The Knudsen layer
The usefulness of higher-order constitutive relations for describing the Knudsen layer
... The Knudsen layer is an important rarefaction phenomenon in gas flows in and around ...the Knudsen layer, and compare their predictions to high-accuracy DSMC 共direct simulation Monte Carlo兲 ...
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Capturing the Knudsen layer in continuum-fluid models of non-equilibrium gas flows
... Engineering Sciences Center, Sandia National Laboratories, PO Box 5800, Albuquerque, NM 87185-0827, USA Introduction In hypersonic aerodynamics and microflow device design, the momentum and energy fluxes to solid ...
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Capturing Knudsen layer phenomena using lattice Boltzmann model
... I. INTRODUCTION Microsystems have developed rapidly since the concepts of ‘lab-on-a-chip’ and ‘micro- Total-Analysis-Systems’ were first introduced in the early 1990s. The benefits of miniatur- ization include increased ...
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Modeling of Knudsen layer effects in micro/nanoscale gas flows
... 4 Conclusions We have developed new power-law probability distribu- tion function for the free-paths of gas molecules in order to better describe non-equilibrium particularly flow physics, in the Knudsen ...
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Lattice Boltzmann modelling Knudsen layer effect in non-equilibrium flows
... the Knudsen number increases, the Knudsen layers start to interfere with each other so that the overlap effect of the Knudsen layers become significant for highly non-equilibrium ...the ...
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Computing the near-wall region in gas micro- and nanofluidics : critical Knudsen layer phenomena
... Further, we identify a simple means to predict the impact of the accommodation coef- ficient, α, on the form of the momentum Knudsen layer and, consequently, on our scaling. Our scaling model is designed to ...
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Computing the near-wall region in gas micro- and nanofluidics : critical Knudsen layer phenomena
... Further, we identify a simple means to predict the impact of the accommodation coef- ficient, α, on the form of the momentum Knudsen layer and, consequently, on our scaling. Our scaling model is designed to ...
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A wall-function approach to incorporating Knudsen-layer effects in gas micro flow simulations
... the Knudsen layer close to the wall can comprise a substantial part of the entire flowfield and has a major effect on quantities such as the mass flow rate through micro ...The Knudsen layer ...
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Modeling of Knudsen Layer Effects in the Micro-Scale Backward-Facing Step in the Slip Flow Regime
... The conventional Navier-Stokes constitutive relations and the first-order non-equilibrium boundary conditions are modified based on the effective mean free path, which depends on the distance from the solid surface. The ...
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Accurate and efficient computation of the Boltzmann equation for Couette flow : influence of intermolecular potentials on Knudsen layer function and viscous slip coefficient
... of Knudsen layer remains ...the Knudsen layer function for gases interacting through the inverse power-law, shielded Coulomb, and Lennard-Jones potentials, subject to diffuse-specular and ...
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Conditions aux limites dans un gaz raréfié: loi de réflexion à la paroi, saut de température, vitesse de glissement, couche de Knudsen Boundary conditions in rarefied gas flows: scattering kernal, temperature jump, slip velocity, Knudsen layer problem
... boundary layer or Knudsen ...this Knudsen layer from what it is in the area far from the wall, and therefore has to be described ...local Knudsen number, which is in the order of 1 in ...
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Numerical approximation of Knudsen layer for the Euler-Poisson system
... Raviart, Numerial approximation of hyperboli systems of onservation laws, volume 118 of. Applied Mathematial Sienes[r] ...
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CHRISTIAN KNUDSEN curriculum vitae
... Avec ou sans couleur: Jeunes peintres abstraits Quebecois, le groupe Lavalin, Montreal 1978, Texte de L. Rosshandler. For Suzy Lake, Chris Knudsen and Robert Walke, VancouverArt Gallery, 1978, Textes de Luke ...
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Monograph. Violence and Belonging. ARE KNUDSEN with a foreword by Fredrik Barth
... Taxation and State Building in Developing Countries Deborah Brautigam, Odd-Helge Fjeldstad and Mick Moore (Eds.) (2008) Cambridge: Cambridge University Press.. D eveloping countries f[r] ...
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BUILDING THE MODERN WORLD: MORRISON-KNUDSEN CONSTRUCTION COMPANY
... The last few years of M-K operations were so difficult for most employees, few wanted to remember them. Since most pensions shifted to a stock-dependent system, thousands of employees lost a substantial portion of their ...
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Activity Measurement of Titanium Tin Alloys by Knudsen Effusion Method
... The Knudsen effusion cell is made of molybdenum, in which an alumina crucible of 11 mm inner diameter, 13 mm outer diameter, 16 mm height was put for the sample ...
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Drotner, Kirsten; Knudsen, Line Vestergaard; Mortensen, Christian Hviid
... Some also see museum guides as ‘attention grabbers’: ‘it is absolutely critical for whether I learn something by visiting a museum or not: how the museum guide grabs my attention.’ Oth[r] ...
Polv H. Rus-Knudsen - Εθνικοσοσιαλισμός: Η Βιολογική Κοσμοθεωρία
... oτι αυτοg πoυ κλεivει τα ματια προ τωv φuλετικιilv διαφoριbv θα πρooπαθεi οuvε1δg να διαδiδει και επιβαλλει τηv ιδικηv τoυ περi τoυ oρθoυ θεωρiαν επi αλλωv λαιilv - χω[r] ...
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Vapor Pressure Measurements for Metal Chloride Systems by the Knudsen Effusion Method
... the Knudsen Effusion Method Yanling Zhang, Etsuro Shibata, Eiki Kasai and Takashi Nakamura Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, Sendai 980-8577, Japan ...
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Effect of the Knudsen Number on Transient Times During Chemical Vapor Deposition
... the Knudsen number Kn, defined as the ratio of the mean free path to the length scale of interest Kn := ...The Knudsen num- ber arises as the relevant dimensionless group in ki- netic equations [1], and ...
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