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Titolo:
Characterization of the thermal properties of gases using a thermal wave interferometer
Autore:
Lima, JAP; Marin, E; da Silva, MG; Sthel, MS; Schramm, DU; Cardoso, SL; Vargas, H; Miranda, LCM;
Indirizzi:
Univ Estadual Norte Fluminense, Ctr Ciencia Tecnol, BR-28015620 Sao Jose Dos Campos, Brazil Univ Estadual Norte Fluminense Sao Jose Dos Campos Brazil BR-28015620 BC Univ Estadual Maringa, Dept Fis, BR-87020900 Maringa, PR, Brazil Univ Estadual Maringa Maringa PR Brazil BR-87020900 BCMaringa, PR, Brazil Univ La Habana, Fac Fis, Havana 10400, Cuba Univ La Habana Havana Cuba 10400 La Habana, Fac Fis, Havana 10400, Cuba
Titolo Testata:
MEASUREMENT SCIENCE & TECHNOLOGY
fascicolo: 11, volume: 12, anno: 2001,
pagine: 1949 - 1955
SICI:
0957-0233(200111)12:11<1949:COTTPO>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
RESONATOR CAVITY; AIR;
Keywords:
thermal properties; gases; thermal waves; interferometer; binary mixtures; combustion;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
25
Recensione:
Indirizzi per estratti:
Indirizzo: Lima, JAP Univ Estadual Norte Fluminense, Ctr Ciencia Tecnol, Av Alberto Lamego 2000,Campos Goytacazes, BR-28015620 Sao Jose Dos Campos, Brazil Univ Estadual Norte Fluminense Av Alberto Lamego 2000,Campos Goytacazes Sao JoseDos Campos Brazil BR-28015620 BC
Citazione:
J.A.P. Lima et al., "Characterization of the thermal properties of gases using a thermal wave interferometer", MEAS SCI T, 12(11), 2001, pp. 1949-1955

Abstract

A method suitable for the thermal characterization of gases is described. It is based on thermal wave interference (TWI) in a cavity. A TWI device was constructed and the thermal diffusivity of different binary gas mixtures as a function of their relative concentration was measured. From these values, using a logarithm mixing model for the thermal conductivity of a two-phase gas system, the thermal properties of the corresponding pure gases werecalculated. The data obtained for several test gases show good agreement with values reported in the literature.

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Documento generato il 02/07/20 alle ore 22:39:18