Planar Laser-Induced Fluorescence of Mars Science Laboratory Reaction Control System Jets

被引：5
作者：
Johansen, C. T. [1 ,2 ,3 ]
Danehy, P. M. [2 ]
Ashcraft, S. W. [2 ,4 ]
Bathel, B. F. [2 ,5 ]
Inman, J. A. [2 ]
Jones, S. B. [2 ]
机构：
[1] NASA, Langley Res Ctr, Natl Inst Aerosp, Hampton, VA 23681 USA
[2] NASA, Langley Res Ctr, Adv Sensing & Opt Measurement Branch, Hampton, VA 23681 USA
[3] Univ Calgary, Calgary, AB T2N 1N4, Canada
[4] Univ Kentucky, Lexington, KY 40506 USA
[5] Univ Virginia, Charlottesville, VA 22904 USA
来源：
JOURNAL OF SPACECRAFT AND ROCKETS | 2013年 / 50卷 / 04期
关键词：
VISUALIZATION; LAMINAR;
D O I：
10.2514/1.A32214
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Nitric-oxide planar laser-induced fluorescence was used to visualize the flow in the wake of a Mars Science Laboratory entry capsule with activated reaction control system jets in NASA Langley Research Center's 31 in. Mach 10 air tunnel facility. Images were processed using the virtual diagnostics interface method, which brings out the three-dimensional nature of the flow visualization data while showing the relative location of the data with respect to the model. Comparison of wind-on and wind-off results illustrates the effect that the hypersonic crossflow has on the trajectory and structure of individual reaction control system jets. The visualization and comparison of both single and multiple activated jets indicate low levels of jet-jet interaction. Quantitative streamwise velocity was also obtained via molecular tagging velocimetry.
引用
收藏
页码：781 / 792
页数：12
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