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Titolo:
Non-intrusive optical diagnostic experiments for high-speed flow generatorflowfield characterization
Autore:
Terrell, CA; Tabibi, BM; Lee, JH; Spraggins, D;
Indirizzi:
Hampton Univ, Dept Phys, Res Ctr Opt Phys, Hampton, VA 23668 USA Hampton Univ Hampton VA USA 23668 Res Ctr Opt Phys, Hampton, VA 23668 USA
Titolo Testata:
COMPUTERS & ELECTRICAL ENGINEERING
fascicolo: 1, volume: 26, anno: 2000,
pagine: 67 - 76
SICI:
0045-7906(200001)26:1<67:NODEFH>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Keywords:
electron beam fluorescence; focused schlieren; flow visualization; hypersonic flow; molecular nitrogen;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
--discip_EC--
Citazioni:
8
Recensione:
Indirizzi per estratti:
Indirizzo: Tabibi, BM Hampton Univ, Dept Phys, Res Ctr Opt Phys, Hampton, VA 23668 USA Hampton Univ Hampton VA USA 23668 Phys, Hampton, VA 23668 USA
Citazione:
C.A. Terrell et al., "Non-intrusive optical diagnostic experiments for high-speed flow generatorflowfield characterization", COMPUT ELEC, 26(1), 2000, pp. 67-76

Abstract

Two non-intrusive optical diagnostic methods, electron beam fluorescence (EBF) and focused schlieren (FS) have been set up and utilized for high-speed flow characterization and visualization of the High-speed Flow Generator (HFG) at NASA LaRC, Using the EBF technique, we were able to visualize and calculate several parameters of the low-density, free jet expansion of N-2 gas through a 5.0 mm nozzle. We also developed a high-sensitivity FS systemto see shock structure in front of a spherical barrier and roughly determine the lower limit of its capability to visualize the N-2 flowfield. (C) 2000 Elsevier Science Ltd. All rights reserved.

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Documento generato il 31/03/20 alle ore 17:55:43