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Titolo:
Quantitative vapour-liquid visualization using laser-induced exciplex fluorescence
Autore:
Kim, JU; Hong, BY;
Indirizzi:
Sung Kyun Kwan Univ, Ctr Adv Plasma Surface Technol, Suwon 440746, South Korea Sung Kyun Kwan Univ Suwon South Korea 440746 , Suwon 440746, South Korea Sung Kyun Kwan Univ, Sch Elect & Comp Engn, Suwon 440746, South Korea SungKyun Kwan Univ Suwon South Korea 440746 , Suwon 440746, South Korea
Titolo Testata:
JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS
fascicolo: 5, volume: 3, anno: 2001,
pagine: 338 - 345
SICI:
1464-4258(200109)3:5<338:QVVULE>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
DROPLETS;
Keywords:
quantitative visualization; exciplex; laser-induced fluorescence; fuel spray;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
--discip_EC--
Citazioni:
16
Recensione:
Indirizzi per estratti:
Indirizzo: Kim, JU Sung Kyun Kwan Univ, Ctr Adv Plasma Surface Technol, 300 Chunchun Dong, Suwon 440746, South Korea Sung Kyun Kwan Univ 300 Chunchun Dong Suwon South Korea 440746 ea
Citazione:
J.U. Kim e B.Y. Hong, "Quantitative vapour-liquid visualization using laser-induced exciplex fluorescence", J OPT A-P A, 3(5), 2001, pp. 338-345

Abstract

We describe an optical technique for quantitative evaluation of the concentrations of coexisting vapour and liquid phases in a spray. A laser-inducedexciplex fluorescence visualization system allows time-resolved two-dimensional fluorescence images of vapour and liquid distributions to be acquiredsimultaneously using two-colour emission. The method is based on the exciplex formers DRA (N, N-dimethylaniline) and 1, 4, 6-TMN (trimethylnaphthalene) in a non-polar solvent. We report here methods for quantitatively calibrating the liquid and vapour phases of a solution containing 90% isooctane.,5% DMA and 5% 1, 4, 6-TMN. The evaluation of fluorescence intensities yields quantitative two-dimensional concentration maps of liquid and vapour phases. This technique is expected to find applications in studying mixture formation in diesel or spark ignition engines with spectrally well-separated fluorescence images obtained from the monomer and exciplex constituents dissolved in a fuel.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 19/01/20 alle ore 00:56:58