1、Personal profile

Yun Long, male, doctor of engineering, associate researcher, master supervisor. Graduated from Shanghai Jiaotong University in September 2018, majored in nuclear science and technology, and won the excellent doctoral thesis nomination and outstanding graduate of Shanghai Jiaotong University. He was awarded the " Jiangsu Province entrepreneurship and innovation doctor " in 2019, and was awarded the China-German post-doctoral exchange project in 2020. He won the winning prize of the first National Postdoctoral Innovation and Entrepreneurship Competition in 2021. He won the new Long March commando of Jiangsu University in 2022, the young mentor of scientific and technological innovation of Jiangsu University, was selected into the "Young Talent Cultivation Plan of Jiangsu University, and was selected into the vice president project of enterprise science and technology of Jiangsu Province.

He presided over and participated in more than 10 scientific research projects at the provincial and ministerial levels, and presided over 7 enterprise entrustment projects under research. Among them, he presided over 1 Young Scientists Fund of the National Natural Science Foundation of China, 1 project of the China Postdoctoral Science Foundation, 1 fund of the State Key Laboratory, 1 "Doctor of Innovation and Entrepreneurship" project in Jiangsu Province, and 1 post-doctoral fund project in Zhejiang Province; Participated in 1 joint fund project of the National Natural Science Foundation under research, 1 pre-research and approval project of national major projects,  and 1 fund of the National Natural Science Foundation. He has published 1 monograph, more than 40 academic papers and more than 20 patents.

2、Work experience

2023.03—Now   China Nuclear Power Engineering Co., Ltd.-Jiangsu University, Post-doctoral, Co-Advisor：Xing Ji, Yuan Shouqi

2021.07—Now  Jiangsu University, National Research Center of Pumps, Associate researcher/Master supervisor

2020.11—2022.11  Germany, Karlsruhe Institute of Technology, China-German post-doctoral

2019.05—2020.05  Ministry of Science and Technology of the PRC, China Rural Technology Development Center, Temporarily specialist

2018.12—2022.12  Jiangsu University, Post-doctoral

2018.11—2021.6  Jiangsu University, National Research Center of Pumps, Assistant researcher

3、Main research interests

[1] Research on complex flow and structural reliability of fluid machinery;

[2] Multi-physical field coupling mechanism of fluid machinery and collaborative design of the whole machine;

[3] Cavitation and multiphase flow;

[4] Mass and heat transfer mechanism and optimization of new energy power equipment.

4、Research project

[1] Joint Funds of the National Natural Science Foundation of China, 2021.1--2024.12, main participants;

[2] National Natural Science Foundation Youth Fund, 2020.1--2022.12, Project leader;

[3] China Postdoctoral Science Foundation, 2019.6--2021.11, Project leader;

[4] Jiangsu Province entrepreneurship and innovation doctor project, 2019.9--2022.8, Project leader;

[5] State Key Laboratory Fund,  2022 .1 -2023 .12, Project leader;

[6] Zhejiang Postdoctoral Fund, 2019.06—2021.6, Project leader;

[7] Major science and technology projects for large advanced pressurized water reactor and high temperature gas-cooled reactor nuclear power plants, 2018-2019, participate in pre-research and project approval;

[8] National Natural Science Foundation of China, 2016-2019, participation.

5、Scientific research achievements

5.1 Representative papers

[1] Yun Long*, Mingyu Zhang, Zhen Zhou, Jinqing Zhong, Ce An, Yong Chen, Churui Wan, Rongsheng Zhu. Research on cavitation wake vortex structures near the impeller tip of a water-jet pump. Energies 2023, 16, 1576. （SCI）

[2] Mahfuja A Khuda, Javad Khalesi, Zecan Tu, Yun Long, Daniela Piccioni Koch, Nenad Sarunac. Numerical analysis of a developing turbulent flow and conjugate heat transfer for molten salt and liquid sodium in a solar receiver. Applied Thermal Engineering 217 (2022) 119156. （SCI）

[3] Rongsheng Zhu, Zhuang Qiang, Zhenwei Wang, Qiang Fu and Yun Long. Influence of cutter head on cavitation of non-jammed submerged grinder pump. Appl. Sci. 2022, 12, 6112. （SCI）

