Titre :
|
Mixing in the interaction zone of two free jets
|
Titre original:
|
Mélange dans la zone d'interaction de deux fluides
|
Auteurs :
|
H. Becker ;
B. Booth
|
Type de document :
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article/chapitre/communication
|
Année de publication :
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1975
|
Format :
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949-958
|
Langues:
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= Anglais
|
Catégories :
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THERMIQUE THERMODYNAMIQUE
|
Mots-clés:
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JET
;
MELANGE DE FLUIDE
;
CONCENTRATION
;
MODELISATION
;
TRACEUR
;
MODELE MATHEMATIQUE
;
ECOULEMENT
|
Résumé :
|
Mixing in the interaction zone of two round free jets with nozzle axes intersecting at half-angles of 15, 30 and 45 deg. has been studied by the smoke scattered light technique. The fields of mean concentration and concentration fluctuation intensity were mapped with one jet marked with smoke, the other jet marked, and both jets marked. The correlation function between the concentration fluctuations associated with fluid of the two nozzle streams has been calculated from the results and is an important characteristic of the mixing field and a significant measure of molecular mixedness. A transport equation for the associated covariance function is derived, and the special features of the mathematical modeling problem for this class of mixing process are discussed. The implications of the results for processes involving chemical reactions are examined.
|
Source :
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AIchE journal, vol.21, n°5
|