加压氢气汽车气缸的数值模拟和热分析:几何形状和相变材料的影响

Q3 Chemical Engineering
Mohamed-Amine Babay, Mustapha Adar, Souad Touairi, Ahmed Chebak, Mustapha Mabrouki
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引用次数: 0

摘要

这项综合研究采用数值模拟和热分析方法,对加压氢气汽车气瓶在加气过程中的细微差别进行了研究。研究涵盖了受气瓶几何形状、质量流量变化和相变材料(PCM)集成影响的复杂动态。涉及不同长径比和入口直径气缸的模拟突出了这些参数对温度控制的影响。值得注意的是,较小的长径比被证明对温度调节有效,而较大的入口直径则能缓解温度上升。研究进一步探讨了不同质量流量的作用,结果表明,在加油过程中增加流量可使温升最低。除了考虑几何形状和质量流量外,PCM 的集成也是一个重点。研究采用了建模和参数分析方法来评估集成这些材料的可行性。这项研究为优化氢燃料系统的热性能和安全性提供了宝贵的见解。整体方法考虑了几何形状、质量流量动态和 PCMs 创新使用之间的相互作用,提供了对加压氢气汽车气瓶影响因素的多方面理解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Numerical Simulation and Thermal Analysis of Pressurized Hydrogen Vehicle Cylinders: Impact of Geometry and Phase Change Materials
This comprehensive study investigates the nuanced aspects of pressurized hydrogen vehicle cylinders during refueling, employing numerical simulation and thermal analysis. The examination encompasses the intricate dynamics influenced by cylinder geometry, mass flow rate variations, and the integration of phase change materials (PCMs). Simulations involving cylinders with diverse length-to-diameter ratios and inlet diameters highlight the impact of these parameters on temperature control. Notably, smaller length-to-diameter ratios prove effective for temperature regulation, while larger inlet diameters mitigate temperature rise. The study further explores the role of varying mass flow rates, revealing that an increasing flow rate during refueling results in the lowest temperature rise. In addition to geometry and mass flow rate considerations, the integration of PCMs is a focal point. Modeling and parametric analysis are employed to assess the feasibility of incorporating these materials. The study contributes valuable insights into optimizing the thermal performance and safety of hydrogen fuel systems. The holistic approach considers the interplay of geometry, mass flow rate dynamics, and the innovative use of PCMs, offering a multifaceted understanding of the factors influencing pressurized hydrogen vehicle cylinders.
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来源期刊
Journal of Advanced Research in Fluid Mechanics and Thermal Sciences
Journal of Advanced Research in Fluid Mechanics and Thermal Sciences Chemical Engineering-Fluid Flow and Transfer Processes
CiteScore
2.40
自引率
0.00%
发文量
176
期刊介绍: This journal welcomes high-quality original contributions on experimental, computational, and physical aspects of fluid mechanics and thermal sciences relevant to engineering or the environment, multiphase and microscale flows, microscale electronic and mechanical systems; medical and biological systems; and thermal and flow control in both the internal and external environment.
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