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化工学报  2014 

应用改型三通实现气液两相流的等干度分配

DOI: 10.3969/j.issn.0438-1157.2014.03.010, PP. 836-842

Keywords: 冲击型三通,孔板,气液两相流,模型,实验验证,等干度

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Abstract:

针对冲击型三通进行气液两相分配时,两支路之间出现干度不相等的现象,提出了一种有效的改进措施——在三通的支路中加装孔板。首先,通过分析冲击型三通的相分配特点,解释了其不能实现等干度分配的原因。然后,又进一步阐述了改型三通的分配原理,并且在空气-水回路上对该分配装置进行了实验研究。实验结果表明,该分配装置能显著改善气液两相流的分配特性,降低两支路之间的干度差,在孔板尺寸选取合适的情况下,基本上实现了等干度分配。最后根据理论模型和实验数据,给出了影响该分配装置等干度分配的因素和最佳孔径比的计算式。

References

[1]  Azzopardi B J. Phase separation at T-junctions[J]. Multiphase Science and Technology, 1999, 11(4): 223-329
[2]  Wang Shuangfeng, Huang Jianzhen, He Kui, Chen Jinfang. Phase split of nitrogen/non-Newtonian fluid two-phase flow at a micro-T-junction[J]. International Journal of Multiphase Flow, 2011, 37(9):1129-1134
[3]  Yang L, Azzopardi B J. Phase split of liquid-liquid two-phase flow at a horizontal T-junction[J]. International Journal of Multiphase Flow, 2007, 33(2):207-216
[4]  Azzopardi B J. T-junctions as phase separators for gas-liquid flows: possibilities and problems[J]. Chemical Engineering Research and Design, 1993, 71(3):273-281
[5]  Shoham O, Arirachakaran S, Brill J P. Two-phase flow splitting in a horizontal reduced pipe tee[J]. Chemical Engineering Science, 1989, 44(10):2388-2391
[6]  Welter K B, Wu Q, You Y, Abel K, McCreary D, Bajorek S M, Reyes Jr J N. Experimental investigation and theoretical modeling of liquid entrainment in a horizontal tee with a vertical-up branch[J]. International Journal of Multiphase Flow, 2004, 30(12):1451-1484
[7]  Elazhary A M, Soliman H M. Two-phase flow in a horizontal mini-size impacting T-junction with a rectangular cross-section[J]. International Journal of Multiphase Flow, 2012, 42:104-114
[8]  Emerson dos Reis, Leonardo Goldstein Jr. Fluid dynamics of horizontal air-water slug flows through a dividing T-junction[J]. International Journal of Multiphase Flow, 2013, 50:58-70
[9]  Azzopardi B J, Smith P A. Two-phase flow split at T-junctions: effect of side arm orientation and downstream geometry[J]. International Journal of Multiphase Flow, 1992, 18(6):861-875
[10]  Bartley J T, Soliman H M, Sims G E. Experimental investigation of the onsets of gas and liquid entrainment from a small branch mounted on an inclined wall[J]. International Journal of Multiphase Flow, 2008, 34(10):905-915
[11]  Wren E, Azzopardi B J. Affecting the phase split at a large diameter T-junction by using baffles[J]. Experimental Thermal and Fluid Science, 2004, 28(8):835-841
[12]  Hong K C. Two-phase flow splitting at a pipe tee[J]. Journal of Petroleum Technology, 1978, 30(2): 290-296
[13]  El-Shaboury A M F, Soliman H M, Sims G E. Two-phase flow in a horizontal equal-sided impacting tee junction[J]. International Journal of Multiphase Flow, 2007, 33(4):411-431
[14]  Peake W T, Chevron USA INC. Steam distribution surveillance and analysis//SPE Western Regional Meeting[C]. Bakersfield, California, 1992
[15]  Hwang S T, Soliman H M, Lahey Jr R T. Phase separation in impacting wyes and tees[J]. International Journal of Multiphase Flow, 1989, 15(6): 965-975
[16]  Jones J, Williams R L. A two-phase flow-splitting device that works[J]. SPE Production & Facilities, 1993, 8(3):197-202
[17]  Stoisits F, Pinto M T. Improved static mixer design for achieving equal phase splitting at pipe junctions//International Thermal Operations/Heavy Oil Symposium[C]. Bakersfield, California,1999
[18]  Hong K C, Suzanne Griston. Two-phase flow splitting at an impacting tee[J]. SPE Production & Facilities, 1995, 10(3):184-190 SPE Production target="_blank">
[19]  Lin Zonghu(林宗虎),Wang Shuzhong(王树众),Wang Dong(王栋). Gas-liquid Two-phase Flow and Boiling Heat Transfer(气液两相流和沸腾传热)[M]. Xi'an:Xi'an Jiaotong University Press,2003
[20]  Melkamu A Woldesemayatt, Afshin J Ghajar. Comparison of void fraction correlations for different flow patterns in horizontal and upward inclined pipes[J]. International Journal of Multiphase Flow, 2007, 33(4):347-370

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