Transient behavior of the vertical distribution of solid holdup with a step change in liquid velocity in a long bubble column

被引：0

作者：

Hidaka, Nobuyuki ^{[1
]}

Masuda, Takahiro ^{[1
]}

Matsumoto, Toshitatsu ^{[1
]}

Morooka, Shigeharu ^{[1
]}

机构：

[1] Kagoshima Univ, Kagoshima, Japan

来源：

Industrial and Engineering Chemistry Research | 1993年 / 32卷 / 08期

关键词：

Bubble columns - Dispersions - Flow of fluids - Fluidization - Mathematical models - Sedimentation - Sieves - Velocity;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Sieved glass beads 480 μm in diameter are suspended by upward concurrent gas and liquid flow in a vertical bubble column of 7-cm diameter and 4.85-m height. Transient changes in the holdups of gas and solid particles are caused by a step change in the liquid velocity, and the time-dependent behavior of the axial distributions of the phase holdups is measured by sectioning the column simultaneously with 20 horizontal plates. A one-dimensional sedimentation-dispersion model is applied to describe the transient response of the solid holdup. The model developed is in good agreement with the data over an entire column consisting of dense and dilute regions.

引用

页码：1588 / 1591

共 31 条

[21] Influence of gas distribution and regime transitions on liquid velocity and turbulence in a 3-D bubble column
Vial, C
Lainé, R
Poncin, S
Midoux, N
Wild, G
CHEMICAL ENGINEERING SCIENCE, 2001, 56 (03) : 1085 - 1093
[22] GAS HOLDUP AND VOLUMETRIC LIQUID-PHASE MASS-TRANSFER COEFFICIENT IN SOLID-SUSPENDED BUBBLE COLUMN WITH DRAFT TUBE
KOIDE, K
HORIBE, K
KAWABATA, H
ITO, S
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, 1985, 18 (03) : 248 - 254
[23] GAS HOLDUP AND VOLUMETRIC LIQUID-PHASE MASS TRANSFER COEFFICIENT IN SOLID-SUSPENDED BUBBLE COLUMN WITH DRAUGHT TUBE.
Koide, Kozo
Horibe, Kazuyoshi
Kawabata, Hirokazu
Ito, Shigetaka
1600, (18):
[24] Gas-holdup distribution and energy dissipation in an ejector-induced downflow bubble column: the case of non-Newtonian liquid
Mandal, A
Kundu, G
Mukherjee, D
CHEMICAL ENGINEERING SCIENCE, 2004, 59 (13) : 2705 - 2713
[25] DISTRIBUTION OF VELOCITY COMPONENTS AND LIQUID HOLDUP IN SHORT VERTICAL TUBES WITH SWIRL BODIES IN THE INLET PART OF THE TUBE AT COCURRENT GAS-LIQUID FLOW
WINKLER, K
KASTANEK, F
COLLECTION OF CZECHOSLOVAK CHEMICAL COMMUNICATIONS, 1982, 47 (05) : 1470 - 1478
[26] Experimental study on boiling flow of liquid nitrogen in vertical tubes: Taylor bubble length distribution and rising velocity
Wang, S.
Zhang, H.
Liu, Y.
Wang, J.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING, 2009, 223 (G6) : 837 - 842
[27] Dense gas-liquid-solid flow in a slurry bubble column: Measurements of dynamic characteristics, gas volume fraction and bubble size distribution
Tyagi, Parul
Buwa, Vivek V.
CHEMICAL ENGINEERING SCIENCE, 2017, 173 : 346 - 362
[28] The effect of superficial gas velocity and aerated liquid height on the spatial distribution of local liquid-phase axial dispersion coefficients in a bubble column
Nedeltchev, S
Ookawara, S
Ogawa, K
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, 2005, 38 (01) : 1 - 11
[29] Gas-Liquid-Solid Volumetric Phase Distribution Estimation in a Cold Slurry Bubble Column System for Hydro-Conversion Processes
Paiva-Rojas, Miguel V.
Contreras-Andrade, Virginia
Araujo, Solange C.
COMPUTATIONAL AND EXPERIMENTAL FLUID MECHANICS WITH APPLICATIONS TO PHYSICS, ENGINEERING AND THE ENVIRONMENT, 2014, : 369 - 378
[30] Rising velocity of large bubble and large particle of gas-liquid-solid three-phase slug flow with large particles in a vertical pipe
Sakaguchi, T
Minagawa, H
Yang, JL
Hamaguchi, H
INTERNATIONAL SYMPOSIUM ON MULTI-PHASE FLOW AND TRANSPORT PHENOMENA, 2001, : 33 - 40

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