New Approach Lagrangian for Numerical Analysis Within L-V One Equilibrium Stage of a Distillation Column Using the SPH Method

IF 3.8 3区 工程技术 Q2 ENGINEERING, CHEMICAL
Jazmín Cortez-González, Rodolfo Murrieta-Dueñas, Carlos Enrique Alvarado-Rodríguez, Juan Gabriel Segovia-Hernández, Salvador Hernández, Roberto Gutiérrez-Guerra
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Abstract

This paper presents a numerical analysis of liquid–vapor equilibrium in a sieve tray of a distillation column using the Smoothed Particle Hydrodynamics (SPH) method. This Lagrangian approach provides a comprehensive understanding of the hydrodynamics, heat transfer, and liquid–vapor interactions within the tray, considering variations in deck area (85%, 90%, and 95%). The study examines flow patterns, flow regimes, weeping phenomena, and heat transfer within the tray. Results indicate that with a reduced deck area, the bubble regime predominates, leading to higher weeping rates and lower temperature uniformity between phases. Conversely, increasing the deck area to 90% or 95% shifts the regime to steam jet and spray, reduces weeping, and enhances phase interaction, thereby improving heat transfer and equilibrium stage efficiency. The study also highlights the effectiveness of the SPH method in simulating complex flow behavior within sieve trays.

Abstract Image

用SPH法对精馏塔L-V - 1平衡段进行数值分析的新方法拉格朗日量
本文采用光滑颗粒流体力学方法对精馏塔筛板内的汽液平衡进行了数值分析。考虑到甲板面积的变化(85%、90%和95%),这种拉格朗日方法提供了对托盘内流体力学、传热和液-气相互作用的全面理解。研究检查流动模式,流动制度,哭泣现象,并在托盘内传热。结果表明,随着甲板面积的减小,气泡占主导地位,导致更高的渗流速率和更低的相间温度均匀性。相反,如果将甲板面积增加到90%或95%,则会使系统转向蒸汽喷射和喷雾,减少渗水,增强相相互作用,从而提高传热和平衡级效率。该研究还强调了SPH方法在模拟筛板内复杂流动行为方面的有效性。
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来源期刊
Industrial & Engineering Chemistry Research
Industrial & Engineering Chemistry Research 工程技术-工程:化工
CiteScore
7.40
自引率
7.10%
发文量
1467
审稿时长
2.8 months
期刊介绍: ndustrial & Engineering Chemistry, with variations in title and format, has been published since 1909 by the American Chemical Society. Industrial & Engineering Chemistry Research is a weekly publication that reports industrial and academic research in the broad fields of applied chemistry and chemical engineering with special focus on fundamentals, processes, and products.
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