Relevant bibliographies by topics / Diffusion-Inertia Model

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Academic literature on the topic 'Diffusion-Inertia Model'

Author: Grafiati
Published: 4 May 2024
Last updated: 31 July 2025

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Journal articles on the topic "Diffusion-Inertia Model"

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Zaichik, L. I., N. I. Drobyshevsky, A. S. Filippov, R. V. Mukin, and V. F. Strizhov. "A diffusion-inertia model for predicting dispersion and deposition of low-inertia particles in turbulent flows." International Journal of Heat and Mass Transfer 53, no. 1-3 (2010): 154–62. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2009.09.044.

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Demenkov, A. G., B. B. Ilyushin, D. Ph Sikovsky, V. F. Strizhov, and L. I. Zaichik. "Development of the diffusion-inertia model of particle deposition in turbulent flows." Journal of Engineering Thermophysics 18, no. 1 (2009): 39–48. http://dx.doi.org/10.1134/s1810232809010056.

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Maloth, Raj Kumar Nayak, Roger E. Khayat, and Christopher T. DeGroot. "Bubble Growth in Supersaturated Liquids." Fluids 7, no. 12 (2022): 365. http://dx.doi.org/10.3390/fluids7120365.

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Bubble formation and dissolution have a wide range of industrial applications, from the production of beverages to foam manufacturing processes. The rate at which the bubble expands or contracts has a significant effect on these processes. In the current work, the hydrodynamics of an isolated bubble expanding due to mass transfer in a pool of supersaturated gas–liquid solution is investigated. The complete scalar transportation equation (advection–diffusion) is solved numerically. It is observed that the present model accurately predicted bubble growth when compared with existing approximated
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ARABSHAHI, H., REZAEE ROKN-ABADI, and S. GOLAFROZ. "COMPARISON OF TWO-VALLEY HYDRODYNAMIC MODEL IN BULK SiC AND ZnO MATERIALS." Modern Physics Letters B 23, no. 23 (2009): 2807–18. http://dx.doi.org/10.1142/s0217984909020916.

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This report reviews the feasibility of two-dimensional hydrodynamic models in bulk SiC and ZnO semiconductor materials. Although the single-gas hydrodynamic model is superior to the drift-diffusion or energy balance model, it is desirable to direct the efforts of future research in the direction of multi-valley hydrodynamic models. The hydrodynamic model is able to describe inertia effects which play an increasing role in different fields of micro and optoelectronics where simplified charge transport models like the drift-diffusion model and the energy balance model are no longer applicable. R
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Hu, Feng-Rung, and Jia-Sheng Hu. "On V-Geometric Ergodicity Markov Chains of the Two-Inertia Systems." Mathematics 12, no. 10 (2024): 1492. http://dx.doi.org/10.3390/math12101492.

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This study employs the diffusion process to construct Markov chains for analyzing the common two-inertia systems used in industry. Two-inertia systems are prevalent in commonly used equipment, where the load is influenced by the coupling of external force and the drive shaft, leading to variations in the associated output states. Traditionally, the control of such systems is often guided by empirical rules. This paper examines the equilibrium distribution and convergence rate of the two-inertia system and develops a predictive model for its long-term operation. We explore the qualitative behav
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Meng, Meng, Stefan Z. Miska, Mengjiao Yu, and Evren M. Ozbayoglu. "Fully Coupled Modeling of Dynamic Loading of the Wellbore." SPE Journal 25, no. 03 (2019): 1462–88. http://dx.doi.org/10.2118/198914-pa.

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Summary Loadings acting on a wellbore are more realistically regarded as dynamic rather than static, and the wellbore response under dynamic loading can be different from that under static loading. Under dynamic loading, the inertia term should be considered and the changing rate of loading could induce a change in the mechanical properties of the wellbore, which might compromise wellbore stability and integrity. In this paper, a fully coupled poroelastodynamic model is proposed to study wellbore behavior. This model not only considers fully coupled deformation/diffusion effects, but also incl
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RUYER-QUIL, C., P. TREVELEYAN, F. GIORGIUTTI-DAUPHINÉ, C. DUPRAT, and S. KALLIADASIS. "Modelling film flows down a fibre." Journal of Fluid Mechanics 603 (April 30, 2008): 431–62. http://dx.doi.org/10.1017/s0022112008001225.