[4] Yonggang Lu, Zhengwei Wang, Rongsheng Zhu, Xiuli Wang, Yun Long*. Study on flow characteristics in LBE-cooled main coolant pump under positive rotating condition. Nuclear Engineering and Technology, 54, 2022, 2720-2727. （SCI）

[5] Yun Long, Jinqing Zhong, Jianping CHEN, Yan Zhang, Rongsheng Zhu. Numerical simulation of flow characteristics of water-jet assembly under reverse state, International Workshop on Water-Jet Propulsion (IWWP2022) 30th June-1st July Online. （International conference）

[6] Yuchen Song (宋煜晨) , Rui Xu (许锐), Yu Song (宋煜), Yun Long (龙云), Junlian Yin (尹俊连),and Dezhong Wang (王德忠) . Hydrodynamics characteristics of non-uniform inflow in reactor coolant pump based on time-resolved tomographic particle image velocimetry, Physics of Fluids (Vol.34, Issue 12), 2022 （SCI）

[7] Zecan Tu, Daniela Piccioni Koch, Yun Long, Nenad Sarunac, Martin Frank, Junkui Mao. Thermal performances of panel models in solar power tower receivers. ATE-HEFAT, 2021, Conference. （International conference）

[8] Yun Long*, Ce An, Rongsheng Zhu, and Jianping Chen. Research on hydrodynamics of high velocity regions in a water-jet pump based on experimental and numerical calculations at different cavitation conditions, Physics of Fluids 33, 045124 (2021) （SCI）

[9] Long, Yun*, Yan Zhang, Jianping Chen, Rongsheng Zhu, and Dezhong Wang. A Cavitation Performance Prediction Method for Pumps PART2-Sensitivity and Accuracy. Nuclear Engineering and Technology, 2021. （SCI）

[10] Qiu, Ning, Han Zhu, Yun Long*, Jinqing Zhong, Rongsheng Zhu, and Suhuan Wu. Assessment of cavitation erosion in a water-jet pump based on the erosive power method. Scanning, 2021. （SCI）

[11] Long Yun*, Zhu Rongsheng, Wang Dezhong. A Cavitation Performance Prediction Method for Pumps PART1-Proposal and Feasibility[J]. Nuclear Engineering and Technology, 2020. （SCI）

[12] Long, Yun*, Bin Lin, Jie Fang, Jie Ge, Longbo Xu, Qiang Fu, and Rongsheng Zhu. Research on the pump shaft stability analysis of multistage centrifugal pump during closed-valve start-up process. Frontiers in Energy Research, 8(2020). （SCI）

[13] Yun, Long*, Lin Bin, Fang Jie, Zhu Rongsheng, and Fu Qiang. Research on the transient hydraulic characteristics of multistage centrifugal pump during start-up process. Frontiers in Energy Research 8 (2020): 76. （SCI）

[14] Li, Yajie, and Yun Long*. Numerical study on wave radiation by a barge with large amplitudes and frequencies. Journal of Marine Science and Engineering 8.12 (2020): 1034. （SCI）

[15] Xiuli, Wang, Lin Bin, Li Yang, Zhang Yan, Zhu Rongsheng, Long Yun*, and Fu Qiang. Hydraulic optimization of two-way counter-rotating axial flow pump turbine. Frontiers in Energy Research (2020): NA-NA. （SCI）

[16] Xu Rui, Long Yun, Hu Yaoyu, Yin Junlian, Wang Dezhong. Numerical and experimental research on the fluid-induced forces of clearance flow in canned motor reactor coolant pump. ASME. Journal of Engineering for Gas Turbines and Power. 2019;141(6):061021-061021-7. （SCI）

[17] Rui Xu, Yun Long*, Dezhong Wang*. Effects of rotating speed on the unsteady pressure pulsation of reactor coolant pumps with steam-generator simulator[J]. Nuclear Engineering and Design, 2018, 333: 25-44. （SCI）

[18] Yun, Long, Dezhong, W., Junlian, Y., Yaoyu, H., & Hongjuan, R. Numerical investigation on the unsteady characteristics of reactor coolant pumps with non-uniform inflow[J]. Nuclear Engineering and Design, 2017, 320: 65-76. （SCI）

