Numerical Simulation for Jets Exhausting into a Two-Dimensional Channel with Self-Induced Oscillation. 3rd Report. Active Control by OGY Method.

• IIDA Sei-ichi

• OGAWARA Kakuji

• TAKEZAWA Satoshi

Bibliographic Information

Other Title

• 自励振動を有する２次元チャンネル内噴流の数値解析　第３報　ＯＧＹ法による能動制御
• ジレイ シンドウ オ ユウスル 2ジゲン チャンネルナイ フンリュウ ノ スウ

Abstract

In the previous papers, we showed that a plane jet discharging into a channel exhibits selfsustained flip-flop motion which changes from periodic to chaotic oscillation at a certain Reynolds number. The present report deals with feedback control of the flip-flop jet based on the OGY method which is known to be useful in changing an unstable orbit into a stable orbit in the phase space of a nonlinear system. The method is first tested using model equations of both one-and two-dimensional systems, and is confirmed to work fairly well. The OGY method is applied to the numerical database of the flip-flop jet. It is found that for a certain range of control parameters, the unstable chaotic state can be reduced to a stable periodic state by the feedback input of short-interval and small-amplitude velocity perturbation.

Journal

• TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B

  TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B 63 (608), 1251-1256, 1997

  The Japan Society of Mechanical Engineers

Keywords

• Active Control

Details

• CRID: 1390001205894237184
• NII Article ID: 110002396313
• NII Article ID: 130004222554
• NII Book ID: AN00187441
• DOI: 10.1299/kikaib.63.1251
• ISSN: 18848346
• ISSN: 03875016
• NDL BIB ID: 4193229
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I4193229
• Web Site: http://www.jstage.jst.go.jp/article/kikaib1979/63/608/63_608_1251/_pdf
• Text Lang: ja
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed