Measurement of gas hold-up distribution and digital color image reconstruction for standard gas-liquid Rushton stirred tank with Cs-137 γ-CT

Gao Xiao Hua Xue Gong Cheng Xue Bao/Journal of Chemical Engineering of Chinese Universities

Volumn 20, Issue 4, 2006, Pages 648-652

  Liu, Yue Jin ^a   Han, Lu Chang ^a   Luo, He An ^a   Al Dahhan, M ^b   Dudukovic, M P ^b  

^a XIANGTAN UNIVERSITY   (China)

^b WASHINGTON UNIVERSITY IN ST LOUIS   (United States)

Author keywords

CT; Gas hold up distribution; Gas liquid Rushton stirred tank; Image reconstruction; Measurement

Indexed keywords

DIGITAL COLOR IMAGE RECONSTRUCTION; GAMMA-CT; GAS HOLD-UP DISTRIBUTION; GAS-LIQUID RUSHTON STIRRED TANK;

CHEMICAL REACTORS; COMPUTERIZED TOMOGRAPHY; DIGITAL SIGNAL PROCESSING; GAMMA RAYS; IMAGE RECONSTRUCTION; MATHEMATICAL MODELS;

MULTIPHASE FLOW;

EID: 33749477088     PISSN: 10039015     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (11)

1. Kumar B, Moslemian D, Dudukovic M P. A γ-ray tomographic scanner for imaging of voidage distribution in two-phase flow systems [J]. Flow Meas. Instrum. 1995, 6 (1): 61-73.
2. Kumar S B, Moslemian D, Dudukovic M P. Gas holdup measurements in bubble columns using computed tomography [J]. AIChE J, 1997, 43 (6): 1414-1425.
3. Jamal Chaouki, Fallcü al Larachi, Dudukovic M P. Noninvasive tomographic and velocimetric monitoring of multiphase flows [J]. Ind Eng Chem Res. 1997, 36 (11): 4476-4503.
4. Chen J W, Rados N, Al-Dahhan M H, Dudukovic M P, Nguyen D, Parimi K. Particle motion in packed/ebullated beds by CT and CARPT [J]. AIChE J, 2001, 47 (5): 994-1004.
5. Kemoun A, Ong B C, Gupta P, Al-Dahhan M H, Dudukovic M P. Gas holdup in bubble columns at elevated pressure via computed tomography [J]. International Journal of Multiphase Flow, 2001, 27 (5): 929-946.
6. Dudukovic M P. Opaque multiphase flows: experiments and modeling [J]. Experimental Thermal and Fluid Science, 2002, 26 (6-7): 747-761.
7. Herman G T. Image Reconstruction from Projections: Implementation and Applications [M]. Springer-Verlag, 1979.
8. Gordon R. A tutorial on ART [Z]. IEEE Trans on Nuclear Sci, 1974, NS-21, 3: 78-93.
9. Lange K, Carson R. EM reconstruction algorithms for emission and transmission tomography [J]. J Comput Assist Tomogr, 1984, 8 (2): 306-316.
10. Kumar Sailesh B. Computed Tomographic Measurements of Void Fraction and Modeling of the Flow in Bubble Columns [D]. St-louis, USA: Washington University in St. Louis, 1994.
11. Bombac A, Zun I, Filipic B. Gas filled cavity structures and local void fraction distribution in aerated stirred vessel [J]. AIChE J, 1997, 43 (11): 2921-2931.