夏溪 副教授
所在系所新能源动力研究所
办公电话
通讯地址上海交通大学机械与动力工程学院A楼618
电子邮件xiaxiss@sjtu.edu.cn
个人主页http://combustion.sjtu.edu.cn/people


教育背景 2011-2016 佛罗里达大学机械与航空工程系 博士
2008-2010 科罗拉多大学博尔德分校机械工程系 硕士
2004-2008 中国科学技术大学近代力学系 学士

工作经历 2019-至今 上海交通大学 副教授，博导
2016-2018 香港理工大学机械工程系 博士后

研究方向 涡被称作流动的“肌腱”，其本质是流体中力的作用和动量的输运，是很多非定常和不稳定流动现象的根源，是湍流的重要元素。发动机燃烧室的不稳定性机理较为复杂，涉及喷雾、化学反应、热流乃至声波之间的相互作用。利用涡动力学的分析方法结合实验和数值模拟的手段有助于从本质上理解喷雾燃烧中的不稳定性现象，排除次要因素，精确锁定导致不稳定性的主导机制；进而发展主动流动控制技术抑制不稳定性产生的源头，从而实现对稳定燃烧的强化。主要研究方向如下：
应用
1. 喷雾燃烧
2. 燃烧不稳定性
3. 合成射流与流动控制
理论
1. 涡动力学
2. 非定常空气动力学

科研项目 2021-2024 国家自然科学基金面上项目 **“横向气流中双元液滴碰撞的气动机理研究”，负责人
2021-2023 国家自然科学基金青年项目 **“基于高时空分辨激光测量的旋流火焰涡破裂机理研究”，负责人
2020-2023 上海市科学技术委员会扬帆计划项目 20YF**“基于合成射流的气爆雾化实验表征与机理研究”，负责人
2017-2019 香港理工 G-YBXN, "Hypergolic Ignition Induced by Propellant Droplet Collision", 主要参与人
2017-2018 香港GRF PolyU 152651/16E, "Experimental and Numerical Investigation on the Collision of Binary Droplets of Shear-Thinning Fluids in Atmospheric Air", 主要参与人
2015-2018 香港理工 G-YBGA, "Experimental Study and Large Eddy Simulation of Slotted Swirler Combustion", 主要参与人
2015-2017 香港GRF PolyU 152217/14E, "Dynamics of Binary Droplet Collision under Elevated Gas Pressures", 主要参与人

