CAJ | 학술논문

段塞流是气液两相流动中的一种常见流型，由于地形原因，管路多处于起伏状态，而目前国内外对起伏诱发的气液两相管路段塞流研究尚不成熟。针对实际气液两相管路中频繁出现的地形起伏段塞流，首先利用历史数据对现有段塞流模型的适用性进行了比较，建立了地形起伏状态下段塞流的液塞追踪修正模型，最后利用FLUENT软件进行了模拟，研究了管路起伏诱发状况对段塞流段塞分布、拐角处持液率、液塞长度和压降的影响，并将模拟压降与计算压降进行对比，结果表明建立的模型具有一定的精度，对于实际的地形起伏诱发段塞流管道的安全高效运行有一定的指导意义。
단새류시기액량상류동중적일충상견류형，유우지형원인，관로다처우기복상태，이목전국내외대기복유발적기액량상관로단새류연구상불성숙。침대실제기액량상관로중빈번출현적지형기복단새류，수선이용역사수거대현유단새류모형적괄용성진행료비교，건립료지형기복상태하단새류적액새추종수정모형，최후이용FLUENT연건진행료모의，연구료관로기복유발상황대단새류단새분포、괴각처지액솔、액새장도화압강적영향，병장모의압강여계산압강진행대비，결과표명건립적모형구유일정적정도，대우실제적지형기복유발단새류관도적안전고효운행유일정적지도의의。
Slugflow is a common flow patterns in gas-liquid two-phase flow,due to the terrain, pipeline is in a state of hilly terrain, and at present the research of terrain slugs in gas-liquid two-phase pipeline was not yet mature both at home and abroad.In view of the actual pipeline terrain slugs in the gas-liquid two-phase frequently, first, on the applicability of the existing slug flow models were compared by use of historical data; the liquid slug tracking correction model of terrain slugs were established, finally, the influence of hilly terrain on slugs distribution, liquid holdup on lower elbow, liquid slug length and the pressure drop were simulated and studied by using FLUENT software;and the simulated pressure drop compared with the calculation of pressure drop,the results indicate that the model has certain precision. It’s result has certain guiding significance to the safe and efficient operation for the actual hilly terrain pipeline.