A Two-Dimensional Jet Impinging Heat Transfer on a Circular Cylinder. 2nd Report. Effect of Angles between Two Plates Mounted near the Cylinder.

喜昭, 羽田; 良明, 土屋; 英夫, 倉澤; 健二郎, 鈴木

doi:10.1299/kikaib.61.1078

Cited by 5 publications

(1 citation statement)

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“…Actually, stable oscillation is suppressed at B/d ≥ 4 (Hirata et al, 2009). -We should note that, in some cases, a confined jet could suppress its self-excited oscillation in contrast (see Haneda et al, 1995).-However, our knowledge is not enough to understand the oscillation mechanism of the phenomenon. So, we conduct numerical analyses in order to reveal the oscillation mechanism.…”

Section: Introductionmentioning

confidence: 97%

Two-dimensional analysis of a simplified fluidic oscillator

Hirata

Yabuki

Umemura

et al. 2018

Mechanical Engineering Journal

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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.

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Section: Introductionmentioning

confidence: 97%