Inhibition of the aero-optical effects of supersonic mixing layers based on the RVGAs’ control

Zihao Xia; Haolin Ding; Shihe Yi

doi:10.3788/COL202321.030102

Journals >Chinese Optics Letters >Volume 21 >Issue 3 >Page 030102 > Article

Chinese Optics Letters
Vol. 21, Issue 3, 030102 (2023)

Inhibition of the aero-optical effects of supersonic mixing layers based on the RVGAs’ control

Zihao Xia^1、**, Haolin Ding^1、2、*, and Shihe Yi¹

Author Affiliations

¹College of Aerospace Science and Technology, National University of Defense Technology, Changsha 410073, China

²College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China

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DOI: 10.3788/COL202321.030102 Cite this Article Set citation alerts

Zihao Xia, Haolin Ding, Shihe Yi. Inhibition of the aero-optical effects of supersonic mixing layers based on the RVGAs’ control[J]. Chinese Optics Letters, 2023, 21(3): 030102 Copy Citation Text

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Fig. 1. Supersonic mixing layer wind tunnel and the RVGA device.

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Fig. 2. Schematic diagram of the NPLS system.

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Fig. 3. NPLS images of supersonic mixing layers.

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Fig. 4. Mean and standard deviation values of

{OPD}_{rms}

along the streamwise direction.

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Fig. 5. Distribution of density fluctuation and its correlation length along the streamwise direction.

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	$RSP = 1$		$RSP = 0.72$		$RSP = 1.21$
	F1	F2	F1	F2	F1	F2
Ma	2.6	3.6	2.6	3.6	2.6	3.6
$ρ (kg \cdot m^{- 3})$	0.035	0.058	0.025	0.058	0.042	0.058
P₀(kPa)	16.4	101.0	11.8	101.0	19.9	101.0
T₀(K)	303
Mc	0.24

Table 1. Wind Tunnel Operating Conditions^a

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	$h (mm)$	$L (mm)$	$θ (\deg)$	$β (\deg)$	$D (mm)$	$b (mm)$	$d (mm)$
RVGA1	0.5	3.20	36.69
RVGA2	0.8	4.97	23.07	9.33	1.60	0.80	0.10
RVGA3	1.2	7.37	15.50

Table 2. Geometric Parameters of the RVGA^a

Zihao Xia, Haolin Ding, Shihe Yi. Inhibition of the aero-optical effects of supersonic mixing layers based on the RVGAs’ control[J]. Chinese Optics Letters, 2023, 21(3): 030102

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