and models
Meteorology
Probes
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Summary:This paper provides a theoretical calibration of Optical Array Probes (OAP) mounted on a given aircraft, in order to take into account the aerodynamic influence of the entire aircraft on the measurements obtained. The measured parameters are corrected through the computation of the air flow-field around the entire aircraft carrying the probes, for different flight conditions, in order to obtain the corresponding undisturbed values. These undisturbed values have been compared to the microphysical ones computed by an atmospheric model, the Regional Atmospheric Modeling System (RAMS). It was found that the removal of the disturbances made by the aircraft on the atmospheric conditions is feasible and provides data that compare much better to the model results. It is suggested that such kind of airborne data corrections may be performed in order to improve the quality of the observations if the aircraft and probe geometries are known. Further information regarding the best location of the probes on the considered aircraft is also obtained. [PUBLICATION ABSTRACT]
ISSN:0177-7971
1436-5065
DOI:10.1007/s00703-005-0153-8