Academic Staff

Research Interests

• Combustion instability in gas turbines and rockets
• Combustion dynamics of zero-carbon fuels
• Nonlinear dynamics and control
• Data-driven time series analysis and modeling

Short Description

Dr Yu Guan is an Assistant Professor in the Department of Aeronautical and Aviation Engineering at the Hong Kong Polytechnic University. He obtained his PhD degree in the Department of Mechanical and Aerospace Engineering at The Hong Kong University of Science and Technology and continued working there as a Postdoctoral Fellow before joining PolyU AAE.

Opening Positions

PhD Positions in Combustion Dynamics, Nonlinear Dynamics and Control, and Data-driven Time Series Analysis and Modeling (Please contact via yu.guan@polyu.edu.hk)

Teaching Activities

AAE1D02 Introduction to Space Exploration

AAE3003 Aircraft Propulsion Systems

AAE5205 Aircraft Engine Systems and Combustion

Selected Journal Publications (Full list in Google Scholar)

Turbulent systems

1. Liao, Y., Guan, Y.*, Liu, P., Moon, K., & Kim, K. (2024). Low-order modeling of collective dynamics of four ring-coupled turbulent thermoacoustic oscillators. Nonlinear Dynamics, 1-21.
2. Guan, Y., Li, L., Jegal, H., & Kim, K. (2023). Effect of flame response asymmetries on the modal patterns and collective states of a can-annular lean-premixed combustion system. Proceedings of the Combustion Institute, 39(4), 4731-4739.
3. Guan, Y., Moon, K., Kim, K., & Li, L. (2022). Synchronization and chimeras in a network of four ring-coupled thermoacoustic oscillators. Journal of Fluid Mechanics, 938, A5.
4. Guan, Y., Li, L., Ahn, B., & Kim, K. (2019). Chaos, synchronization, and desynchronization in a liquid-fueled diffusion-flame combustor with an intrinsic hydrodynamic mode. Chaos, 29(5).
5. Xu, G., Wang, B., Guan, Y.*, Wang, Z., & Liu, P. (2023). Early detection of Hopf bifurcation in a solid rocket motor via transfer learning. Physics of Fluids, 35(12).
6. Guan, Y., Liu, P., Jin, B., Gupta, V., & Li, K. (2018). Nonlinear time-series analysis of thermoacoustic oscillations in a solid rocket motor. Experimental Thermal and Fluid Science, 98, 217-226.

Laminar systems

1. Guan, Y., Yin, B., Yang, Z., & Li, L. (2024). Forced synchronization of self-excited chaotic thermoacoustic oscillations. Journal of Fluid Mechanics, 982, A9.
2. Guan, Y., Gupta, V., & Li, L. (2020). Intermittency route to self-excited chaotic thermoacoustic oscillations. Journal of Fluid Mechanics, 894, R3.
3. Guan, Y., Gupta, V., Wan, M., & Li, L. (2019). Forced synchronization of quasiperiodic oscillations in a thermoacoustic system. Journal of Fluid Mechanics, 879, 390-421.
4. Guan, Y., He, W., Murugesan, M., Li, Q., Liu, P., & Li, L. (2019). Control of self-excited thermoacoustic oscillations using transient forcing, hysteresis and mode switching. Combustion and Flame, 202, 262-275.
5. Guan, Y., Gupta, V., Kashinath, K., & Li, L. (2019). Open-loop control of periodic thermoacoustic oscillations: experiments and low-order modelling in a synchronization framework. Proceedings of the Combustion Institute, 37(4), 5315-5323.
6. Guan, Y., Murugesan, M., & Li, L. (2018). Strange nonchaotic and chaotic attractors in a self-excited thermoacoustic oscillator subjected to external periodic forcing. Chaos, 28(9).
7. Guan, Y., Zhu, Y., Yang, Z., Yin, B., Gupta, V., & Li, L. (2023). Multifractality and scale-free network topology in a noise-perturbed laminar jet. Journal of Fluid Mechanics, 972, A6.