姓 名
余志毅


职 称
副教授/博导


学院及专业
机械与车辆学院 流体机械及工程

办公地址
北京理工大学机械与车辆学院车辆实验楼406

邮 编
100081

办公电话
**

邮 件
yuzhiyi@bit.edu.cn


研究方向

多相流动传热理论及数值计算方法；
热推进理论及设计方法；
流体机械内部流动与优化设计方法；
特种设备隔热冷却技术及优化。

代表性论文及研究项目

代表论文
1. Z.Y. Yu, C.L.Wu, A.S.Berrouk, K.Nandakumar. Discrete particle modeling of granular Rayleigh-Taylor instability.International Journal of Multiphase Flow, 2015, 77: 260-270.
2. Zhiyi Yu, Baoshan Zhu, Shuliang Cao. Interphase force analysis for air-water bubbly flow in a multiphase rotodynamic pump.Engineering Computations, 2015, 32(7): 2166-2180.
3. Zhiyi Yu, Baoshan Zhu, Shuliang Cao, Ying Liu. Effect of virtual mass force on the mixed transport process in a multiphase rotodynamic pump. Advances in mechanical engineering, vol. 2014, Article ID: 958352.
4. Zhiyi Yu, Guoyu Wang, Shuliang Cao. Extended two-fluid model applied to analysis ofbubbly flow in multiphase rotodynamic pump impeller. Frontiers of Mechanical Engineeringin China, 2009, 4(1): 53-59.
5.Wenwu Zhang,Zhiyi Yu, Yongjiang Li. Application of a Non-uniform Bubble Model in a Multiphase Rotodynamic Pump. Journal of Petroleum Science and Engineering, 2019, 173:1316-1322.
6. Reddy R K，Rao A，Yu Z，Wu C，Nandakumar K，Thibodeaux L，Valsaraj K T，"Challenges in and approaches tomodeling the complexities of deep water oil and gas release", Book chapter in “Oil Spill Remediation:Colloid Chemistry-Based Principles and Solutions”，John Wiley and Sons, Inc, 2014.
7.Wenwu Zhang, Zhiyi Yu, Yongjiang Li.Analysis of flow and phase interaction characteristics in a gas-liquid two-phase pump. Oil & Gas Science and Technology - Rev. IFP Energies nouvelles, 2018, 73, 69.
8. Wenwu Zhang, Zhiyi Yu, Yongjiang Li, Jianxin Yang, Qing Ye. Numerical Analysis of Pressure Fluctuation in a Rotodynamic Pump with Air-Water Two-Phase Flow. Oil & Gas Science and Technology - Rev. IFP Energies nouvelles, 2019, 74, 18.
9.Wenwu Zhang, Zhiyi Yu, Muhammad Noaman Zahid, Yongjiang Li. Study of the Gas Distribution in a Multiphase Rotodynamic Pump based on Interphase Force Analysis. Energies, 2018, 11, 1069.
10. Wenwu Zhang, Zhiyi Yu, Baoshan Zhu. Numerical Study of Pressure Fluctuation in a Gas-Liquid Two-Phase Mixed-Flow Pump. Energies 2017, 10, 634.
11. Wenwu Zhang, Zhiyi Yu, Baoshan Zhu.Influence of Tip Clearance on Pressure Fluctuation in Low Specific Speed Mixed-Flow Pump Passage. Energies 2017, 10, 148.
12. 张文武，余志毅，祝宝山，杨策. 叶顶间隙对低比转速混流泵性能及内部流场影响的数值研究. 机械工程学报, 2017, 53(22): 182-189.
13. 余志毅，曹树良，彭国义. 运用正反问题迭代法进行叶片式气液混输泵的水力设计.机械工程学报，2006，42（4）：135-141，146.
14. 余志毅、刘影，叶片式混输泵气液两相非定常流动特性分析，农业机械学报，2013,44（5）：66-69,95.
15. 余志毅，王国玉，顾玲燕，张敏弟. 圆盘空化器超空化绕流流场结构及动力特性的数值分析. 兵工学报，2008, 29(12): 1444-1449.
16. 余志毅,张淑丽,时素果,等. 滤波器湍流模型在空化流动计算中的应用. 北京理工大学学报, 2009, 29(7): 584-586.
17. Yongjiang Li, Zhiyi Yu, Wenwu Zhang. Distribution characteristics of bubbles in a multiphase pump. 29th IAHR Symposium on Hydraulic Machinery and Systems, Sep. 16-21, 2018, Kyoto, Japan.
18. Wenwu Zhang, Zhiyi Yu, Yongjiang Li. Interphase forces analysis in the whole flow passage of a multiphase rotodynamic pump. 29th IAHR Symposium on Hydraulic Machinery and Systems, Sep. 16-21, 2018, Kyoto, Japan.
19. Tan, L; Yu, ZY; Xu, Y; Liu, YB; Cao, SL. Role of blade rotational angle on energy performance and pressure fluctuation of a mixed-flow pump. Proceedings of the Institution of Mechanical Engineers Part A – Journal of Power and Energy, 2017, 231(3): 227-238.
20. Song, Y; Yu, ZY; Shi, GT; Liu, XB. Influence of impeller staggered arrangement on radial force and pressure fluctuation for a double-suction centrifugal pump. Advances in Mechanical Engineering, 2018, 10(6): 1-13.
21. Zhiyi Yu, Qinzhao ZHANG, Ruo Huang, Shuliang Cao. Numerical analysis of gas-liquid mixed transport process in a multiphase rotodynamic pump. 26th IAHR Symposium on Hydraulic Machinery and Systems, Beijing, Aug 19-23, 2012.
研究项目
1. 国家自然科学基金项目(**)
“叶片泵内气液两相流型基础问题研究” （主持）
2. 国家自然科学基金项目(**)
“高含气条件下叶片式气液混输泵内非定常流动的数值模拟方法与机理研究” （主持）
3. 清华大学水沙科学与水利水电工程国家重点实验室开放基金项目(sklhse-2013-E-01)
“叶片泵内气液两相流型及其数值模拟方法研究” （主持）
4. 高等学校博士学科点专项科研基金项目()
“串列叶栅复杂空化流动特性的数值模拟研究” （主持）
5. 中船重工技术攻关项目：PLB隔热冷却技术研究.（主持）
6. 清华大学技术合作项目：低比转速混流泵流道压力脉动特性研究.（主持）
7. 清华大学技术合作项目：混流泵叶轮设计及加工.（主持）
8. 预研项目：降低喷油器内部流动阻力设计方法及试验验证. （参与）
9. 国防973项目：超空泡流动的数值模拟方法研究 （参与）

成果及荣誉

2018年热能动力技术重点实验室学术年会优秀论文奖
2009年中船重工集团科技进步二等奖（排名第四）
2005工程热物理学会首届青年优秀论文奖

社会职务

国际期刊Renewable Energy,Energy，Oil & Gas Science and Technology, Engineering Computations等审稿人