化工进展2016，Vol.35Issue(5)：1289-1297,9.DOI:10.16085/j.issn.1000-6613.2016.05.004
水平管气液两相分层流界面剪切预测研究进展
Progress of interfacial shear stress in the gas-liquid stratified flow in horizontal pipes
摘要
Abstract
The gas-liquid two-phase stratified flow has complex momentum and energy transmission phenomena at interface,although its pattern is simple. There are still no unified conclusions for interfacial shear stress in stratified flow. Current progress of interfacial shear stress in horizontal pipes were elaborated by theoretical models,experimental models and numerical simulations. As for theoretical models,closure models were established by models simplification and empirical correlations. Empirical correlations were corrected with closure relations in experiments. Due to simplifying assumptions and experimental conditions,there are some limitations in predicting the interfacial shear stress with theoretical and experimental ways. The detailed flow fields were studied by numerical simulations,but closure relations have been less obtained so far. Five existing models are compared according to liquid holdup and pressure drop. The future research trends of gas-liquid two-phase stratified flow interfacial shear stress in horizontal pipes were further discussed. More detailed local models are needed to be proposed and engineering practice should be taken into account. It is necessary to develop new methods of gas-liquid interface calculations and closure relations for numerical simulations.关键词
水平管/气液两相流/分层流/界面剪切应力/持液率/压降Key words
horizontal pipe/gas-liquid flow/stratified flow/interfacial shear stress/liquid holdup/pressure drop分类
数理科学引用本文复制引用
郑平,赵梁..水平管气液两相分层流界面剪切预测研究进展[J].化工进展,2016,35(5):1289-1297,9.基金项目
国家自然科学基金项目（51201009）。 （）
