Titre :
|
Mixing in scraped surface heat exchanger geometry using MRI
|
Auteurs :
|
W. Wang ;
J. Walton ;
UNIVERSITY OF CALIFORNIA DEPARTMENT OF BIOLOGICAL AND AGRICULTURAL ENGINEERING ;
K. Maccarthy
|
Type de document :
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article/chapitre/communication
|
Année de publication :
|
2000
|
Format :
|
p. 403-418
|
Langues:
|
= Anglais
|
Catégories :
|
SCIENCES FONDAMENTALES ET APPLIQUEES
|
Mots-clés:
|
TECHNOLOGIE ALIMENTAIRE
;
MECANIQUE DES FLUIDES
;
REFRIGERATION
;
ECHANGEUR DE CHALEUR
;
MELANGE DE FLUIDE
|
Résumé :
|
Mixing, as a unit operation, is a key component in the operation of scraped surface heat exchangers (SSHE) because of its importance in ensuring uniform heat treatment. In this study, two approaches were used to evaluate mixing effectiveness in a process geometry that simulates a closed type SSHE : the strain distribution fonction which was based on velocity profiles and statistical mixing indices based on concentration profiles.This work demonstrates the equivalence of evaluating mixedness by experimental concentration profiles and theoretical velocity profiles.
|
Source :
|
Journal of food process engineering, vol. 23
|