Understanding the spatial interaction of ultrasounds based on three-dimensional dual-frequency ultrasonic field numerical simulation

IF 1.6 3区材料科学 Q2 Materials Science

China Foundry Pub Date : 2023-09-28 DOI:10.1007/s41230-023-3042-1

Zhao-yang Yin, Qi-chi Le, Yan-chao Jiang, Da-zhi Zhao, Qi-yu Liao, Qi Zou

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Abstract

A transient 3D model was established to investigate the effect of spatial interaction of ultrasounds on the dual-frequency ultrasonic field in magnesium alloy melt. The effects of insertion depth and tip shape of the ultrasonic rods, input pressures and their ratio on the acoustic field distribution were discussed in detail. Additionally, the spacing, angle, and insertion depth of two ultrasonic rods significantly affect the interaction between distinct ultrasounds. As a result, various acoustic pressure distributions and cavitation regions are obtained. The spherical rods mitigate the longitudinal and transversal attenuation of acoustic pressure and expand the cavitation volume by 53.7% and 31.7%, respectively, compared to the plate and conical rods. Increasing the input pressure will enlarge the cavitation region but has no effect on the acoustic pressure distribution pattern. The acoustic pressure ratio significantly affects the pressure distribution and the cavitation region, and the best cavitation effect is obtained at the ratio of 2:1 (P15:P20).

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基于三维双频超声场数值模拟的超声空间相互作用研究

建立了瞬态三维模型，研究了超声空间相互作用对镁合金熔体中双频超声场的影响。详细讨论了超声棒插入深度、尖端形状、输入压力及其比值对声场分布的影响。此外，两根超声棒的间距、角度和插入深度对不同超声之间的相互作用有显著影响。得到了不同的声压分布和空化区域。与板形杆和锥形杆相比，球形杆可减轻纵向和横向声压衰减，空化体积扩大幅度分别为53.7%和31.7%。增加输入压力会扩大空化区域，但对声压分布模式没有影响。声压比对压力分布和空化区域影响显著，当声压比为2:1 (P15:P20)时，空化效果最佳。

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来源期刊

China Foundry 工程技术-冶金工程

CiteScore

2.10

自引率

25.00%

发文量

1646

审稿时长

3.0 months

期刊介绍： China Foundry, published bimonthly to a worldwide readership, mainly reports on advanced scientific and technical achievements, applied technology, production successes, management and leadership, recent developments and industry information in the foundry field. Coverage encompasses all casting technologies and includes, but is not limited to, novel and net shape casting technologies; casting alloy design and modification; control of nucleation, solidification and microstructure & mechanical properties; computer aided design; rapid prototyping; mold making, mold materials and binders; mold and gating design; melting and liquid-metal treatment and transport; modeling and simulation of metal flow and solidification; post-casting treatments; quality control and non-destructive testing; process automation and robotics; and safety and environmental issues.