涡轮钻具叶片电解加工过程多场耦合仿真分析  

Multiphysics Simulation of Electrochemical Machining Process for Turbodrill Blade

作　　者：李晓龙[1] 刘书海[1] 肖华平[1] LI Xiaolong;LIU Shuhai;XIAO Huaping(College of Mechanical and Transportation Engineering, China University of Petroleum, Beijing 102249, China)

机构地区：[1]中国石油大学机械与储运工程学院,北京102249

出　　处：《石油矿场机械》2019年第3期1-6,共6页Oil Field Equipment

基　　金：国家自然科学基金项目"页岩水力压裂过程水基润滑摩擦行为及作用机制研究"(51575529)

摘　　要：利用COMSOL软件仿真模拟涡轮钻具叶片在电解加工过程中,电场、流场以及电化学反应场之间的耦合情况。仿真结果显示,在整个加工过程中,电场参数始终均匀分布于加工间隙内;加工间隙内流场参数的分布随着加工的进行逐渐变得均匀。在综合考虑了各物理场之间的耦合作用后,仿真得到了加工完成后叶片的型面轮廓。提出的多物理场耦合模型可以有效预测叶片的成型轮廓,且加工间隙内各场参数的均匀分布有效改善了阳极工件材料的表面质量。In order to apply the electrolytic machining to the processing and manufacturing of turbodrill blade and to provide theoretical guidance for actual electrochemical machining of turbodrill blade, COMSOL software was applied for a multiphysics simulation of electrochemical machining process of the turbodrill blade. The simulation results show that the electric field parameters are always evenly distributed in the machining gap during the whole process, and the distribution of the flow field parameters in the machining gap gradually becomes uniform with the processing. After comprehensively considering the coupling between the physical fields, the profile of the blade was obtained by simulation. The results show that the multi-physics coupling model proposed can effectively predict the contour of the blade while the uniform distribution of the coupled field within the machining gap could effectively improve the surface quality of the anode work piece.

关 键 词：涡轮钻具 叶片 电解加工 多场耦合 

分 类 号：TE921.206[石油与天然气工程—石油机械设备]