Global luminescent oil-film skin-friction meter

被引：71

作者：

Liu, Tianshu ^{[1
]}

Montefort, J. ^{[1
]}

Woodiga, S. ^{[1
]}

Merati, P. ^{[1
]}

Shen, Lixin ^{[2
]}

机构：

[1] Western Michigan Univ, Dept Mech & Aeronaut Engn, Kalamazoo, MI 49008 USA

[2] Syracuse Univ, Dept Math, Syracuse, NY 13244 USA

来源：

AIAA JOURNAL | 2008年 / 46卷 / 02期

关键词：

D O I：

10.2514/1.32219

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

This paper describes a global luminescent oil-film skin-friction meter that is particularly useful in global skin-friction diagnostics for complex flows. This method is developed based on the relationship between the oil-film thickness and luminescent intensity of an oil film doped with luminescent molecules. The projected thin oil-film equation is given in the image plane, which relates skin friction with the normalized luminescent intensity. A variational formulation with a smoothness constraint on skin friction is given, and the corresponding Euler-Langrage equations are solved to obtain a snapshot solution for a relative skin-friction field. Successive snapshot solutions are superposed to reconstruct a complete relative skin-friction field, and the corresponding absolute field can be further determined by in situ calibration. This method is examined through numerical simulation and experiments.

引用

页码：476 / 485

页数：10

共 29 条

[1]

[Anonymous], 1987, Dimensional analysis

[2]

BROWN JL, 1999, 1999208767 TM NASA A

[3] Directional sensitivity of skin friction measurements using nematic liquid crystal [J].

Buttsworth, DR ;

Elston, SJ ;

Jones, TV .

MEASUREMENT SCIENCE AND TECHNOLOGY, 1998, 9 (11) :1856-1865

[4] BIORTHOGONAL BASES OF COMPACTLY SUPPORTED WAVELETS [J].

COHEN, A ;

DAUBECHIES, I ;

FEAUVEAU, JC .

COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 1992, 45 (05) :485-560

[5]

Crafton J. W., 2005, 20055006 AIAA, P2005

[6]

DAUBECHIES I, 1992, CBMS C SERIES APPL M, V61, pCH8

[7] AN EXACT SOLUTION OF THE NAVIER-STOKES EQUATION WHICH DESCRIBES NONORTHOGONAL STAGNATION-POINT FLOW IN 2 DIMENSIONS [J].

DORREPAAL, JM .

JOURNAL OF FLUID MECHANICS, 1986, 163 :141-147

[8]

Drela M., 1989, LOW REYNOLDS NUMBER, P1, DOI DOI 10.1007/978-3-642-84010-4_1/COVER

[9] The development of optical techniques for the measurement of pressure and skin friction [J].

Fonov, Sergey ;

Jones, Grant ;

Crafton, Jim ;

Fonov, Vladimir ;

Goss, Larry .

MEASUREMENT SCIENCE AND TECHNOLOGY, 2006, 17 (06) :1261-1268

[10] DETERMINING OPTICAL-FLOW [J].

HORN, BKP ;

SCHUNCK, BG .

ARTIFICIAL INTELLIGENCE, 1981, 17 (1-3) :185-203

← 1 2 3 →