大型薄壁壳体零件高压气淬过程温度均匀性数值模拟

doi:10.13251/j.issn.0254-6051.2024.07.002

金属热处理 ›› 2024, Vol. 49 ›› Issue (7): 9-15.DOI: 10.13251/j.issn.0254-6051.2024.07.002

大型薄壁壳体零件高压气淬过程温度均匀性数值模拟

王婧¹, 张小娟², 仝大明¹, 顾剑锋¹, 周钟平², 白鹭², 朱立坚²

1.上海交通大学材料科学与工程学院材料改性与数值模拟研究所, 上海 200240;
2.上海新力动力设备研究所, 上海 200240

收稿日期:2023-11-27 修回日期:2024-02-23 出版日期:2024-07-25 发布日期:2024-08-29
作者简介:王婧(1977—),女,工程师,主要研究方向为流场在热处理过程的数值模拟及其工程应用,E-mail: jwang919@sjtu.edu.cn
基金资助:
航天八院-上海交大联合基金(USCAST2021-6)

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

Wang Jing¹, Zhang Xiaojuan², Tong Daming¹, Gu Jianfeng¹, Zhou Zhongping², Bai Lu², Zhu Lijian²

1. Institute of Materials Modification and Modeling, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
2. Shanghai Space Propulsion Technology Research Institute, Shanghai 200240, China

Received:2023-11-27 Revised:2024-02-23 Online:2024-07-25 Published:2024-08-29

摘要/Abstract

摘要： 针对航天结构件大型薄壁壳体在真空高压气淬炉内的淬火过程,进行了包括真空炉体和薄壁壳体的流固耦合模拟,获得了壳体冷却过程中的炉内气体流动状态和壳体温度分布,评估了壳体在真空炉内高压气淬时的温度均匀性,并针对不同气体出口位置、不同装炉形式和导流情况模拟了壳体温度分布。结果表明,与原始模型相比,采用1出口方案、1壳体放置在炉膛中心和加入挡板的淬火方式能分别提升壳体温度均匀性8%、30%和12.5%,该结果为控制壳体变形提供了优化的淬火方案。

关键词: 流固耦合模拟, 薄壁壳体, 高压气淬, 淬火方案, 温度均匀性

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

中图分类号:

TG155.1

王婧, 张小娟, 仝大明, 顾剑锋, 周钟平, 白鹭, 朱立坚. 大型薄壁壳体零件高压气淬过程温度均匀性数值模拟[J]. 金属热处理, 2024, 49(7): 9-15.

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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大型薄壁壳体零件高压气淬过程温度均匀性数值模拟

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

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