石油化工高等学校学报
石油化工高等學校學報
석유화공고등학교학보
JOURNAL OF PETROCHEMICAL UNIVERSITIES
2013年
5期
75-77,82
,共4页
范开峰%王卫强%阿斯汗%石海涛%程涛
範開峰%王衛彊%阿斯汗%石海濤%程濤
범개봉%왕위강%아사한%석해도%정도
水平T型管%油水两相流%中质稠油%VOF模型
水平T型管%油水兩相流%中質稠油%VOF模型
수평T형관%유수량상류%중질주유%VOF모형
Horizontal T-tube%Two-phase flow of oil-water%Medium heavy oil%VOF model
针对我国稠油油田较多和油田含水率高的特点,运用 VOF多相流模型对地面集输管网中较为常见的水平T型管内油水两相流流动进行数值模拟。给定条件下中质稠油含水率为80%,流速1.5 m/s,模拟结果为油水两相流属于水包油型分散流型,水作为基本相,油为分散相。分支前主管段内压力值以300 Pa/m的速率线性减小,分支处主管段内压力值有所增大,而后随着流动线性减小,分析了支管段内油水两相流的压力降机理。研究结果对于优化管网结构、合理设计管道参数、管道腐蚀与防护具有重要作用。
針對我國稠油油田較多和油田含水率高的特點,運用 VOF多相流模型對地麵集輸管網中較為常見的水平T型管內油水兩相流流動進行數值模擬。給定條件下中質稠油含水率為80%,流速1.5 m/s,模擬結果為油水兩相流屬于水包油型分散流型,水作為基本相,油為分散相。分支前主管段內壓力值以300 Pa/m的速率線性減小,分支處主管段內壓力值有所增大,而後隨著流動線性減小,分析瞭支管段內油水兩相流的壓力降機理。研究結果對于優化管網結構、閤理設計管道參數、管道腐蝕與防護具有重要作用。
침대아국주유유전교다화유전함수솔고적특점,운용 VOF다상류모형대지면집수관망중교위상견적수평T형관내유수량상류류동진행수치모의。급정조건하중질주유함수솔위80%,류속1.5 m/s,모의결과위유수량상류속우수포유형분산류형,수작위기본상,유위분산상。분지전주관단내압력치이300 Pa/m적속솔선성감소,분지처주관단내압력치유소증대,이후수착류동선성감소,분석료지관단내유수량상류적압력강궤리。연구결과대우우화관망결구、합리설계관도삼수、관도부식여방호구유중요작용。
Aiming at the characteristics of the existence of many heavy oil fields an country ,conducting numerical simulation with the use of VOF multiphase flow model on two-phase oil-water flows in horizontal T-tube which are common on gathering pipeline network .Under given conditions ,the moisture content in medium heavy oil was 80% ,the flow rate was 1 .5 m/s ,the simulation results show that the two-phase oil-water flow belongs to the pattern of oil-in-water dispersed flow ,the water plays the role of the basic phase and oil as the dispersed phase .The pressure in the trunk pipeline before branch reduces at the linear rate of 300 Pa/m ,the pressure increases in the branch section ,then decreases linearly with the flow ,analyzed the mechanism of pipeline pressure drop in the branch pipeline .The results will play an important role in optimizing network structure ,designing reasonable parameters of pipeline ,controlling pipeline corrosion and protecting pipelines .