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Consider the gravity-driven flow of a thin liquid film down a vertical fibre. A model of two coupled evolution equations for the local film thickness h and the local flow rate q is formulated within the framework of the long-wave and boundary-layer approximations. The model accounts for inertia and streamwise viscous diffusion. Evolution equations obtained by previous authors are recovered in the appropriate limit. Comparisons to experimental results show good agreement in both linear and nonlinear regimes. Viscous diffusion effects are found to have a stabilizing dispersive effect on the line
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Kuznetsov, Yu I., and A. G. Rzhanov. "A model of injection laser with allowance for the inertia of currier diffusion processes." Physics of Wave Phenomena 21, no. 4 (2013): 283–86. http://dx.doi.org/10.3103/s1541308x13040080.

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Drobyshevsky, N. I., L. I. Zaichik, R. V. Mukin, V. F. Strizhov, and A. S. Filippov. "Development and application of a diffusion-inertia model for simulating gas-dispersed turbulent flows." Thermophysics and Aeromechanics 16, no. 4 (2009): 521–38. http://dx.doi.org/10.1134/s0869864309040039.

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YOUNG, JOHN, and ANGUS LEEMING. "A theory of particle deposition in turbulent pipe flow." Journal of Fluid Mechanics 340 (June 10, 1997): 129–59. http://dx.doi.org/10.1017/s0022112097005284.

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The paper describes a theory of particle deposition based formally on the conservation equations of particle mass and momentum. These equations are formulated in an Eulerian coordinate system and are then Reynolds averaged, a procedure which generates a number of turbulence correlations, two of which are of prime importance. One represents ‘turbulent diffusion’ and the other ‘turbophoresis’, a convective drift of particles down gradients of mean-square fluctuating velocity. Turbophoresis is not a small correction; it dominates the particle dynamic behaviour in the diffusion-impaction and inert
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Dissertations / Theses on the topic "Diffusion-Inertia Model"

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Djeddou, Mokhtar. "Étude de la dynamique des polluants particulaires dans un habitacle automobile." Electronic Thesis or Diss., Université de Lorraine, 2023. http://www.theses.fr/2023LORR0231.

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La pollution de l'air, en particulier celle due aux particules fines et ultrafines, a des effets délétères considérables sur la santé humaine. Plusieurs études ont établi un lien direct entre l'exposition à la pollution particulaire et diverses maladies respiratoires et cardiovasculaires. À l'intérieur des véhicules, la menace est d'autant plus préoccupante en raison de concentrations importantes de polluants particulaires recensées. Par conséquent, l'amélioration de la qualité de l'air dans l'habitacle des véhicules est désormais une priorité majeure pour les constructeurs automobiles. Dans c
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Vera, Molina Juan. "Technology Choices under Emissions Policy and Technology Diffusion constraints : the case of Passenger Vehicles." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLA021/document.

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Les instruments politiques sur les émissions de véhicules passagers visent à réduire les externalités négatives sur l'environnement causées par l'usage des véhicules. Des réglementations sur les émissions de CO2 ont été mises en place en Europe, aux États-Unis, en Chine et ailleurs. La cible réglementaire basée sur la moyenne des émissions des véhicules vendus par un constructeur devient plus contraignante au fil du temps. Cette thèse analyse comment les constructeurs automobiles anticipent et préparent leurs futurs portefeuilles de technologies afin de respecter les futurs objectifs politique
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Lucas, D. Pulane. "Disruptive Transformations in Health Care: Technological Innovation and the Acute Care General Hospital." VCU Scholars Compass, 2013. http://scholarscompass.vcu.edu/etd/2996.

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Advances in medical technology have altered the need for certain types of surgery to be performed in traditional inpatient hospital settings. Less invasive surgical procedures allow a growing number of medical treatments to take place on an outpatient basis. Hospitals face growing competition from ambulatory surgery centers (ASCs). The competitive threats posed by ASCs are important, given that inpatient surgery has been the cornerstone of hospital services for over a century. Additional research is needed to understand how surgical volume shifts between and within acute care general hospitals
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Book chapters on the topic "Diffusion-Inertia Model"

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Aldridge, J. N. "Effect of Particle Inertia on the Diffusion of Small Particles in Turbulent Wall Boundary Layers." In Wind-over-Wave Couplings. Oxford University PressOxford, 1999. http://dx.doi.org/10.1093/oso/9780198501923.003.0031.

