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New Breakthroughs Made by SIT Turbulence Research Team in the Field of Heat Transfer

Time:July 30, 2025

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Recently, the Turbulence Research Team of SIT published a research paper titled “Heat transfer and energy evolution in compressible flow around a locally heated cylinder” in International Journal of Heat and Mass Transfer (JCR Q1, Impact Factor: 5.2), a leading international journal in the field of heat transfer. Professor Liu Yulu from SIT is the first author, with Tao Yizhou and Qiu Xiang as corresponding authors. Graduate students including Gao Shulong and Zou Fan participated in the research.

As part of a key project funded by the National Natural Science Foundation of China, this study focuses on the thermodynamic behavior and energy evolution mechanisms in compressible flow around a locally heated cylinder. Based on high-precision numerical simulation data, the research team innovatively combined methods such as pseudo-enstrophy analysis and the time-averaged total enthalpy transport equation. They thoroughly investigated the effects of different heating positions on the evolution of vortex structures, heat transfer characteristics, and aerodynamic properties in the flow field. For the first time, they precisely identified characteristic regions of total enthalpy variation in the near-wake region behind the heated cylinder and quantitatively analyzed the physical mechanisms behind the formation of these distinct regions. This discovery provides a critical theoretical foundation for optimizing the design and performance of locally heated components—such as surface sensors and pitot tubes on aircraft—in the aerospace field.

The research outcomes not only deepen the understanding of heat and mass transfer mechanisms in complex flows but also mark a significant advancement in our university’s Turbulence Research Team’s exploration of key issues in the field. This progress holds substantial scientific importance for advancing key technologies and fostering innovation in major engineering projects.