圆柱
计算流体力学
气缸盖
机械工程
喷气发动机
领域(数学)
过程(计算)
计算机科学
燃烧
瞬态(计算机编程)
工程类
航空航天工程
内燃机
化学
数学
有机化学
纯数学
操作系统
作者
Fengnian Zhao,David L.S. Hung
标识
DOI:10.1016/j.applthermaleng.2022.119633
摘要
To adequately elucidate the complex in-cylinder flow structures and its underlying effects on the thermal processes inside an internal combustion engine (ICE) has long been a daunting task since the flow behavior is primarily non-linear and transient. In recent years, the research related to engine in-cylinder phenomena is rapidly advancing, driven by the unprecedented volumes of engine data as well as the applications of data-driven machine learning (ML). Therefore, this paper contributes a timely review to this field by highlighting conventional methods of in-cylinder engine studies, summarizing existing ML applications with their strengths and limitations, and identifying future directions. First, traditional analysis approaches including laser diagnostics measurement and computational fluid dynamics (CFD) modeling are discussed briefly with their limitations, followed by an overview of promising ML methods to address engine in-cylinder research challenges. Then, this paper provides a detailed introduction of development and limitations of ML-based engine studies, which cover the areas of in-cylinder air flow, mixing and combustion. Finally, this review article highlights recent advances of deep learning and physics-informed ML applications in engine in-cylinder studies, and provides recommendations for future directions in this field.
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