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Hongjuan Ran

Associate Professor
Mechanical Engineering

360Q EB
Provo, UT 84602

Biography

Dr. Ran Hongjuan earned her Bachelor's in Engineering from Huazhong University of Science and Technology and her Ph.D. in Thermal Engineering from Tsinghua University. She has worked at the Swiss Federal Insitute of Technology in Lausanne (EPFL), the Department of Engineering, the University of Cambridge in the United Kingdom, School of Mechanical Engineering, at Shangai Jiao Tong University. Her research has evolved from studying unsteady flow phenomena and cavitation in storage power stations to addressing leakage and crack issues in critical equipment within the nuclear power sector.
Currently recruiting 1-2 doctoral students and outstanding undergraduates in materials and fluids or physics.

Office Hours

Winter 2025
Tuesday: 1pm-2pm
Wednesday: 3pm-4pm
Thursday: 1pm-2pm

Publications

1. Hongjuan Ran, Liu Yong, Dezhong Wang, Xianwu Luo, Two positive slopes comparison in some pump turbine, Renewable energy, 2020-07. Sci. (impact factor: 8.0; this paper is reported as an important new finding in the renewable energy weekly news). Experimental comparison of two different positive slopes in one single pump turbine - ScienceDirect

2. Ran Hongjuan, Luo Xianwu, Experimental study of Instability characteristic in pump turbines, Journal of hydraulic research,2018, 56(6):1-6, Sci. Full article: Experimental study of instability characteristics in pump turbines

3. Lu Yuheng, Ran Hongjuan, Wang Dezhong, The model comparison of simulating leakage cavitations in the wings, Transactions of The Chinese Society of Agricultural Machinery. 2020-03, EI. (Chinese Journal)

4. Xinru Qian, Hongjuan Ran, Yong Liu, Research of the blade crack on a double centrifugal pump, Large Electric Machine and Hydraulic Turbine,2020.

5. Yong Liu, Hongjuan Ran, Dezhong Wang, Research on Groove Method to Suppress Stall in Pump Turbine Research on Groove Method to Suppress Stall in Pump Turbine, Energies 13(15):3822, July 2020, Sci.

6. Shi Tianjiao, Ran Hongjuan, Wang dezhong, Analyses of Rotating stall in a wing. Large Electric Machine and Hydraulic Turbine;2018-12. EI. (Chinese Journal)

7. Yong Liu, Dezhong Wang, Hongjuan Ran, RANS CFD Analysis of Hump Formation Mechanism in Double-Suction Centrifugal Pump under Part Load Condition, Energies 14(20):6815, 2021/10, Sci.

8. Yong Liu, Daojun Cheng..&Hongjuan Ran, Anti-seismic calculation and analysis of long-axis multi-stage molten salt pump simulated state for a photothermal TV station, Vibration, and Pulsation, 2021.40(02).

9. Luo Xianwu, Weixiang Ye .& Hongjuan Ran, Flow Mechanism and Control Method of Instability Phenomenon of Pumped Storage Unit, Hydro and pumped Hydro, 2020.6(04).

10. Yong Liu, Daojun Cheng…&Hongjuan Ran, Seismic calculation and analysis of long axis multistage molten salt pump in solar thermal power station, Vibration and shock, 2020, Ei。

11. Yun Long, Dezhong Wang … & Hongjuan, Ran. Numerical investigation on the unsteady characteristics of reactor coolant pumps with non-uniform inflow[J]. Nuclear Engineering and Design, 2017, 320: 65-76, Sci. Numerical investigation on the unsteady characteristics of reactor coolant pumps with non-uniform inflow - ScienceDirect

12. Hong-Juan Ran, Xian-Wu Luo, Lei Zhu, Yao Zhang, Hongyuan Xu. Experimental Study on the Pressure Fluctuation of a Pump Turbine Operated at Large Part Flow Conditions. Chinese journal of mechanical engineering. Vol.25, no.6, 2012, Sci. CJME.2012.06.1205.pdf

13. Hong-Juan Ran, Yao Zhang, Xianwu luo, Hongyuan Xu, Numerical simulation of

slope part in pump turbine pump mode. Journal Hydraulic Engineering, 2011, 30(03): 175~179. EI

14. Ran Hongjuan, Xu Hongyuan, Luo Xianwu, Liu Shuhong, The Numeric Simulation and Performance Analysis of the Pump Turbine[J]; Large Electric Machine and Hydraulic Turbine;2008‐04.

