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  • Simulation of electrolyte velocity caused by hydrogen generation in ECM with peak-changed voltage pulse【Conference2023発表資料】
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Simulation of electrolyte velocity caused by hydrogen generation in ECM with peak-changed voltage pulse【Conference2023発表資料】

公開日:2023年12月26日
最終更新日:2023年12月27日

こちらの資料は、COMSOL Conference 2023(2023年12月開催)の発表資料をアーカイブ化したものです。

概要

A method of electrochemical machining (ECM) with peak-changed voltage pulse was proposed to solve the problem of the difficult discharging of by-products from the inter-electrode gap area in traditional electrochemical machining. In order to investigate the effectiveness of the proposed method, multiphysics models coupling with the electric field and gas-liquid two-phase flow field were established and simulated with COMSOL in ECM with traditional peak-fixed voltage pulse and with proposed peak-changed voltage pulse. Compared to traditional pulsed ECM, the simulation results show that peak-changed voltage pulse exhibits higher velocity fluctuations of liquid flow and bubble generation rates in the inter-electrode gap area in ECM with peak-changed voltage pulse, due to promotion of the discharge of electrolytic products in the machining gap.

発表者

KAISONG CHEN 様
東京農工大学 Department of Mechanical Systems Engineering Special Research Student

共同研究社

HONGPING LUO (Guangdong University of Technology/School of Mechanical and Electrical Engineering/Associate Professor)
QINGRONG ZHANG (Tokyo University of Agriculture and Technology/Department of Mechanical Systems Engineering/Doctoral course student)
夏 恒 (東京農工大学/大学院工学研究院先端機械システム部門/教授)

キーワード

By-products; ECM; peak-changed voltage pulse; COMSOL

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