Warmly welcome to Qingdao to attend the 6th International Symposium on Thermal-Fluid Dynamics (ISTFD 2025). It is a follow-up conference to the previous five successful conferences, which were held in Xi’an, China (2019), Beijing, China (2021), Xi’an, China (2022), Nanjing, China (2023) and Xi’an, China(2024). ISTFD 2025 will be held in Qingdao, China on 25-28 July 2025, and is organized by the College of New Energy, China University of Petroleum, East China.

Thermal-Fluid Dynamics play a significant role in energy revolution and achieving carbon neutrality. It is the foundations to a wide range of engineering subjects such as energy, power, environment, energy saving and storage, renewable energy, aerospace and astronautics, nuclear energy, hydrogen energy, mechanical engineering, emerging and interdisciplinary subjects such as zero carbon technologies, micro- and nano-fluidics, advanced thermal processes and others. It plays a key role in the development and breakthrough of scientific theories, innovative technologies and revolution of industry and human society systems.