宇航材料工艺2024，Vol.54Issue(3)：83-87,5.DOI:10.12044/j.issn.1007-2330.2024.03.011
有限元仿真模拟在超声喷水无损检测用水套设计中的应用
Application of FEM Simulation in the Design of Water Jackets for Ultrasonic Water Spray Non-destructive Testing
罗明 1马兆庆 1吴君豪 1蔡鹏 1吴时红1
作者信息
- 1. 航天材料及工艺研究所,北京 100076
- 折叠
摘要
Abstract
Water jacket plays an important role in ultrasonic water spray penetration detection.In order to design a water jacket with good coupling effect and to reduce the influence of water flow turbulence on acoustic coupling,this paper constructs a finite element simulation of geometric model,physical model,and numerical solution for the probe jacket to conduct fluid dynamics simulation.The simulation results show that without a rectification device,the water injected from the inlet collides with the inner wall of the probe sleeve,causing severe turbulence.After entering the outlet pipe,the turbulent state is still maintained,and the direction of the water flow line is chaotic.After adding a rectification device,the turbulence inside the probe sleeve is well suppressed,making the direction of the water flow into the outlet pipe conforming to consistency.This phenomenon becomes more pronounced as the number rectifying element increase.This article aims to simulate the state of the water column after the water flow passes through the outlet,especially after increase of initial water flow velocity.The use of FEM's muti_physical field simulation function with addition of sound fields has laid the foundation for simulating changes in sound fields under turbulent conditions.关键词
有限元仿真/超声喷水穿透/探头水套/紊流Key words
Finite element method simulation/Ultrasonic water spray penetration/Probe water jacket/Turbulence分类
信息技术与安全科学引用本文复制引用
罗明,马兆庆,吴君豪,蔡鹏,吴时红..有限元仿真模拟在超声喷水无损检测用水套设计中的应用[J].宇航材料工艺,2024,54(3):83-87,5.
