水平和倾斜管内气液分层流界面稳定性

CIESC Journal

• TRANSPORT PHENOMENA & FLUID MECHANICS • 下一篇

水平和倾斜管内气液分层流界面稳定性

顾汉洋^1,2; 郭烈锦¹

¹ State Key Laboratory of Multiphase Flow, Xi’an Jiaotong University, Xi’an 710049, China
² School of Nuclear Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

收稿日期:2006-12-20 修回日期:1900-01-01 出版日期:2007-10-28 发布日期:2007-10-28
通讯作者: 顾汉洋

Stability of stratified gas-liquid flow in horizontal and near horizontal pipes

GU Hanyang^1,2; GUO Liejin¹

¹ State Key Laboratory of Multiphase Flow, Xi’an Jiaotong University, Xi’an 710049, China
² School of Nuclear Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Received:2006-12-20 Revised:1900-01-01 Online:2007-10-28 Published:2007-10-28
Contact: GU Hanyang

摘要/Abstract

摘要： A viscous Kelvin-Helmholtz criterion of the interfacial wave instability is proposed in this paper based on the linear stability analysis of a transient one-dimensional two-fluid model. In this model, the pressure is evaluated using the local momentum balance rather than the hydrostatic approximation. The criterion predicts well the stability limit of stratified flow in horizontal and nearly horizontal pipes. The experimental and theoretical investigation on the effect of pipe inclination on the interfacial instability are carried out. It is found that the critical liquid height at the onset of interfacial wave instability is insensitive to the pipe inclination. However, the pipe inclination significantly affects critical superficial liquid velocity and wave velocity especially for low gas velocities.

关键词: two-fluid model;Kelvin-Helmholtz criterion;interfacial instability;gas-liquid stratified flow

Abstract: A viscous Kelvin-Helmholtz criterion of the interfacial wave instability is proposed in this paper based on the linear stability analysis of a transient one-dimensional two-fluid model. In this model, the pressure is evaluated using the local momentum balance rather than the hydrostatic approximation. The criterion predicts well the stability limit of stratified flow in horizontal and nearly horizontal pipes. The experimental and theoretical investigation on the effect of pipe inclination on the interfacial instability are carried out. It is found that the critical liquid height at the onset of interfacial wave instability is insensitive to the pipe inclination. However, the pipe inclination significantly affects critical superficial liquid velocity and wave velocity especially for low gas velocities.

Key words: two-fluid model, Kelvin-Helmholtz criterion, interfacial instability, gas-liquid stratified flow

顾汉洋, 郭烈锦. 水平和倾斜管内气液分层流界面稳定性[J]. CIESC Journal.

GU Hanyang, GUO Liejin. Stability of stratified gas-liquid flow in horizontal and near horizontal pipes[J]. .

参考文献

1 Zheng, G., Brill, J.P., “Slug flow behavior in a hilly terrain pipeline”, Int. J. Multiphase Flow, 20, 63—79(1994).
2 Bendiksen, K.H., Malnes, D., Nydal, O.J., “On the mod-eling of slug flow”, Chem. Eng. Commun., 141/142, 71—102(1996).
3 Cook, M., Behnia, M., “Slug length prediction in near horizontal gas-liquid intermittent flow”, Chem. Eng. Sci., 55, 2009—2018(2000).
4 van Hout, R., Barnea, D., Shemer, L., “Evolution of sta-tistical parameters of gas-liquid slug flow along vertical pipes”, Int. J. Multiphase Flow, 27, 1579—1602(2001).
5 van Hout, R., Shemer, L., Barnea, D., “Evolution of hy-drodynamic and statistical parameters of gas-liquid slug flow along inclined pipes”, Chem. Eng. Sci., 58, 115—133(2003).
6 Taitel, Y., Barnea, D., “Effect of gas compressibility on a slug tracking model”, Chem. Eng. Sci., 53, 2089—2097(1998).
7 Fabre, J., Line, A., “Modeling of two-phase slug flow”, Ann. Rev. Fluid Mech., 24, 21—26(1992).
8 Fan, Z., Lusseyran, F., Hanratty, T.J., “Initiation of slugs in horizontal gas-liquid flows”, AIChE J., 39, 1741—1753(1993).
9 Woods, B.D., Hanratty, T.J., “Influence of Froude num-ber on physical processes determining frequency of slug-ging in horizontal gas-liquid flows”, Int. J. Multiphase Flow, 25, 1195—1223(1999).
10 Milne-Thomson, L.M, Theoretical Hydrodynamics, MacMillan Press, London (1968).
11 Yih, C.S., Fluid Mechanics, McGraw-Hill, New York (1969).
12 Wallis, G.B., Dobson, J.E., “The onset of slugging in horizontal stratified air-water flow”, Int. J. Multiphase Flow, 1, 173—193(1973).
13 Taitel, Y., Dukler, A.E., “A model for predicting flow re-gime transitions in horizontal and near horizontal gas-liquid flow”, AIChE J., 22, 47—55(1976).
14 Lin, P.Y., Hanratty, T.J., “Prediction of the initiation of slugs with linear stability theory”, Int. J. Multiphase Flow, 12, 79—98(1986).
15 Barnea, D., “On the effect of viscosity on stability of stratified gas-liquid flow - application to flow pattern transition at various pipe inclinations”, Chem. Eng. Sci., 46, 2123—2131(1991).
16 Barnea, D., Taitel, Y., “Kelvin-Helmholtz stability crite-ria for stratified flow: Viscous versus non-viscous (invis-cid) approaches”, Int. J. Multiphase Flow, 19, 639—649(1993).
17 Funada, T., Joseph, D.D., ”Viscous potential flow analy-sis of Kelvin-Helmholtz instability in a channel”, Int. J. Multiphase Flow, 28, 263—283(2001).
18 Liu, W.S., “Stability of interfacial waves in two-phase flows”, In: Proceedings of the 16th Annual Conference of the Canadian Nuclear Society of 1995, Saskatoon, Canada (1995).
19 Barnerjee, S., “Separated flow models (Ⅱ), Higher order dispersion effects in the averaged formulation”, Int. J. Multiphase Flow, 6, 241—248(1980).
20 Gu, H.Y., Guo, L.J., “Experimental investigation of slug initiation and evolution in two-phase horizontal flow”, In: the 5th International Symposium on Multiphase Flow, Heat Mass Transfer and Energy Conversion, Xi’an, China (2005).
21 Andreussi, P., Bendiksen, K.H., “Investigation of void fraction in liquid slugs for horizontal and inclined gas-liquid pipe flow”, Int. J. Multiphase Flow, 15, 937—946(1989).

水平和倾斜管内气液分层流界面稳定性

Stability of stratified gas-liquid flow in horizontal and near horizontal pipes

PDF (PC)

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 0

编辑推荐

Metrics

本文评价