Jump to navigation Jump to search. No description defined. edit. Language Label Description Also known as; English: Boussinesq number. No description defined. Statements. instance of. criterion of similarity. 0 references. dimensionless number in fluid mechanics. 0 references. named after. …

Looking for Boussinesq number? Find out information about Boussinesq number. A dimensionless number used to study wave behavior in open channels Explanation of Boussinesq number

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The results from direct numerical simulations of turbulent Boussinesq convection are briefly presented. The flow is computed for a cylindrical cell of aspect ratio 1∕2 in order to compare with the results from recent experiments. The results span eight decades of Ra from 2×106 to 2×1014 and form the baseline data for a strictly Boussinesq fluid of constant Prandtl number (Pr=0.7).

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1/22/2014 · The behaviour of low Reynolds number, non-Boussinesq fountains from four different nozzle geometries (one circular and three rectangular nozzles) are studied. High speed laser schlieren imaging is used to study the fountain behaviour (frequency and penetration height). Bi-orthogonal decomposition and dynamic mode decomposition (DMD) are used to understand the unsteady characteristics of …

The impulsive linear spin-down of a stably stratified Boussinesq fluid in a circular cylinder is analyzed under the assumption that the Prandtl number P = ν/κ is small (ν is the kinematic viscosity, κ the thermal diffusivity). The nature of the spin-down process depends on …

Boussinesq linked this fact to indeterminism and to a possible solution to the free will versus determinism debate. Boussinesq's main interest was to reconcile his philosophical and religious views with science by showing that matter and motion do not suffice to explain all there is in the world.

We investigate a three‐dimensional, spherical‐shell model of mantle convection with strongly temperature‐dependent viscosity. Numerical calculations of convection in an infinite Prandtl number, Boussinesq fluid heated from below at a Rayleigh number of Ra = 10 5 are carried out for the isoviscous case and for a viscosity contrast across the shell of 1,000.

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Boussinesq Approximation (water Waves) - ExtensionsThere are an overwhelming number of mathematical models which are referred to as Boussinesq equations ... often they are loosely referenced to as the Boussinesq equations, while in fact a variant thereof is considered ... So it is more appropriate to call them Boussinesq-type equations ...

1/29/2018 · The following from my blog gives a thorough and concise heuristic description of what is arguably the single most important hypothesis underpinning most turbulence models for engineering along with its caveats. Motivation Turbulence modelling is considered by many as witchcraft, by others as the art of producing physics out of chaos, “the last unsolved problem” of…

Il numero di Boussinesq è un gruppo adimensionale usato nell'ambito della fluidodinamica per studiare il flusso in corrispondenza dell'interfaccia tra una fase liquida e una fase gassosa.. Prende il nome dal matematico francese Joseph Boussinesq (1842 – 1929).

Recently, efforts were made by a number of investigators to derive alternative forms of Boussinesq equations that can be applied in deeper water regions. In order to make the Boussinesq equations applicable in deeper water, many researchers have suggested the …

Non-Boussinesq effects modify the spiral defect chaos observed for larger Rayleigh numbers. For convection in SF$_6$ we find that non-Boussinesq effects strongly increase the number of small, compact convection cells and with it enhance the cellular character of the patterns.

In fluid dynamics, the Basset–Boussinesq–Oseen equation (BBO equation) describes the motion of – and forces on – a small particle in unsteady flow at low Reynolds numbers.The equation is named after Joseph Valentin Boussinesq, Alfred Barnard Basset and Carl Wilhelm Oseen.

In this paper, finite element modeling of one-dimensional extended Boussinesq equations derived by Madsen and Sorensen is presented for simulation of propagating regular waves. In order to spatially discretize the finite element equations, method of weighted residual Galerkin approach is used. Discretization of third-order derivative in momentum equation is performed by introducing of an ...

Abstract: In this study we refer to a non-steady state, one-dimensional (on the x-axis), unconfined and saturated flow in an aquifer, described by the Boussinesq equation, combined with accretion.In accordance with the above, the moving boundary of the saturated area (toward x → +∝) serves as a horizontal water flux source to the unsaturated area.

On the Asymptotic Regimes and Strongly Stratified Limit of Rotating Boussinesq Equations A. Babin 1, A. MahMov 1, B. Nicolaenko I and Y. Zhou 2. 1 Department of Mathematics, Arizona State University, Tempe, AZ 85287 2 Institute for Computer Applications in Science and Engineering NASA Langley Research Center, Hampton, VA 23681 Abstract

匹配条件： “Michel Boussinesq ” ，找到相关结果约8184条。 列表显示的所有文章，均可免费获取 ... Limoges,” reference lists of relevant articles, commercial search engines, up to May 2012. Methods We searched for studies examining infection status with Onchocerca volvulus in …

12/8/2013 · This paper, which is largely the fruit of an invited talk on the topic at the latest International Conference on Coastal Engineering, describes the state of the art of modelling by means of Boussinesq-type models (BTMs). Motivations for using BTMs as well as their fundamentals are illustrated, with ...

为了分析底板在矩形煤柱作用下的下沉情况，可以借用布辛涅斯克（Boussinesq）公式[4]，在图3坐标系下，可以求出矩形对称轴上距矩形中心x的任一点下沉Si，即：. 基于40个网页-相关网页