Numerical simulation of temperature uniformity of large thin-walled shell parts during high pressure gas quenching

doi:10.13251/j.issn.0254-6051.2024.07.002

Abstract

Abstract: Fluid-solid coupling simulations were carried out for the large thin-walled shells during high pressure gas quenching. The numerical model was included the vacuum high-pressure gas quenching furnace and the large thin-walled shells which were aerospace components. The temperature uniformity of the shell during high pressure gas quenching in the vacuum furnace was evaluated, and the shell temperature distribution was simulated corresponding to the different gas outlet positions, different furnace charging and flow diversion conditions. The results show that compared with the original model, the quenching methods of one-outlet scheme, one-shell charging in the center of furnace and adding baffles can improve the temperature uniformity of the shell by 8%, 30% and 12.5% respectively, and the results provide an optimized quenching scheme for controlling the deformation of the shell.

Key words: fluid-solid coupling simulation, thin-walled shell, high pressure gas quenching, quenching scheme, temperature uniformity

CLC Number:

TG155.1

Wang Jing, Zhang Xiaojuan, Tong Daming, Gu Jianfeng, Zhou Zhongping, Bai Lu, Zhu Lijian. Numerical simulation of temperature uniformity of large thin-walled shell parts during high pressure gas quenching[J]. Heat Treatment of Metals, 2024, 49(7): 9-15.

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