A basic study on aerodynamic noise reduction techniques for a pantograph head using plasma actuators

Takeshi Mitsumoji; Yuichi Sato; Mitsuru Ikeda; Takeshi Sueki; Koji Fukagata

doi:10.2219/rtriqr.55.184

A basic study on aerodynamic noise reduction techniques for a pantograph head using plasma actuators

Takeshi Mitsumoji, Yuichi Sato, Mitsuru Ikeda, Takeshi Sueki, Koji Fukagata

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

Reducing aerodynamic noise emitted from a pantograph head is an important environmental factor to be examined in the light of increasing the running speed of Shinkansen trains. This paper discusses control of flow around the pantograph head using plasma actuators. The results of the wind tunnel tests show that plasma actuators can prevent flow separation from the pantograph head surface and weaken Karman vortices. In addition, CFD results indicate that the plasma actuators can reduce aerodynamic noise emitted from the pantograph head.

Original language	English
Pages (from-to)	184-189
Number of pages	6
Journal	Quarterly Report of RTRI (Railway Technical Research Institute)
Volume	55
Issue number	3
DOIs	https://doi.org/10.2219/rtriqr.55.184
Publication status	Published - 2014 Aug 1

Keywords

Aerodynamic noise
CFD
Flow control
Pantograph
Pantograph head
Plasma actuator

ASJC Scopus subject areas

Mechanical Engineering

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AU - Fukagata, Koji

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A basic study on aerodynamic noise reduction techniques for a pantograph head using plasma actuators

Abstract

Keywords

ASJC Scopus subject areas

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