孙哲
Professor Supervisor of Doctorate Candidates Supervisor of Master's Candidates
Gender:Male
Alma Mater:University of Southampton
Degree:Doctoral Degree
School/Department:School of Naval Architecture and Ocean Engineering
Discipline:Design and Manufacture of Ship and Ocean Structure
Business Address:Towing tank building, Room 305
Contact Information:ResearchGate Homepage: https://www.researchgate.net/profile/Zhe_Sun12
E-Mail:zsun@dlut.edu.cn
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Indexed by:Journal Papers
Date of Publication:2019-11-01
Journal:PHYSICS OF FLUIDS
Included Journals:EI、SCIE
Volume:31
Issue:11
ISSN No.:1070-6631
Abstract:In this work, a developed Shear Stress Transport (SST) model has been used for numerically simulating the problem of turbulent round jet impingement heat transfer. Based on the cross-diffusion correction activated in the logarithmic and wake parts of a region by using a blending function in the destruction term of turbulent kinetic energy k, the developed SST model is capable of recovering the effect of the pressure gradient ignored by the standard SST model. Also, the Kato-Launder model is added in the production term of k to consider the stagnating flows. The developed model has been investigated for turbulent round jets with the nozzle-plate spacing of 2, 4, and 6. The model is verified by comparing with the measurements and the results of the standard SST model, the SST with low-Re model, the Launder and Sharma model with the Yap model, the k-omega model, and the Reynolds-averaged Navier-Stokes/large eddy simulation model. Comparing with other referred methods, the developed model obtains accurate prediction in terms of velocity and pressure. As for heat transfer, it also possesses appropriate performance. Moreover, the developed model is sensitive to the pressure gradient, which helps the model be capable of reproducing accurate flow structures. By using the present model, it has been found that the velocity profiles are dominated by the turbulent kinetic energy away from walls. Meanwhile, the results show that the inner peak of heat transfer is connected with the radial pressure gradient at the stagnation point. Published under license by AIP Publishing.
Dr Zhe SUN is an associate Professor in School of Naval Architecrue and Ocean Engineering of Dalian University of Technology. He obtained his first and Master degree from Harbin Engineering University （in China）in 2009 and 2012. In 2016, he graduated from Univerisity of Southampton (in UK) with PhD degree in Computational Mechanics . He joined Dalian University of Technoloy in 2017 as Lecturer. He is now teaching the course of Enviromental Mechanics for Ocean Engineering for undergraduate students.
His main research insterests include Computational Fluid Dynamcis, Particle Meshless Method and Wave-Structure Interaction. He has published more than 20 peer-reviewed journal papers spanning from renowned Ocean Engineering and Computational Engineering journals such as Ocean Engineering, Marine Structures, Applied Ocean Research and Journal of Fluids and Structures etc.
