中国石油大学学报（自然科学版）2025，Vol.49Issue(2)：205-213,9.DOI:10.3969/j.issn.1673-5005.2025.02.020
甲醇/柴油顺序输送混油规律模拟
Simulation of mixed oil law of methanol/diesel in sequential transportation
摘要
Abstract
Based on the VOF model in computational fluid dynamic(CFD),a straight pipe section model of methanol/diesel sequential transportation was established,and the numerical simulations of methanol/diesel under three different pipe diame-ters,three different pipe lengths,three different inclination angles and different transportation sequences were carried out.The empirical calculation values were compared to analyze and summarize the influence of different working conditions on the amount of oil mixing and the rule of oil mixing.The results show that under the same pipe length and flow rate,the larger the pipe diameter is,the less the oil mixture is produced in the pipeline.Under the same pipe diameter and flow rate,the longer the pipe length,the faster the growth rate of the oil mixture.Under the same height difference and inclination angle,the a-mount of oil mixture is bigger when the oil with a bigger density during the uphill condition transports forward,and it can be inhibited by the increase of the inclination angle when the lighter oil transports forward.When the denser oil transports after-wards in the downhill condition there will be a bigger amount of oil mixture,and therefore the big drop terrain should be avoi-ded in the methanol and oil sequential transportation.When there is a height difference in the pipeline transportation process,the amount of mixed oil in the pipeline will vary greatly with the different transportation sequence.It is suggested that methanol medium with a large pipe diameter and a low density should be adopted in the actual operation pipeline to re-duce the amount of mixed oil in the pipeline.关键词
甲醇/柴油/数值模拟/顺序输送/混油量Key words
methanol/diesel/CFD simulation/sequential transportation/oil mixture分类
能源科技引用本文复制引用
刘翠伟,艾丽纳,杜长慧,聂超飞,杨文,裴业斌,欧维立..甲醇/柴油顺序输送混油规律模拟[J].中国石油大学学报（自然科学版）,2025,49(2):205-213,9.基金项目
国家自然科学基金项目(52274066) （52274066）
