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Optical Engineering

In-flight aero-optics of turrets
Author(s): Nicholas G. De Lucca; Stanislav V. Gordeyev; Eric J. Jumper
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Paper Abstract

Recent in-flight aero-optical measurements from the Airborne Aero-Optics Laboratory are provided, along with instrumentation and experimental set-up. Results of an extensive survey of the aero-optical environment at different viewing angles, for both flat-window and conformal-window turrets at different subsonic and low transonic speeds below M=0.65 , are presented, compared and extensively discussed. A comparison between two turret geometries, hemisphere-on-cylinder and hemisphere only, plus the statistical analysis of wavefronts at different viewing angles, are also presented and discussed. Additionally, dynamics of a local shock appearing on the conformal-window turret at transonic Mach number are discussed.

Paper Details

Date Published: 31 January 2013
PDF: 14 pages
Opt. Eng. 52(7) 071405 doi: 10.1117/1.OE.52.7.071405
Published in: Optical Engineering Volume 52, Issue 7
Show Author Affiliations
Nicholas G. De Lucca, Univ. of Notre Dame (United States)
Stanislav V. Gordeyev, Univ. of Notre Dame (United States)
Eric J. Jumper, Univ. of Notre Dame (United States)

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