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Numerical Simulation of Flows in Electro-Chemical Machining for Compressor Blade

[+] Author Affiliations
Takuma Kamijo, Kazuyuki Toda, Makoto Yamamoto

Tokyo University of Science, Tokyo, Japan

Shunji Enomoto

National Aerospace Laboratory, Tokyo, Japan

Ikuhisa Mizuta, Kuniyuki Imanari

Ishikawajima-Harima Heavy Industries Company, Ltd., Tokyo, Japan

Paper No. FEDSM2003-45775, pp. 2425-2430; 6 pages
doi:10.1115/FEDSM2003-45775
From:
  • ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference
  • Volume 1: Fora, Parts A, B, C, and D
  • Honolulu, Hawaii, USA, July 6–10, 2003
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 0-7918-3696-7 | eISBN: 0-7918-3673-8
  • Copyright © 2003 by ASME

abstract

Electro-Chemical Machining (ECM) is an advanced machining technology. It has been applied to highly specialized fields such as aerospace, aeronautics and medical industries. However, it still has some problems to be overcome. The efficient tool-design, electrolyte processing, and disposal of metal hydroxide sludge are the typical issues. To solve such problems, CFD is considered to be a powerful tool in the near future. However, the numerical method that can satisfactorily predict the flow has not been established because of the complex flow natures. In the present study, we develop a numerical code and simulate the three-dimensional flow in the ECM process of compressor blades. Visualizing the computed flow field, the characteristics of the flow between the tool and the blade are investigated. It is exhibited that the over-machining occurs due to the Joule’s heating and the flow deviation around the leading and trailing edges.

Copyright © 2003 by ASME

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