On shock-induced light-fluid-layer evolution
Web12 de abr. de 2024 · Time-resolved schlieren photography was used to visualise mixing zones induced by the Richtmyer–Meshkov instability. These were initiated with four … Web10 de set. de 2024 · Shock-induced light-fluid-layer evolution is firstly investigated experimentally and theoretically. Specifically, three quasi-one-dimensional helium gas …
On shock-induced light-fluid-layer evolution
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Web27 de mai. de 2024 · The interaction of a planar shock with SF 6 /Ar/He dual interfaces (SF 6 /Ar interface is sinusoidal and Ar/He interface is unperturbed) is numerically studied with a compressible multi-component flow solver that is capable of simultaneously capturing discontinuities and resolving small-scale smooth structures. Web15 de dez. de 2008 · The structure of the concentration and velocity fields in a light-heavy-light fluid layer subjected to an impulsive acceleration by a shock wave (Richtmyer–Meshkov instability) is studied using simultaneous particle-image velocimetry and planar laser-induced fluorescence (PLIF) measurements (performed in such flows …
Web11 de abr. de 2024 · In the incipient stage of the mixing layer, wave structures caused by the pressure gradient affect the evolution of the Kelvin–Helmholtz vortexes. The dynamic mode decomposition (DMD) analysis reveals that the pressure gradient from the subsonic side to the supersonic side promotes flow instability. Web8 de dez. de 2015 · The article has a helium hermeticity of less than or equal to 1.0×10−8 atm-cc/s after 1000 thermal shock cycles, each of the thermal shock cycle comprises cooling the article to a temperature ...
Web17 de mai. de 2012 · On shock-induced evolution of a gas layer with two fast/slow interfaces 24 March 2024 Journal of Fluid Mechanics, Vol. 939 Analysis of second moments and their budgets for Richtmyer-Meshkov instability and variable-density turbulence induced by reshock WebOn shock-induced light-fluid-layer evolution Liang, Yu; Luo, Xisheng; Abstract. Publication: Journal of Fluid Mechanics. Pub Date: February 2024 DOI: …
WebShock-induced light-fluid-layer evolution is firstly investigated experimentally and theoretically. Specifically, three quasi-one-dimensional helium gas layers with different …
Web12 de abr. de 2024 · The spatio-temporal growth of the RM instability is commonly divided into three consecutive phases: a linear phase, followed by a nonlinear phase that evolves at late times towards a turbulent phase. The RM instability initiates when a shock wave crosses an interface between two different gases. raynee jobes arrestWeb20 de fev. de 2015 · Seismicity induced by fluid injection, in contrast, varies with time, often because of changes in injection rate. When a project is terminated, the rate of induced earthquakes diminishes with time, often in an irregular way ( 11 ). The spatial distribution of injection also changes as oil and gas production declines in one region and increases ... rayne ellis arnold porterWeb4 de out. de 2024 · In this study, the contribution of shock Mach number on the evolution of the RM instability induced by a shock-accelerated square light bubble is investigated numerically. The square bubble is composed of helium gas and the surrounding (ambient) gas is nitrogen. Three cases of incident shock strength are considered: M s = 1.21, 1.7, … rayne electricsWeb1 de fev. de 1993 · @article{osti_6901192, title = {Instability growth patterns of a shock-accelerated thin fluid layer}, author = {Jacobs, J W and Klein, D L and Jenkins, D G and Benjamin, R F}, abstractNote = {Laser-induced fluorescence imaging of a shock-accelerated thin gas layer, produced by a planar SF[sub 6] jet in air, shows multiple flow … simplilearn data analyst course freeWeb4 de jan. de 2024 · In this work, the experimentally observed shock driven Kelvin-Helmholtz instability is reproduced numerically. Results for two sets of two-dimensional simulations are presented. The first of these simulations represents the interaction of a Mach 2.0 shock with a circular cloud of dense gas and is compared with experimental results. rayne embley instagramWeb10 de jul. de 2012 · For the strong shock wave case ( Ma = 2.2), a boundary layer is formed adjacent to the end wall owing to the approach of vortex ring, and unsteady separation of the boundary layer near the wall results in the ejection and formation of new vortex rings. rayne elementary schoolWeb2 de mar. de 2024 · Shock-induced finite-thickness fluid layer evolution is investigated numerically and theoretically. Specifically, two-dimensional helium layers consisting of … rayne event tech \\u0026 lounge