IMECH-IR  > 流固耦合系统力学重点实验室
Evaluation of the Behavioral Characteristics in a Gas and Heavy Oil Stratified Flow According to the Herschel-Bulkley Fluid Model
Hou LT(侯林彤)1,2; Liu S(刘硕)1; Zhang J(张健)1; Xu JY(许晶禹)1,2
Source PublicationACS OMEGA
2020-07-21
Volume5Issue:28Pages:17787-17800
ISSN2470-1343
Abstract

At present, most researches on gas-liquid two-phase flow use a power-law fluid model. However, with the development of unconventional petroleum resources and the restarting of heavy oil, the fluid showed strong yield characteristics. The power-law constitutive will not be able to express the yield-pseudoplastic fluid rheological properties. In order to make the study applicable to a larger range of shear rates, this study used the Herschel-Bulkley fluid model to discuss the gas-liquid flow characteristics. Based on the Herschel-Bulkley fluid constitutive, a two-fluid model, combined with dimensionless and iterative calculation methods, was used to theoretically derive the prediction model of liquid holdup and pressure drop for gas-liquid stratified flow. The effects of non-Newtonian fluid rheological parameters, flow conditions, and pipeline geometry on Herschel-Bulkley fluid and gas stratified flow were further analyzed. The results show that the power-law index n and the yield stress tau(0) (characterizing the rheological characteristics of the liquid phase) have significant effects on the gas-liquid two-phase stratified flow. Specifically, the enhanced liquid yield and shear thinning characteristics will lead to an increase in liquid holdup and a decrease in pressure drop. Comparing with the experimental data, the calculation model proposed in this work has a good prediction effect and provides new insights into the flow behavior of gas and waxy heavy oil with yield stress.

DOI10.1021/acsomega.0c02482
Indexed BySCI
Language英语
WOS IDWOS:000554991800083
WOS KeywordNON-NEWTONIAN LIQUID ; TRANSITION ; STABILITY ; PIPES
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
Funding ProjectNational Natural Science Foundation of China[51779243] ; Strategic Priority Research Program of the Chinese Academy of Science[XDB22030101]
Funding OrganizationNational Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Science
Classification二类
Ranking1
ContributorXu JY(许晶禹)
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/84822
Collection流固耦合系统力学重点实验室
Affiliation1.Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China;
2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Hou LT,Liu S,Zhang J,et al. Evaluation of the Behavioral Characteristics in a Gas and Heavy Oil Stratified Flow According to the Herschel-Bulkley Fluid Model[J]. ACS OMEGA,2020,5(28):17787-17800.
APA Hou LT,Liu S,Zhang J,&Xu JY.(2020).Evaluation of the Behavioral Characteristics in a Gas and Heavy Oil Stratified Flow According to the Herschel-Bulkley Fluid Model.ACS OMEGA,5(28),17787-17800.
MLA Hou LT,et al."Evaluation of the Behavioral Characteristics in a Gas and Heavy Oil Stratified Flow According to the Herschel-Bulkley Fluid Model".ACS OMEGA 5.28(2020):17787-17800.
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