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Abstract The effect of particle inertia on small particles diffusing in a turbulent wall bounded flow is calculated. The equation for a single particle is simplified assuming the particle response time is small compared to the time scale associated with turbulent fluctuations. Continuum equations are obtained from the single particle equation by consideration of mass and momentum conservation in a control volume by the use of volume averaging. Turbulent averaging is then carried out and the resulting correlations are modelled using results borrowed from second moment turbulence clo sure theory
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Cordova, Miguel, and Hellen López-Valladares. "Challenges and Opportunities for Sharing the Ownership in Peru." In Advances in Logistics, Operations, and Management Science. IGI Global, 2025. https://doi.org/10.4018/979-8-3693-7031-5.ch012.

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The world has been living its processes so fast that when it looks back over its shoulder, it realizes that there are many changes needed to fix the flaws and tensions created due to speeding, to include everyone in the promise of progressive growth and prosperity within the current economic system. This issue is more evident in emerging markets, where institutional weaknesses, informal economies, and insufficient resources are considerable. Hence, our chapter explores how feasible the implementation of mechanisms of shared capitalism, specifically Employee Ownership initiatives, could be achi
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Conference papers on the topic "Diffusion-Inertia Model"

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Filippov, Alexander S., Vladimir M. Alipchenkov, Nickolay I. Drobyshevsky, Roman V. Mukin, Valeri Th Strizhov, and Leonid I. Zaichik. "CFD Application of the Diffusion-Inertia Model to Bubble Flows and Boiling Water Problems." In 17th International Conference on Nuclear Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/icone17-75208.

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The paper is aimed at the application of a model for simulating the dispersed turbulent flows. The model presented proceeds from a kinetic equation for the probability density function of the particle velocity distribution in turbulent flow. This approach is called the diffusion-inertia model (DIM). Applications of the model to droplet and bubble flows are presented. In the case of vaporized liquid, the interphase heat and mass transfer is introduced by adding the corresponding governing equations. This extended version of the DIM was applied to simulating the boiling water flow in a heated pi
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Zaichik, Leonid I., and Valery D. Goryachev. "APPLICATION OF A DIFFUSION-INERTIA MODEL FOR THREE-DIMENSIONAL NUMERICAL SIMULATION OF SOLID FUEL COMBUSTION IN FURNACE CHAMBERS." In International Heat Transfer Conference 11. Begellhouse, 1998. http://dx.doi.org/10.1615/ihtc11.4370.

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Alkuwaiti, Hamda, Hadi Belhaj, Mohammed Aldhuhoori, Bisweswar Ghosh, and Ryan Fernandes. "Comprehensive Study on Newly Developed Diffusion-Desorption Models Based on Knudsen and Langmuir Models in Tight Gas Reservoirs." In International Petroleum Technology Conference. IPTC, 2022. http://dx.doi.org/10.2523/iptc-22197-ms.

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Abstract Fluid flow in unconventional porous media is extremely complex due to the many physical processes and forces that governs fluid flow, such as diffusion, inertia, viscous flow, and sorption. Furthermore, modeling fluid flow in poor porous media often disregards the mentioned forces, assuming viscous transport is the predominant controller. This work introduces a new comprehensive flow model suitable for tight unconventional reservoirs, including viscous, inertia, diffusion, and sorption forces, to account for fluid transport in the three scales. The new model addresses 1-D linear flow
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Reeks, Michael W. "Comparison of Recent Model Equations for Particle Deposition in a Turbulent Boundary Layer With Those Based on the PDF Approach." In ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/fedsm2003-45734.

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Comparisons are made between the Advection-Diffusion Equation (ADE) approach for particle transport and the two fluid model approach based on the PDF method. In principal the ADE approach offers a simpler way of calculating the inertial deposition of particles in a turbulent boundary layer than that based on the PDF approach. However the ADE equations that have recently been used are only strictly valid for a simple Gaussian process when particle inertia is small. Using a prescribed but in general non-Gaussian random particle velocity field, it is shown that the net particle mass flux contains
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Rybalko, Michael, Eric Loth, and Dennis Lankford. "LES Sub-Grid Diffusion for Lagrangian Particles." In ASME 2008 Fluids Engineering Division Summer Meeting collocated with the Heat Transfer, Energy Sustainability, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/fedsm2008-55207.

