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讲准字405号:未来能源系统中两相流动及燃烧数值模拟的预测

发布时间:2019-11-27|浏览次数:

讲座报告主题:未来能源系统中两相流动及燃烧数值模拟的预测 
专家姓名:Michele Battistoni  
日期:2019-12-06时间:10:00
地点:能源研究院1517报告厅  
主办单位:能源研究院

主讲简介:Michele Battistoni is an Associate Professor in the Department of Engineering at the University of Perugia in Italy. He was appointed Visiting Professor at KAUST (Saudi Arabia) in 2019. He was also appointed Visiting Researcher and Mechanical Engineer at Argonne National Laboratory in Chicago from 2012 to 2014, then, in the summers of 2016 and 2018. His research and teaching interests lie in the areas of energy-thermal-fluid sciences, thermo-fluid dynamics, multiphase flow, CFD modeling, and energy conversion systems, with main applications to engines, advanced fuels and injection systems, bio-derived and alternative fuel sprays and combustion. He serves as SAE session organizer for the Fuel Injection and Sprays sessions, and he is actively involved in the Engine Combustion Network activities where he is leader of the primary atomization topic. He has been invited to give presentations at several Universities and Research Institutes, like Argonne (Chicago), Sandia (Livermore, CA), IFP-EN (Paris), among others. In his early career he also worked at Fiat Powertrain in Turin as a design engineer. Michele Battistoni received his MS and his PhD in Mechanical Engineering from the University of Perugia. He published 30+ journal papers and 40+ peer-reviewed conference papers. His recent interests include high fidelity simulations of two-phase flows for fuel injection systems with heat and mass transfer, advanced ignition systems modeling, spray and combustion modeling in advanced internal combustion engines. 研究专长:动力装置内能量-热-流体动力学。 

主讲内容:精确而稳健的两相流动、喷雾和燃烧模型以及良好的网格收敛性可以促进内燃机和其他先进的动力系统内燃油与空气混合与燃烧过程的数值模拟结果预测。本次报告主要包括两部分内容,首先概述一种考虑了亚临界和超临界制度与实际流体热力学的新喷雾欧拉模型,并比较了多孔喷嘴和喷雾仿真与精确的实验数据,如x射线照相和界面面积数据。报告第二部分将介绍火花点火发动机燃烧仿真极速10分彩网址,旨在将标准点火系统和先进点火系统的影响与发动机在稀薄条件下的稳定性行为联系起来,仿真结果将补充光学发动机成像数据。并且,报告将讲述PK10技巧关于新型等离子辅助点火系统的详细内容。报告最后将讨论PK10技巧关于进一步进展时时彩两相流和燃烧模型的挑战。基于高分辨率的两相流动、喷雾和燃烧数值模拟极速10分彩网址旨在消除传统的限制,提高空间和时间细节的表征水平,并为揭示现象的物理本质提供更多见解。


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