14 December 1992 Experimentally simulated aero-optic measurements through multiaperure windows
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Abstract
An experimental investigation was undertaken to examine the aero-optic performance of multi- aperture windows for use in hypersonic endo-atmospherical vehicles. A series of imaging tests was conducted through a two-dimensional flat plate model of a multi-aperture window that was incorporated into the Teledyne Brown Dual Nozzle Aero-Optic Simulator (DNAOS). This simulator brought two high-velocity gas streams together in an enclosed test region to form an approximate Mach 2 mixing/shear layer, creating the turbulent properties found in hypersonic flight. The same series of tests was conducted looking through a monolithic flat plate window. The images recorded through both window schemes were analyzed to determine image distortion and results were compared to demonstrate the various optical phenomenon associated with multi-aperture windows.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Lori C. Brooks, David A. Kalin, Bruce R. Peters, "Experimentally simulated aero-optic measurements through multiaperure windows", Proc. SPIE 1760, Window and Dome Technologies and Materials III, (14 December 1992); doi: 10.1117/12.130811; https://doi.org/10.1117/12.130811
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