Void fraction profile in tube-banks of a simulated fluidized-bed heat exchanger

被引:7
|
作者
Ozawa, M
Umekawa, H
Matsuda, T
Takenaka, N
Tsuruno, A
Matsubayashi, M
机构
[1] KOBE UNIV,DEPT MECH ENGN,KOBE 657,JAPAN
[2] JAPAN ATOM ENERGY RES INST,TOKAI RES ESTAB,TOKAI,IBARAKI 31911,JAPAN
关键词
fluidized bed; tube-bank; flow pattern; void fraction;
D O I
10.1016/0168-9002(96)00131-3
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Flow visualization of cross-flow tube-banks in a simulated fluidized-bed was conducted by using the neutron radiography system of JRR-3M. Applying the image processing technique to the visualized image, the void fraction profile in the tube-bank was obtained. The observed flow pattern and the void fraction profile demonstrate the importance of the tube arrangement in fluidized-bed hear exchangers.
引用
收藏
页码:144 / 147
页数:4
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