Study on Control of Jet Attachment in Asymmetric Channel

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  • A141 非対称管路内における付着噴流の制御
  • ヒタイショウ カンロナイ ニ オケル フチャク フンリュウ ノ セイギョ

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Abstract

Anumerical study is performed on control of jet attachment by parallel controlling jet in asymmetric channel. The analysis of this study was carried out for the several combination models in the width of controlling jet nozzle over a wide range of the flow rate ratio between main jet and controlling jet. The k-ε turbulence model was chosen to calculate the velocity The results obtained were as follows; the attachment distance of jet was increase with increasing flow ratio and flow direction changed discontinuously, and attachment distance decreased in high flow rate ratio.region with increasing flow ratio. The switch of flow direction occurred less flow rate ratio by extended controlling nozzle.

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