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Titolo:
THE STABILITY OF VISCOUS-LIQUID JETS IN A SWIRLING GAS
Autore:
YI SJ; XIE MZ; CHEN BX;
Indirizzi:
CHENGDU ELECTROMECH COLL CHENGDU 610031 PEOPLES R CHINA DALIAN UNIV TECHNOL,DEPT POWER ENGN DALIAN 116023 PEOPLES R CHINA
Titolo Testata:
Acta Mechanica Sinica
fascicolo: 3, volume: 14, anno: 1998,
pagine: 226 - 233
SICI:
0567-7718(1998)14:3<226:TSOVJI>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Soggetto:
BREAKUP;
Keywords:
JET; STABILITY; DISPERSION EQUATION; SWIRLING GAS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
7
Recensione:
Indirizzi per estratti:
Citazione:
S.J. Yi et al., "THE STABILITY OF VISCOUS-LIQUID JETS IN A SWIRLING GAS", Acta Mechanica Sinica, 14(3), 1998, pp. 226-233

Abstract

Based on the linear analysis of stability, a dispersion equation is deduced which delineates the evolution of a general 3-dimensional disturbance on the free surface of an incompressible viscous liquid jet injected into a gas with swirl. Here, the dimensionless parameter J(e) isagain introduced, in the meantime, another dimensionless-parameter E called as circulation is also introduced to represent the relative swirling intensity. With respect to the spatial growing disturbance mode,the numerical results obtained from solving the dispersion equation reveal the following facts. First, at the same value of E, in pace-withthe changing of J(e), the variation of disturbance and the critical disturbance mode still keep the same characters. Second, the present results are the same as that of S.P. Lin when J(e) > 1; but in the rangeof J(e) < 1, it's no more the case, the swirl decreases the axisymmetric disturbance, yet increases the asymmetric disturbance, furthermorethe swirl may make the character of the most unstable disturbance mode changed (axisymmetric or asymmetric); the above action of the swirl becomes much Stronger when J(e) << 1.

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Documento generato il 23/09/20 alle ore 13:17:22