CAJ | 학술논문

为进一步研究超声波对模具异型腔内气液混合相的作用，有效提高抛光效果，本文基于CFD，应用软件FLUENT6．3建立模具异型腔内超声抛光的模型。运用k-ε模型、气液两相流空化模型，模拟计算出模具异型腔内抛光介质在低压区的分布以及空化气泡的形成区域及其形成机理，确定了一定的空化现象的发生将有助于提高超声波抛光的精度。
위진일보연구초성파대모구이형강내기액혼합상적작용，유효제고포광효과，본문기우CFD，응용연건FLUENT6．3건립모구이형강내초성포광적모형。운용k-ε모형、기액량상류공화모형，모의계산출모구이형강내포광개질재저압구적분포이급공화기포적형성구역급기형성궤리，학정료일정적공화현상적발생장유조우제고초성파포광적정도。
In order to further investigate the role of ultrasound on gas-liquid mixed phase in the mold cavity and im-prove the polishing result effectively,the software FLUENT6.3 is applied to establish ultrasonic polishing mold based on CFD.It is simulated for the distribution of polishing medium in the area of??low pressure and formation region,mecha-nism of cavitation bubbles by k-εmodel and gas-liquid mixed phase cavitation model.The study identifies that a cavita-tion phenomenon is able to improve the accuracy of ultrasonic polishing.