Loss coefficients in entrance region flows of Newtonian and non-Newtonian fluids in eccentric annuli

被引：1
|
作者：
Tosun, I [1 ]
Solmaz, S [1 ]
Ozgen, C [1 ]
机构：
[1] Middle E Tech Univ, Dept Chem Engn, TR-06531 Ankara, Turkey
来源：
CHEMICAL ENGINEERING COMMUNICATIONS | 1995年 / 131卷
关键词：
loss coefficients; entrance region; eccentric annulus; Newtonian fluid; non-Newtonian fluid;
D O I：
10.1080/00986449508936292
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Loss coefficients for laminar flow of an incompressible Newtonian and non-Newtonian fluids flowing in an eccentric annulus are calculated by modelling an eccentric annulus as a slit of variable height. While the loss coefficients for a power-law fluid are smaller than those for a Newtonian one, the reverse is true for a Bingham fluid. In the limiting case of a concentric annulus, the results are found to be in good agreement with those reported in the literature.
引用
收藏
页码：207 / 224
页数：18
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