Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Scott R. Nowlin"'
Publikováno v:
AIAA Journal. 40:1382-1387
Atmospheric temperature fluctuation data collected from a Grumman Gulfstream II aircraft show features in temperature power spectral density functions that do not follow the expected - 5/3 slope for homogeneous isotropic turbulence. Spectral analysis
Autor:
Scott R. Nowlin
Publikováno v:
AIAA SPACE 2009 Conference & Exposition.
According to numerous sources, the long-term evolutionary development and transition of technologies to meet warfighter capability gaps within the United States Air Force (USAF) has suffered from a lack of robust early sy stems engineering and acquis
Publikováno v:
The Journal of the Acoustical Society of America. 113(1)
An acoustic noise removal method is used to reject engine acoustical disturbances from aircraft-based atmospheric temperature measurements. Removal of engine noise from atmospheric temperature measurements allows a larger wave number range to be fit
Publikováno v:
SPIE Proceedings.
We report simultaneous balloon-borne thermosonde/airborne constant-current anemometer measurements made over a portion of White Sands Missile Range, NM. For the first time, vertical profiles of the refractive index structure parameter (Cn2) data gene
Publikováno v:
SPIE Proceedings.
We report concurrent ground-based scintillator/airborne constant-current anemometer (CCA) measurements made along a 51.4 km-long slant path between Salinas and North Oscura peaks, NM. Simultaneous path-averaged refractive index structure parameter (C
Publikováno v:
SPIE Proceedings.
High-bandwidth measurements of atmospheric velocity and temperature fluctuations in the high troposphere/low stratosphere using aircraft-based hot-wire anemometers requires calibration. An in-situ calibration characterizing wire sensitivity at high s
Publikováno v:
SPIE Proceedings.
The calibration procedure for a hot-wire anemometer system operating in a non-isothermal pressure-variant flow field is presented. Sensing of atmospheric velocity and temperature fluctuations from an altitude-variant platform using hot- wire anemomet
Application of acoustic noise removal methods to aircraft-based atmospheric temperature measurements
Publikováno v:
30th Plasmadynamic and Lasers Conference.
Autor:
Kimberley A. McCrae, G. D. Nastrom, Ila L. Hahn, Bruce S. Masson, Timothy L. Berkopec, Frank D. Eaton, Scott R. Nowlin
Publikováno v:
SPIE Proceedings.
The Air Force Research Laboratory at Kirtland Air Force Base examined the characteristics of the refractive index structure parameter (C2n) within a strong and persistent layer of turbulence using observations obtained from a 49.25 MHz radar and an i
Conference
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