3-DIMENSIONAL MODELING OF THE COUPLED FLOW FIELD AND HEAT-TRANSFER IN CONTINUOUS-FLOW ELECTROPHORESIS

被引:18
作者
JOUVE, N
CLIFTON, MJ
机构
[1] Laboratoire de Génie Chimique et Electrochimie, U.R.A. CNRS 192, Université Paul Sabatier, 31062 Toulouse Cedex
关键词
D O I
10.1016/0017-9310(91)90088-V
中图分类号
O414.1 [热力学];
学科分类号
摘要
A numerical model describing the steady, three-dimensional fluid flow and heat transfer in continuous-flow zone electrophoresis is developed to show the influence of gravitation on this process. It is capable of predicting undesirable effects, due to natural convection, such as back-flow and inlet and outlet disturbances. Comparison with a simpler two-dimensional model shows that the latter can be used to represent flow and heat transfer in the central part of the chamber. The simpler model is used to establish a correlation which gives the conditions beyond which back-flow occurs.
引用
收藏
页码:2461 / 2474
页数:14
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