预测沸热量流量,传热系数和模式 非侵入性地使用外部声学和深度学习
Doyeong Lim1,2, Yang Liu2, In Cheol Bang3
1Department of Nuclear Engineering, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea.
Scientific reports
|July 2, 2025
概括
本研究介绍了一种非侵入性方法,使用声辐射 (AE) 信号和深度学习来监测沸热传递. 该方法准确地预测了热量流量,传热系数 (HTC) 和沸状态,提高了系统的安全性.
科学领域:
- 热力工程是热力工程中的一个.
- 声学 声学 在声学方面
- 人工智能的人工智能
背景情况:
- 对高能量密度系统来说,沸热传递监测至关重要.
- 由于侵入性传感器和视觉检查限制,传统方法在恶劣的工业环境中是不切实际的.
- 需要非侵入性诊断来提高安全性和效率.
研究的目的:
- 开发一个非侵入性诊断框架,用于沸热传递.
- 将声波发射 (AE) 信号与实时监控的深度学习相结合.
- 准确预测关键的沸参数和制.
主要方法:
- 进行了池沸实验,从自然对流到临界热流 (CHF).
- 在各种沸条件下收集的外部声辐射 (AE) 信号.
- 利用深度学习,特别是基于变压器的模型,用于信号分析和预测.
主要成果:
- 一个基于变压器的模型在热流和HTC方面实现了<20%的预测误差.
- 沸状态分类的准确性超过了98%.
- 频域AE信号特征与沸现象有很强的相关性.
结论:
- 拟议的非侵入性框架使得可靠的诊断热传递.
- 它允许同时预测关键沸参数,而无需侵入性仪器仪表.
- 这提高了热管理系统的操作安全性和可靠性.
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