代表性论文专著 SCI期刊论文
[17] Xi Xia, Chen Fu, Yifan Yang, Xiaoyuan Yang, Yi Gao*, and Fei Qi*, Vortex formation and frequency tuning of periodically-excited jet diffusion flames, Proceedings of the Combustion Institute 38, doi: 10.1016/j.proci.2020.08.015 (2020). PDF
[16] Haodong Zhang, Xi Xia*, and Yi Gao*, Instability transition of a jet diffusion flame in quiescent environment, Proceedings of the Combustion Institute 38, doi: 10.1016/j.proci.2020.07.086 (2020). PDF
[15] Guoqing Wang, Xunchen Liu, Xi Xia*, Shaojie Wang, and Fei Qi*, Dynamics of periodically-excited vortices in swirling flames, Proceedings of the Combustion Institute 38, doi: 10.1016/j.proci.2020.06.308 (2020). PDF
[14] Chengming He, Xi Xia, and Peng Zhang, Vortex-dynamical implications of nonmonotonic viscous dissipation of off-center droplet bouncing, Physics of Fluids 32, 032004 (2020). (Featured article) PDF
[13] Xi Xia, Chengming He, and Peng Zhang, Universality in the viscous-to-inertial coalescence of liquid droplets, PNAS 116, 23467-23472 (2019). PDF
[12] Tao Yang, Xi Xia, and Peng Zhang, Vortex-dynamical interpretation of anti-phase and in-phase flickering of dual buoyant diffusion flames, Physical Review Fluids 4, 053202 (2019). PDF
[11] Chengming He, Xi Xia, and Peng Zhang, Non-monotonic viscous dissipation of bouncing droplets undergoing off-center collision, Physics of Fluids 31, 052004 (2019). PDF
[10] Xuren Zhu, Xi Xia, and Peng Zhang, Stability of Buoyant Inverse Diffusion Methane Flames with Confinement Effects, Combustion Science and Technology 191, (2019). PDF
[9] Xi Xia and Peng Zhang, A vortex-dynamical scaling theory for flickering buoyant diffusion flames, Journal of Fluid Mechanics 855, 1156-1169 (2018). PDF
[8] Xi Xia and Kamran Mohseni, Transitional region of a round synthetic jet, Physical Review Fluids 3, 011901(R) (2018). PDF
[7] Xuren Zhu#, Xi Xia#, and Peng Zhang, Near-field flow stability of buoyant methane/air inverse diffusion flames, Combustion and Flame 191, 66-75 (2018). PDF
[6] Xi Xia, Chengming He, Dehai Yu, Jiaquan Zhao, and Peng Zhang, Vortex-ring-induced internal mixing upon the coalescence of initially stationary droplets, Physical Review Fluids 2, 113607 (2017). PDF
[5] Xi Xia and Kamran Mohseni, Unsteady aerodynamics and vortex-sheet formation of a two-dimensional airfoil, Journal of Fluid Mechanics 830, 439-478 (2017). PDF
[4] Xi Xia and Kamran Mohseni, Flow characterization and modeling of strong round synthetic jets in crossflow, AIAA Journal 55, 389-402 (2017). PDF
[3] Xi Xia and Kamran Mohseni, Parameter governing the far-field features of round jets, Physical Review Fluids 1, 062401(R) (2016). PDF
[2] Xi Xia and Kamran Mohseni, Far-field momentum flux of high-frequency axisymmetric synthetic jets, Physics of Fluids 27, 115101 (2015). PDF
[1] Xi Xia and Kamran Mohseni, Lift evaluation of a two-dimensional pitching flat plate, Physics of Fluids 25, 091901 (2013). PDF
会议论文
[12] Xuren Zhu, Xi Xia, and Peng Zhang, Flow and Flame Dynamics of Confined Buoyant Inverse Diffusion Flames, 11th Asia-Pacific Conference on Combustion, Sydney, Australia, December 10-14, 2017.
[11]Xi Xia and Kamran Mohseni, Unsteady Aerodynamics and Trailing-edge Vortex Sheet of an Airfoil, 54th Aerospace Sciences Meeting, San Diego, California, January 4–8, 2016. doi:10.2514/6.2016-1078
[10] Xi Xia and Kamran Mohseni, Enhancing Lift on a Flat Plate Using Vortex Pairs Generated by Synthetic Jet, 53rd Aerospace Sciences Meeting, Kissimmee, Florida, January 5–9, 2015. doi:10.2514/6.2015-1932
[9] Xi Xia and Kamran Mohseni, Axisymmetric Synthetic Jets: Modeling of the Far-field Momentum Flux, 53rd Aerospace Sciences Meeting, Kissimmee, Florida, January 5–9, 2015. doi:10.2514/6.2015-0807
[8] Yiming Xu, Xi Xia, and Kamran Mohseni, Modeling and Simulation of a Fish-like Swimmer in an Ideal Flow with Lateral-line Flow Sensors, AIAA SciTech 2015, Kissimmee, Florida, January 5–9, 2015. doi:10.2514/6.2015-1082
[7] Xi Xia and Kamran Mohseni, A Flat Plate with Unsteady Motion: Effect of Angle of Attack on Vortex Shedding, 52nd Aerospace Sciences Meeting, National Harbor, Maryland, January 13–17, 2014. doi:10.2514/6.2014-0746
[6] Xi Xia and K. Mohseni, Modeling of 2D Unsteady Motion of a Flat Plate using Potential Flow, 31st AIAA Applied Aerodynamics Conference, San Diego, California, June 24–27, 2013. doi:10.2514/6.2013-2819
[5] Xi Xia and Kamran Mohseni, Lift on a Moving Flat Plate, 51st AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, Grapevine, Texas, January 07–10, 2013. doi:10.2514/6.2013-838
[4] Xi Xia and Kamran Mohseni, Trapped Vortex on a Flat Plate: Equilibrium and Stability, 42nd AIAA Fluid Dynamics Conference and Exhibit, New Orleans, Louisiana, June 25–28, 2012. doi:10.2514/6.2012-3156
[3] Xi Xia and Kamran Mohseni, Axisymmetric Synthetic Jets: A Momentum-based Modeling Approach, 50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, Nashville, Tennessee, January 09–12, 2012. doi:10.2514/6.2012-1246
[2] Xi Xia, Kamran Mohseni, and G. Krishnan, An Experimental Investigation of Synthetic Jet in a Coflow Wake, 40th Fluid Dynamics Conference and Exhibit, Chicago, Illinois, June 28–July 01, 2010. doi:10.2514/6.2010-4594
[1] Xi Xia and Kamran Mohseni, Modeling and Experimental Investigation of Synthetic Jets in Cross-flow, 48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition, Orlando, Florida, January 04–07, 2010. doi:10.2514/6.2010-106

荣誉奖励 2020 上海市青年科技英才“扬帆计划”
2016 佛罗里达大学Student Research Award
2012 佛罗里达大学Outstanding Academic Achievement