金涌1; 俞芷青1; P.N. ROWE2; D.J. CHEESMAN2
1 Dept. of Chem. Eng., Tsinghua University, Beijing
2 Dept. of Chem. and Biochem. Eng., University College London, London, England
JIN Yong1; YU Zhiqing1; P.N. ROWE2; D.J. CHEESMAN2
摘要: Dense phase voidage can be estimated by cutting gas flow and following the rate of bed collapse. Abrupt cessation of flow is not possible when excess gas in the windbox can only discharge through the bed. The magnitude of this problem is examined experimentally.