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A continuous random walk (CRW) turbulent diffusion model was developed for Lagrangian particles within flow fields simulated by hybrid RANS/LES methodologies. For RANS flow-fields, the conventional time-scale and length-scale constants were determined by the turbulence intensity and dissipation values computed by the single-phase solver with a k-ω (Menter SST) model and subsequent comparison with turbulent particle diffusion experimental results of Snyder & Lumley (1971). This allowed validation against data for four particle types ranging from hollow glass to copper shot in grid-generated
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Badillo, Arnoldo A. "Phase-Field Simulations of Bubble Growth Under Convective Conditions." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-65925.

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Although many years have past from the pioneer work of Lord Rayleigh [1] on bubble growth in the inertia controlled regime and later from Scriven [2], Plesset and Zwick [3] for the diffusion controlled regime, we are still missing mathematical model able to predict accurately both situations. Advances in computational power open the possibility of exploring up-close the transport phenomena in the vicinity of the liquid-vapor interface at an unprecedented resolution. Nonetheless, a high numerical resolution is not enough to fully solve the general problem of bubble growth. New models based on a
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Tajiri, Shinsuke, Michihisa Tsutahara, and Long Wu. "Improvement of Two-Component Model of the Finite Difference Lattice Boltzmann Method for a Gas-Liquid Flow Simulation." In ASME/JSME 2007 5th Joint Fluids Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/fedsm2007-37481.

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An Improved model of the finite difference lattice Boltzmann method which allows us to consider gas-liquid two component flows with a large density ratio like air-water flows was proposed. Simulations of the two component fluids which have a free interface and a large density ratio were demonstrated. The model which has compressibility of fluid and allows us to consider the pressure waves propagating in water like water hammers was presented. The basic idea is to decrease a density fluctuation by giving a large pressure gradient. The compressibility of liquid was controlled by choosing the bul
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Caraghiaur, Diana, and Henryk Anglart. "Verification of Discontinuous Random Walk Lagrangian Particle Tracking as a Tool to Model Deposition in Annular Flow." In 17th International Conference on Nuclear Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/icone17-75297.

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A verification of the applicability of the discontinuous random walk (DWR) Lagrangian Particle Tracking (LPT) model to calculate deposition in annular two-phase flow has been conducted. The comparison of simulation results to experimental data of deposition of mono-sized droplets shows that the model follows the correct trend in inertia-moderated regime, but is un-reliable in diffusion-impaction deposition regime. The comparison to other experimental studies of annular flow of different density ratios between the two phases reveals that the density ratio is incorrectly incorporated into the mo
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Buongiorno, J. "A Non-Homogeneous Equilibrium Model for Convective Transport in Flowing Nanofluids." In ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. ASMEDC, 2005. http://dx.doi.org/10.1115/ht2005-72072.

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A base fluid (e.g., water, ethanol, oil) in which nano-sized (1–100 nm) particles of a different material are dispersed, is known as a nanofluid. Nanofluids are attractive because the presence of the nanoparticles enhances energy transport considerably. As a result, nanofluids have higher thermal conductivity and single-phase heat transfer coefficients than their base fluids. In particular, the heat transfer coefficient increases appear to go beyond the mere thermal-conductivity effect, and cannot be predicted by traditional pure-fluid correlations such as Dittus-Boelter’s. In the nanofluid li
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Aboulhasanzadeh, Bahman, Siju Thomas, Jiacai Lu, and Gretar Tryggvason. "Multiscale Issues in DNS of Multiphase Flows." In ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajk2011-04004.

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In direct numerical simulations (DNS) of multiphase flows it is frequently found that features much smaller than the “dominant” flow scales emerge. Those features consist of thin films, filaments, drops, and boundary layers, and usually surface tension is strong so the geometry is simple. Inertia effects are also small so the flow is simple and often there is a clear separation of scales between those features and the rest of the flow. Thus it is often possible to describe the evolution of this flow by analytical models. Here we discuss two examples of the use of analytical models to account f
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