Academic Staff

BE(Hons), PhD

Area of Specialization

Thermochemical nonequilibrium; Hypersonic impulse facilities; Optical diagnostics; Experimental hypersonics.

********MULTIPLE PHD POSITIONS ARE AVAILABLE*****************

I am currently looking for candidates to work on various topics related to hypersonic flows. Several scholarships are available. Please contact me for more details.

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Short Description

Sangdi received his Bachelor of Engineering (Aerospace engineering) with Class 1 Honours from the University of New South Wales in Sydney, Australia. He then went to The University of Queensland in Brisbane, Australia to undertake his Doctorate. His PhD project - “Mars entry afterbody radiative heating: an experimental study of nonequilibrium CO₂ expanding flow” - contributed to knowledge for designing future Mars entry vehicles. The project involved collaboration with the Aerothermodynamics branch at NASA Ames and, consequently, Sangdi was hosted as a visiting researcher there in early 2017. After completion of his PhD in 2018, Sangdi went to the RWTH Aachen University in Germany where he worked as a postdoc. During this time, Sangdi was hosted as a visiting researcher at the Chinese Academy of Sciences in Beijing, China during which he gave an invited presentation at the Institute of Mechanics.

Selected Publications

Gu, S., & Olivier, H. (2020). Capabilities and limitations of existing hypersonic facilities. Progress in Aerospace Sciences, 113, 100607. https://doi.org/10.1016/j.paerosci.2020.100607

Gu, S., Morgan, R. G., McIntyre, T. J., & Brandis, A. M. (2022). An Experimental Study of CO2 Thermochemical Nonequilibrium. AIAA Journal, 60(3), 1283-1292. https://doi.org/10.2514/1.J061037

Gu, S., Hao, J., & Wen, C. Y. (2022). On the Vibrational State-Specific Modeling of Radiating Normal Shocks in Air. AIAA Journal, 60(6), 3760-3774. https://doi.org/10.2514/1.J061438

Gu, S., Hao, J., & Wen, C. Y. (2022). State-Specific Study of Air in the Expansion Tunnel Nozzle and Test Section. AIAA Journal, 60(7). https://doi.org/10.2514/1.J061479

Gu, S., Olivier, H., Wen, C. Y., Hao, J., & Wang, Q. (2022). Characterization of Reflected Shock Tunnel Air Conditions using a Simple Method. Physics of Fluids, 34(5). https://doi.org/10.1063/5.0089120

Gu, S., Hao, J., & Wen, C. Y. (2022). Air thermochemistry in the converging section of de Laval nozzles on hypersonic wind tunnels. AIP Advances, 12(8).https://doi.org/10.1063/5.0106554 (Featured)

Gu, S., Hao, J., Wang, Q., & Wen, C. Y. (2023). Influence of Thermochemical Nonequilibrium on Expansion Tube Air Test Conditions: A Numerical Study. Physics of Fluids, 35(3). https://doi.org/10.1063/5.0141281 (in special issue on Hypersonic Flow)

Gu, S., Hao, J., & Wen, C. Y. (2023). Can vibrational pumping occur via O2–N2 collisions in nonequilibrium vibrationally excited air?. Physics of Fluids, 35(6). https://doi.org/10.1063/5.0151461

Gu, S., Hao, J., Wen, C.Y., Hong, Q., & Wang, Q. (2024). How Much Does Thermal Nonequilibrium Influence the Overall Atomic Recombination During De-Excitation?. Chemical Physics, 112220. https://doi.org/10.1016/j.chemphys.2024.112220

Gu S, Wen C-Y, Hao J, Wang W, Wang Q. The influence of hypersonic free-stream conicity on the flow over a sphere. Journal of Fluid Mechanics. 2024;989:A10. doi:10.1017/jfm.2024.489

Peer Review Services

Physics of Fluids

International Journal of Thermal Sciences

AIAA Journal

Journal of Spacecraft and Rockets

Teaching

AAE6104 - Advanced High Speed Propulsion

AAE3011 - Aircraft Performance and Flight

AAE3001 - Fundamentals of Aerodynamics

AAE4002 - Capstone Project