[19] Long, Yun, Wang, D., Yin, J., & Hu, Y. Experimental investigation on the unsteady pressure pulsation of reactor coolant pumps with non-uniform inflow[J]. Annals of Nuclear Energy, 2017, 110: 501-510. (SCI)

[20] Yun, Long, Rongsheng, Z., Dezhong, W., Junlian, Y., & Tianbin, L. Numerical and experimental investigation on the diffuser optimization of a reactor coolant pump with orthogonal test approach[J]. Journal of Mechanical Science and Technology, 2016, 30(11):4941-4948.（SCI）

[21] Yun, Long, Dezhong, W., Junlian, Y., Youlin, C., & Chao, F. The effect of different inflows on the unsteady hydrodynamic characteristics of a mixed flow pump[J]. International Journal of Fluid Machinery and Systems, 2017, 10(2): 138-145.（EI）

[22] Yun, Long, Junlian, Y., Dezhong, W., & Yaoyu, H. The effect of the channel head on the unsteady pressure pulsation characteristics at the inlet and outlet of reactor coolant pumps[C]. IOP Conference Series: Earth and Environmental Science, 2016, 49(3): 032011.

[23] Yun, Long, Junlian, Y., Dezhong, W., & Tianbin, L. Study on the effect of the impeller and diffuser blade number on reactor coolant pump performances[C]. IOP Conference Series: Materials Science and Engineering, 2016, 129(1): 012041.

[24] Long Yun *. Influence of multi-parameter optimization design on hydraulic performance of water-jet propulsion assembly[J]．Journal of drainage and irrigation machinery engineering (JDIME) 2021, 39(7): 655-662. (Chinese core)

[25] Long Yun *, YUAN Shouqi, ZHU Rongsheng, Fu Qiang, Li Tianbin. Review on research status of internal flow and technological development of reactor coolant pump[J]. Journal of drainage and irrigation machinery engineering (JDIME) 2020, 38(11): 1081-1097. (Chinese core)

[26] Long Yun*, FENG Chao, WANG Luyi, WANG Dezhong2,*, CAI Youlin, ZHU Rongsheng. Experiment on cavitation flow in critical cavitation condition of water-jet propulsion pump[J]. Journal of Beijing University of Aeronautics and Astronautics, 2019(8).（EI）

5.2 Patent

[1] Long Yun, Zhong Jinqing, Zhu Rongsheng, Fu Qiang. A double-layer inlet structure for anti-stall of pump. 202110683571.X;

[2] Long Yun, An Ce, Zhu Rongsheng, Fu Qiang, Wang Xiuli. A cavitation suppression hydrofoil device. 202010610736.6;

[3] Long Yun, Qiang Zhuang, Zhu Rongsheng. The utility model relates to a nonuniform flow suppression structure for the connecting pipe of a reactor coolant pump.112747015A;

[4] Long Yun, Qiang Zhuang, Zhu Rongsheng. A pump inlet non-uniform inflow suppression device. 112555559A;

[5] Long Yun, Qiang Zhuang, Zhu Rongsheng. A non-uniform inflow suppression device with wing plate for pump. 112145409A;

[6] Long Yun, Chen Yiming, Zhu Rongsheng, Li Huairui, Wang Xiuli. An positive control device for non-uniform inflow of suction pipe for pump.112360813A;

[7] Long Yun, Chen Yiming, Zhu Rongsheng, An Ce, Wang Xiuli, Fu Qiang. An axial-flow pump with double-suction pipe for positive control of non-uniform incoming flow. 201910890246.3;

[8] Long Yun，Chen Yiming, Zhu Rongsheng, An Ce, Fu Qiang, Wang Xiuli. A multi-stage high-temperature pump with contra-rotating structure. 201910900514.5;

5.3 Book

[1] Yuan Shouqi, Zhu Rongsheng, Long Yun, Fu Qiang, Wang Xiuli. Basic Theory and Technology of Internal Flow in Reactor Coolant Pump, 2021.5，ISBN:978-7-5684-1471-5, 690000 words, Jiangsu University Press.

6、Contact information

E-mail：longyun@ujs.edu.cn

Office location：National Research Center of Pumps, Room 207

Telephone: 13016818186