Dear students, teachers and friends, 

hello everyone! My name is Yang Dong. I returned to China from Imperial College London in early November 2020 and joined the Department of Mechanics and Aerospace Engineering of Southern University of Science and Technology as an independent PI. 

My research focuses on predicting and controlling combustion thermoacoustic instability. The instability of combustion thermoacoustics comes from the positive feedback between sound and unstable combustion: unstable combustion (the actual combustion in the combustion chamber is always unstable due to the existence of turbulence) produces sound, and the sound is reflected by the boundary after being transmitted Come back to further disturb the combustion and produce more sound; this positive feedback process may produce catastrophic great pressure shocks-it is a major technical problem faced in the design of aero engines, power generation/ship gas turbines, and rocket engine combustion chambers. . Predicting and controlling thermoacoustic instability is very challenging because it involves the complex coupling of multi-scale and multi-physical fields between sound waves, turbulence, and combustion-for example, the combustion chamber department of the world’s top aero-engine manufacturer, Rolls-Royce. Use about 80% of the energy to solve the problem. In response to this problem, our research group is committed to developing the world’s most cutting-edge low-order simulation tools and the closely related vortex-acoustic-entropy wave system coupling theoretical model, and combining numerical calculations and experimental measurements to achieve this instability Quantitative prediction and effective control. Our research on the prediction and control of thermoacoustic instability and the theory of vortex-acoustic-entropy wave coupling is at the forefront of the world and has important influence and leading role. Our research results are widely published in top journals in the fields of Acoustics (JSV), Fluid Mechanics (JFM), Combustion (CNF, PCI) and Aerospace (AIAA J.). I was also fortunate to be invited by the top companies in the industry such as Rolls-Royce, Germany, and Reaction Engines, etc. to report on combustion thermal instability and its control. 

At present, my laboratory at SUSTech is rapidly being formed, and we will do the most cutting-edge research in the industry with world-class influence here. I sincerely invite all outstanding postdoctoral, doctoral and master students to join us! The research group encourages everyone to actively pursue independence, be brave to challenge difficult problems/authorities, and be good at presenting research results. We are also happy to support everyone to actively participate in academic conferences at home and abroad to carry out exchanges and cooperation. 

Postdoc: Candidates should have obtained or will obtain a doctorate degree in related majors in the near future, and have great interest in scientific research (you should have the ambition to become an independent PI within about 3 years), optimistic, focused, and persistent. Research directions include: (1) Theoretical prediction and control of thermoacoustic instability in aero-engine/gas turbine annular combustor, (2) Vortex-acoustic-entropy wave coupling theory. Those with theoretical, numerical or experimental backgrounds are acceptable. Those who have a good mathematical foundation or have a strong interest in learning this knowledge are preferred. (3) Other related issues (can be negotiated). The post-doctorate’s annual salary is about 335,000 yuan (there may be additional year-end awards and housing subsidies); particularly outstanding candidates can apply for outstanding post-doctoral fellows, with an annual salary of up to 415,000 yuan. As the person in charge, he can apply for postdoctoral science fund, national natural science fund, and provincial and municipal funds. Application materials include: (1) One-page personal statement explaining the reasons for applying for this position + (2) Personal resume + (3) Representative papers (not more than three). The application materials are combined into a single PDF file and sent to [email protected] . 

Doctoral students : recruit a PhD in mechanics. I hope you have great interest in scientific research itself or in expanding the application of technologies in this field, and are optimistic, focused, and persistent. Those with theoretical, numerical or experimental backgrounds are acceptable, and those who have a good mathematical foundation or a strong interest in learning this knowledge are preferred. Have a master’s degree or will soon obtain a master’s degree Admission adopts the “application-assessment system”, please send your resume to [email protected] . For related details, please refer to: https://mae.sustech.edu.cn/html/yanjiusheng/ . 

Master’s degree students : recruit an academic master degree in mechanics. I hope you have great interest in scientific research or expanding the application of technologies in this field, and are optimistic, focused, and persistent. Applicants have theoretical, numerical or experimental backgrounds, and those who have a good mathematical foundation or a strong interest in learning this knowledge are preferred. Encourage to contact the tutor and send your resume to [email protected] . For related details, please refer to:https://mae.sustech.edu.cn/html/yanjiusheng/ . 

