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Geldart 분류 A, B, D 입자의 기체유동층에서 기포크기에 관한 통일된 상관식
A Unified Correlation for the Bubble Size in Gas Fluidized beds of Geldart Group A, B, D Particles
HWAHAK KONGHAK, April 1995, 33(2), 251-257(7), NONE
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Abstract
Geldart group A, B, D 입자의 기체유동층에서 기포의 합체빈도와 분쇄빈도가 동시에 고려된 기포크기에 관한 통일된 모델 상관식을 제시하였다. 또 기포흐름분율, 단일기포의 분쇄빈도, 합체빈도와 분쇄빈도가 같은 조건에서 평형기포크기에 관한 상관식도 제시하였다. 제시된 상관식은 문헌의 보고된 기포크기와 만족스러운 일치를 보였다.
A unified correlation on the bubble size which considered coalescence and splitting of bubbles has been derived in gas fluidized beds of Geldart group A, B and D particles. In addition, correlations has been proposed to describe respectively the bubble flow faction of the excess gas flow rate A(U-Umf), the splitting frequency of the single bubble and the equilibrium bubble diameter on the condition that the coalescing rate is equal to the splitting rate in bubbles. The proposed correlation on the bubble diameter agreed satisfactorily to the data reported in the literature.
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Fryer C, Potter OE, AIChE J., 22, 38 (1976)
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Hatate Y, King DF, Migita M, Ikari A, J. Chem. Eng. Jpn., 18, 99 (1985)
Harrison D, Davidson JF, Kock JW, Trans. Instn. Chem. Eng., 39, 202 (1961)
