In-flight aero-optics of turrets

Nicholas G. De Lucca; Stanislav V. Gordeyev; Eric J. Jumper

doi:10.1117/1.OE.52.7.071405

31 January 2013 In-flight aero-optics of turrets

Nicholas G. De Lucca, Stanislav V. Gordeyev, Eric J. Jumper

Author Affiliations +

Optical Engineering, Vol. 52, Issue 7, 071405 (January 2013). https://doi.org/10.1117/1.OE.52.7.071405

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.

Citation Download Citation

Nicholas G. De Lucca, Stanislav V. Gordeyev, and Eric J. Jumper "In-flight aero-optics of turrets," Optical Engineering 52(7), 071405 (31 January 2013). https://doi.org/10.1117/1.OE.52.7.071405

Published: 31 January 2013

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