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05

Jul 05,2023

Public Notice of 2020 Higher Education Institutions’ Outstanding Scientific Research Achievement Award (Science and Technology) Projects

Process valves are critical equipment in process industries such as petrochemicals, energy metallurgy, and power & mining. With the trend toward larger-scale and high-end development in these process industries, process valves frequently encounter harsh operating conditions—including high/low temperatures, high pressures, easy vaporization, solid particle content, and strong corrosivity—posing significant challenges to the independent R&D and application of high-end process valves. The key technical difficulties primarily lie in the following three aspects: First, there is a lack of comprehensive consideration of the multiphase and multiphysical coupling flow characteristics induced by the severe operating conditions of high-end process valves; consequently, no numerical computational method has been developed for the entire flow field under such multiphase and multiphysical coupling mechanisms, making it impossible to accurately predict the internal flow characteristics and performance of process valves. Second, there has been insufficient research on the fluid dynamics characteristics and material strain analysis of process valves under harsh operating conditions, resulting in a dearth of structural design guidelines for high-end process valves and preventing the establishment of advanced structural design technologies tailored specifically for these demanding environments. Third, there is still no established framework for addressing the severe operating conditions...