Thank you for your attention and look forward to seeing you in the young and energetic SUSTech! 

Best wishes, 
Yang Dong The 

following is Dr. Yang Dong’s personal profile (the school’s official website has not yet released a personal page) 
[Research work experience]
Since November 2020, Southern University of Science and Technology, Department of Mechanics and Aerospace Engineering, Assistant Professor 
2017-2020, London Empire Science and Engineering, Department of Mechanical Engineering, Assistant Researcher 
[Learning Experience]
2013-2017, Imperial College London, Department of Aeronautical/Mechanical Engineering, Ph.D. (Ph.D. Thesis defense is passed without revision) 
2011-2013, Tsinghua University, Department of Energy and Power Engineering, Master ( Published papers in top journals in the field of acoustics during the master’s degree) 
2007-2011, Tsinghua University, Department of Energy and Power Engineering, Bachelor (Awarded academic excellence scholarship during the undergraduate period-the top 10% in the department) 
2004-2007, Chongqing Bashu Middle School, High School ( About 0.03% before the college entrance examination in Chongqing) 
[Main honors]
2017 Osborne Reynolds Award Oral Report Award-Top 6 Ph.Ds in the field of fluid mechanics in the UK 
Research was selected in the Journal of Sound Vibration’s 2017 European Aeroacoustic Research Highlights 
[Research Field]
Combustion Thermoacoustics Instability, vortex-acoustic-entropy wave coupling theory, muffler, linear and non-linear dynamic system, control and optimization 
[the main cooperating institution of the current project] Tsinghua 
University, Imperial College London, UK

Beijing University of Aeronautics and Astronautics 
Royal Institute of Technology (KTH) 
Norwegian University of Science and Technology (NTNU) 
[Some representative papers]
(* indicates the corresponding author) 
1) Dong Yang* , Juan Guzmán-Iñigo and Aimee S. Morgans, “Sound generation by entropy perturbations passing through a sudden flow expansion”, In: J. Fluid Mech. (2020), vol. 905, R2. 
2) Renaud Gaudron*, Dong Yang , Aimee S. Morgans, “Acoustic energy balance during the onset, growth and saturation of thermoacoustic instabilities”, In: Journal of Engineering for Gas Turbines and Power, 2020. 
3) Xiao Han, Davide Laera, Dong Yang, Chi Zhang*, Jianchen Wang, Xin Hui, Yuzhen Lin, Aimee S. Morgans, Chih-Jen Sung, “Flame interactions in a stratified swirl burner: flame stabilization, combustion instabilities and beating oscillations”, In: Combustion and Flame 212 ( 2020) 500–509.
4) Juan Guzmán-Iñigo, Dong Yang* , Holly G. Johnson, and Aimee S. Morgans, “On the sensitivity of the acoustics of short circular holes to inlet edge geometries”, In: AIAA Journal, Vol. 57, No. 11, November 2019. 
5) Dong Yang* , Davide Laera, Aimee S. Morgans, “A systematic study of nonlinear coupling of thermoacoustic modes in annular combustors”, In: Journal of Sound and Vibration 456 (2019 ): 137-161. 
6) Dong Yang*, Francesca M. Sogaro, Aimee S. Morgans, Peter J. Schmid, “Optimising the acoustic damping of multiple Helmholtz resonators attached to a thin annular duct”, In: Journal of Sound and Vibration 444 (2019): 69-84. 
7 ) Chunyan Li, Dong Yang* , Suhui Li, Min Zhu, “An analytical study of the effect of flame response to simultaneous axial and transverse perturbations on azimuthal thermoacoustic modes in annular combustors”, In: Proceedings of the Combustion Institute 37 (2019) 5279–5287. 
8) Dong Yang* , Aimee S. Morgans, “Acoustic Models for Cooled Helmholtz Resonators”, AIAA Journal, Vol. 55, No. 9 (2017), pp. 3120-3127. 
9) Dong Yang*, Aimee S. Morgans, “The acoustics of short circular holes opening to confined and unconfined spaces”, Journal of Sound and Vibration 393 (2017): 41-61. 
10) Dong Yang* , Aimee S. Morgans, “A semi- analytical model for the acoustic impedance of finite length circular holes with mean flow”, Journal of Sound and Vibration 384 (2016): 294-311.

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