李震,付天亮,曳彦奇,顾晨阳,刘光浩

• 1:东北大学轧制技术及连轧自动化国家重点实验室

摘要(Abstract)：

薄壁矩形方管是一种新兴的极限规格特种钢材，其淬火热处理工艺技术亟待开发与应用。以高密度回形狭缝倾斜射流冲击薄壁矩形方管为研究对象，采用ANSYS三维有限元软件对其淬火冷却过程的流场-温度场进行耦合模拟，对管材不同方向上的流热均匀性进行重点分析，并进行了实验验证。结果表明：实验验证明确了方管淬火伴随非对称冷却特性，重力、方管物理结构和喷嘴的无量纲高度分别是造成淬火过程周向和轴向换热不均匀的主要原因，同时也验证了回形狭缝“外喷”射流对薄壁(≤3 mm)矩形方管热处理强化的可行性，为后续优化矩形方管淬火工艺提供了理论依据和技术支撑。

关键词(KeyWords)： 数值分析;冷却特性;流场;温度场

Abstract:

Keywords:

基金项目(Foundation): 辽宁省兴辽英才人才计划项目(XLYC2007039)

作者(Author): 李震,付天亮,曳彦奇,顾晨阳,刘光浩

DOI: 10.13289/j.issn.1009-6264.2024-0518

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