Two-dimensional analysis of a simplified fluidic oscillator
In order to investigate a self-excited oscillatory phenomenon of a two-dimensional confined jet with a cylinder as a downstream target, the authors conduct two-dimensional numerical analyses based on vorticity ζ and stream function ψ using a finite-difference discretisation method. At first, confirm...
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The Japan Society of Mechanical Engineers
2018
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oai:doaj.org-article:55809c83f0ed4d13b9f3c341880218312021-11-26T07:16:03ZTwo-dimensional analysis of a simplified fluidic oscillator2187-974510.1299/mej.17-00294https://doaj.org/article/55809c83f0ed4d13b9f3c341880218312018-03-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/5/2/5_17-00294/_pdf/-char/enhttps://doaj.org/toc/2187-9745In order to investigate a self-excited oscillatory phenomenon of a two-dimensional confined jet with a cylinder as a downstream target, the authors conduct two-dimensional numerical analyses based on vorticity ζ and stream function ψ using a finite-difference discretisation method. At first, confirming the reliability and accuracy of the present analyses, the authors examine two kinds of preliminary tests prior to the main test. Aa a result, the authors reveal (1) the two-dimensionality of the phenomenon by comparing computations with experiments, and (2) the importance and complexity of the upstream of the downstream target.Katsuya HIRATANaoki YABUKIKazuki UMEMURATatsuya INOUEHirohisa WAKISAKAHirochika TANIGAWAThe Japan Society of Mechanical Engineersarticleflowmeterfluid logicfluidic oscillatorfluidicsflip-flop jetfdmmulti-connectednessMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 5, Iss 2, Pp 17-00294-17-00294 (2018) |
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DOAJ |
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EN |
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flowmeter fluid logic fluidic oscillator fluidics flip-flop jet fdm multi-connectedness Mechanical engineering and machinery TJ1-1570 |
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flowmeter fluid logic fluidic oscillator fluidics flip-flop jet fdm multi-connectedness Mechanical engineering and machinery TJ1-1570 Katsuya HIRATA Naoki YABUKI Kazuki UMEMURA Tatsuya INOUE Hirohisa WAKISAKA Hirochika TANIGAWA Two-dimensional analysis of a simplified fluidic oscillator |
description |
In order to investigate a self-excited oscillatory phenomenon of a two-dimensional confined jet with a cylinder as a downstream target, the authors conduct two-dimensional numerical analyses based on vorticity ζ and stream function ψ using a finite-difference discretisation method. At first, confirming the reliability and accuracy of the present analyses, the authors examine two kinds of preliminary tests prior to the main test. Aa a result, the authors reveal (1) the two-dimensionality of the phenomenon by comparing computations with experiments, and (2) the importance and complexity of the upstream of the downstream target. |
format |
article |
author |
Katsuya HIRATA Naoki YABUKI Kazuki UMEMURA Tatsuya INOUE Hirohisa WAKISAKA Hirochika TANIGAWA |
author_facet |
Katsuya HIRATA Naoki YABUKI Kazuki UMEMURA Tatsuya INOUE Hirohisa WAKISAKA Hirochika TANIGAWA |
author_sort |
Katsuya HIRATA |
title |
Two-dimensional analysis of a simplified fluidic oscillator |
title_short |
Two-dimensional analysis of a simplified fluidic oscillator |
title_full |
Two-dimensional analysis of a simplified fluidic oscillator |
title_fullStr |
Two-dimensional analysis of a simplified fluidic oscillator |
title_full_unstemmed |
Two-dimensional analysis of a simplified fluidic oscillator |
title_sort |
two-dimensional analysis of a simplified fluidic oscillator |
publisher |
The Japan Society of Mechanical Engineers |
publishDate |
2018 |
url |
https://doaj.org/article/55809c83f0ed4d13b9f3c34188021831 |
work_keys_str_mv |
AT katsuyahirata twodimensionalanalysisofasimplifiedfluidicoscillator AT naokiyabuki twodimensionalanalysisofasimplifiedfluidicoscillator AT kazukiumemura twodimensionalanalysisofasimplifiedfluidicoscillator AT tatsuyainoue twodimensionalanalysisofasimplifiedfluidicoscillator AT hirohisawakisaka twodimensionalanalysisofasimplifiedfluidicoscillator AT hirochikatanigawa twodimensionalanalysisofasimplifiedfluidicoscillator |
_version_ |
1718409656443863040 |