On the dynamics of a shock–bubble interaction

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August undefined, 2024

Web14 de out. de 2012 · Two-dimensional and three-dimensional computational fluid dynamics studies of a spherical bubble impacted by a supersonic shock wave (Mach 1.25) have been performed to fully understand the complex ... WebIn this two-dimensional DNS problem, a pure hydrogen bubble interacts with a shock delimiting two air conditions as presented on Fig. 3(a). In such problem, reflections occur as the bubble ...

(PDF) 3D shock-bubble interaction - ResearchGate

Web1 de set. de 2013 · Two-dimensional and three-dimensional computational fluid dynamics studies of a spherical bubble impacted by a supersonic shock wave (Mach 1.25) have been performed to fully understand the complex ... Web14 de fev. de 2024 · The subject of the present theoretical study is the dynamics of bubble-bubble interactions in a viscoelastic medium. First, new equations for calculating the … can people with seizures drive

Multiphase fluid-solid coupled analysis of shock-bubble-stone ...

Web摘要：. The dynamics of multiple shock-accelerated bubbles initially located in the vicinity of a rigid wall are investigated with a finite volume multiphase compressible flow solver. The method employs a coupled color function and level set description of the interface in order to suppress spurious numerical oscillations at the multi ... Web1 de set. de 1994 · We present a detailed numerical study of the interaction of a weak shock wave with an isolated cylindrical gas inhomogeneity. Such interactions have been … Web30 de jul. de 2008 · Quirk J J and Karni S 1996 On the dynamics of a shock-bubble interaction, J. Fluid Mech. 318 129-163. Crossref Google Scholar Saurel R and Abgrall R 1999 A simple method for compressible multifluid flows, SIAM J. Sci. Comput. 21 1115-1145. Crossref Google Scholar can people with tracheostomy eat

Particle propulsion from attached acoustic cavitation bubble …

高超声速有攻角锥裙直接数值模拟研究

Web22 de out. de 2014 · We present a detailed numerical study of the interaction of a weak shock wave with an isolated cylindrical gas inhomogeneity. Such interactions have … WebThe model calculation confirms many of the basic features in bubble dynamics observed experimentally, in particular the strong secondary shock wave emission generated by in … flame out playWebIn this two-dimensional DNS problem, a pure hydrogen bubble interacts with a shock delimiting two air conditions as presented on Fig. 3(a). In such problem, reflections occur … can people with tics drive

"Web24 de nov. de 2016 · This computational framework is first verified for 3 example problems including a 1D multimaterial Riemann problem, a 3D shock-stone interaction problem, and a 3D shock-bubble interaction problem. Next, a series of shock-bubble-stone–coupled simulations are presented. This study suggests that the dynamic response of a bubble … " - On the dynamics of a shock–bubble interaction

On the dynamics of a shock–bubble interaction

doi:10.1016/j.fluiddyn.2007.12 - Institute of Physics

Web14 de mar. de 2024 · Abstract— The problem of the interaction of a shock wave with an increased-density gas bubble in the neighborhood of the wall is investigated on the basis of numerical simulation of Euler’s equations in the two-dimensional plane formulation. The process of shock wave refraction and focusing, namely, reflection of transverse shocks … WebHá 1 dia · Therefore, numerical simulations are carried out with high resolution three-dimensional delayed detached eddy simulation (DDES), to study the spatiotemporal dynamics of wall pressure signals and unsteady shock interactions. The transient statistics considered include spectral Fourier and wavelet-based analysis and dynamic …

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WebThe interaction between the bubble and the structure surface is affected by factors, such as the burst distance, density of the liquid around the bubble, and shape of the structure boundary. It is a complex three-phase problem that imparts compressibility effects, such as bubble deformation, shock wave propagation, and bubble phase transition. Web13 de abr. de 2024 · The jet impact from a collapsing bubble is an important mechanism of structural damage in underwater explosions and cavitation erosion. The Boundary Integral Method (BIM) is widely used to simulate nonspherical bubble dynamic behaviors due to its high accuracy and efficiency. However, conventional BIM cannot simulate toroidal …

Web关键词: 激波/边界层干扰, 高超声速, 分离泡, 三维横流效应, 直接数值模拟 Abstract: A direct numerical simulation of a hypersonic 7°-34° cone-flare model at an angle of attack is carried out.By compar-ing flow characteristics on 0°, 90° and 180° sections, the effect of crossflow on shock wave and boundary layer inter-action is evaluated in terms of the ... Web26 de abr. de 2006 · We present a detailed numerical study of the interaction of a weak shock wave with an isolated cylindrical gas inhomogeneity. Such interactions have been …

Web6 de jun. de 2024 · Also, the shock–bubble interactions near a glass wall are investigated to evaluate the material damage in the liquid–mercury target systems. 512 H. Takahira et al. / Fluid Dynamics Research 40 (2008) 510–520 Web10 de abr. de 2024 · In one dimensional incoherent pumped exciton-polariton condensates, we realize the generation and control of supersonic shock waves. By choosing a suitable initial input waves, we obtain the ...

Web10 de abr. de 2024 · In one dimensional incoherent pumped exciton-polariton condensates, we realize the generation and control of supersonic shock waves. By choosing a …

Web11 de fev. de 2024 · Two-dimensional and three-dimensional computational fluid dynamics studies of a spherical bubble impacted by a supersonic shock wave (Mach 1.25) have … can people with thalassemia donate bloodWeb[15] could present an updated description for the dynamics of a shock-bubble interaction. Both Picone and Boris [17] and Yang et al. [18] have performed computations aimed at flame out on water heaterWeb15 de fev. de 1999 · Bubble dynamics, shock waves and sonoluminescence. Claus–Dieter Ohl. Claus–Dieter Ohl. Drittes Physikalisches InsitutGermany, ... Liu T, Hung K and Khoo … flame out synonymWeb14 de out. de 2012 · 3D shock-bubble interactions at Mach 3. Babak Hejazialhosseini, Diego Rossinelli, Petros Koumoutsakos. We present a simulation for the interactions of shockwaves with light spherical density inhomogeneities. Euler equations for two-phase compressible flows are solved in a 3D uniform resolution finite volume based solver … flameout tapeWeb6 de jan. de 2012 · The goal is to identify regions in which the shock-cavity interaction results in pressures that are substantially higher than the post-shock pressure that existed prior to the beginning of the interaction. ... On the dynamics of a shock–bubble interaction. J. Fluid Mech. 318, 129–163 (1996) Article MATH Google Scholar ... flameout vs whirlpool hopsWeb28 de out. de 1999 · The Gilmore formulation for bubble dynamics coupled with zeroth-order gas diffusion were used to investigate theoretically the cavitation activity produced … flameout star warsWebOur study concentrates on the early phases of the interaction process which are dominated by repeated refractions and re ections of acoustic fronts at the bubble interface. … flameout wire