15. Xu Yongliang, RAN Hongjuan, Chen Yuanlin, Luo Xianwu, Some Realizations about the Influence of Geometry Parameters on the Hydraulic Characteristics of Pump‐turbine [J]; Large Electric Machine and Hydraulic Turbine;2011-03.

16. Bin, Ji; Xian-Wu, Luo; Yao, Zhang; Hong-Juan, Ran; Hong-Yuan, Xu; Yu-Lin, Wu, A Three-Component Model Suitable for Natural and Ventilated Cavitation, Chinese Physics Letters, Volume 27, Number 9, September 2010, pp. 96401-96404(4). SCI. A Three-Component Model Suitable for Natural and Ventilated Cavitation - IOPscience

17. Hongjuan Ran, Xinru Qian, Tianjiao Shi, Dezhong Wang, Numerical Analysis of reactor coolant pump performance under reverse operation, IOP Conference Series: Earth and Environmental Science 774(1),012006. 2021. Numerical Analysis of reactor coolant pump performance under reverse conditions - IOPscience

18. Liu Yong, Hongjuan Ran& Xinru Qian, Research on unsteady characteristics of pump-turbine in pumping mode, 2nd IHAR-Asia symposium on hydraulic machinery and system, 24-25th 2019-09, Busan, Korea. Ei. Research on Unsteady Characteristics of Pump Turbine in Pumping Mode - IOPscience

19. Ran Hongjuan, Dezhong Wang, Croft Lillie, Mobelli Henri-Pascal, Renewable Energy in Switzerland, China, and the United States, SCCI, An-Hui, China. 09, 2016.

20. Hongjuan Ran, Dezhong Wang, Xianwu Luo, Numerical Simulation of Instability Characteristic in Pump turbines, International symposium on transport phenomena and dynamics of rotating machinery, Hawaii, Honolulu, April 10-15, 2016. EI. Numerical Simulation of Instability Characteristic in Pump turbines - Archive ouverte HAL

21. Hongjuan Ran, Dezhong Wang, The development of nuclear power plant and storage power plant in China, American Nuclear Society, LaGrange Park, IL, 11, 2015.

22. Hongjuan Ran, Dezhong Wang, Investigation on the current situation of common maintenance failure of Reactor coolant pumps. 2015.10. The conference on nuclear pumps, Lianyungang, China.

23. H J Ran, X W Luo, Y L Chen, H Y Xu and M Farhat. Hysteresis phenomena in hydraulic measurement. 2012 IOP Conf. Ser.: Earth Environ. Sci. 15 062048. Hysteresis phenomena in hydraulic measurement - IOPscience

24. H.J Ran, X.W Luo, Y Zhang, B.T Zhuang, H.Y Xu, Numerical Simulation of a High-Head Pump Turbine and The Runner Improvement, In Proceeding of FEDSM 2008, 2008 ASME Fluids engineering conference, No.55045, Jacksonville, FL, USA,2008. EI:20093912329515. Numerical Simulation of the Unsteady Flow in a High-Head Pump Turbine and the Runner Improvement | FEDSM | ASME Digital Collection

25. H.J Ran, X.W Luo, H.Y Xu, W Luo, J.Q Peng, Parameter selection of Fluid Dynamic Sealing for a Submersible Slurry Pump, In Proceeding of FEDSM 2006, 2006 ASME Joint U.S-European Fluids Engineering Summer Meeting, No.98197, Miami, FL, USA, 2006. EI:20070110342072. Parameter Selection of Fluid Dynamic Sealing for a Submersible Slurry Pump | FEDSM | ASME Digital Collection

26. Y.H Li, H.J Ran, X.W Luo, H.Y Xu, Slurry experiment in the Yellow river, the first international conference on Hydraulic and Hydropower Engineering, 2006