在管道中使用气-粘油双相流量的漂流构成方程进行流的数值模拟
Victor Pugliese1,2, Ana Buelvas3, Oscar Pupo-Roncallo2
1Bob L. Herd Department of Petroleum Engineering, Texas Tech University, 79409, Lubbock, TX, United States.
Heliyon
|December 4, 2023
概括
漂移流量模型有效地模拟了多相流,但需要准确的气体速度方程. 纳入管道倾斜度和液体粘度可以改善粘性流体运输的预测,减少过度估计的能源消耗.
科学领域:
- 流体动力学 流体动力学
- 计算流体动力学的流体动力学.
- 化学工程是化学工程的重要组成部分.
背景情况:
- 多相流量模拟对于石油和天然气等行业至关重要.
- 漂移流量模型提供了比双流体模型更高的计算效率.
- 精确的分散相位速度建模是漂移流量模型预测能力的关键.
研究的目的:
- 为短暂的多相流程开发和验证漂流流模型代码.
- 研究液体粘度和管道几何学对流量预测的影响.
- 评估粘性流体生产中过度估计的能源消耗.
主要方法:
- 使用漂移流量模型进行过渡模拟.
- 实施有限体积方法 (FVM) 用分阶格.
- 包括气相可压缩性和分析管道倾斜和液体粘度效应.
主要成果:
- 开发的代码准确地预测了液体的保持和压力下降梯度.
- 高粘度液体导致过高估计的能源消耗,高达10%的垂直向上流.
- 该研究量化了管道倾斜和液体粘度的影响.
结论:
- 漂移-流动模型,当与准确的构成关系增强时,提供高效的多相流动模拟.
- 准确估计分布系数,考虑到管道倾斜度和液体粘度,至关重要.
- 提出了改善粘性流体运输中的能源消耗计算的建议.
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