Littérature scientifique sur le sujet « Diffusion-Inertia Model »
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Articles de revues sur le sujet "Diffusion-Inertia Model"
Zaichik, L. I., N. I. Drobyshevsky, A. S. Filippov, R. V. Mukin et 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 (janvier 2010) : 154–62. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2009.09.044.
Texte intégralDemenkov, A. G., B. B. Ilyushin, D. Ph Sikovsky, V. F. Strizhov et L. I. Zaichik. « Development of the diffusion-inertia model of particle deposition in turbulent flows ». Journal of Engineering Thermophysics 18, no 1 (mars 2009) : 39–48. http://dx.doi.org/10.1134/s1810232809010056.
Texte intégralMaloth, Raj Kumar Nayak, Roger E. Khayat et Christopher T. DeGroot. « Bubble Growth in Supersaturated Liquids ». Fluids 7, no 12 (25 novembre 2022) : 365. http://dx.doi.org/10.3390/fluids7120365.
Texte intégralARABSHAHI, H., REZAEE ROKN-ABADI et S. GOLAFROZ. « COMPARISON OF TWO-VALLEY HYDRODYNAMIC MODEL IN BULK SiC AND ZnO MATERIALS ». Modern Physics Letters B 23, no 23 (10 septembre 2009) : 2807–18. http://dx.doi.org/10.1142/s0217984909020916.
Texte intégralMeng, Meng, Stefan Z. Miska, Mengjiao Yu et Evren M. Ozbayoglu. « Fully Coupled Modeling of Dynamic Loading of the Wellbore ». SPE Journal 25, no 03 (14 novembre 2019) : 1462–88. http://dx.doi.org/10.2118/198914-pa.
Texte intégralKuznetsov, Yu I., et A. G. Rzhanov. « A model of injection laser with allowance for the inertia of currier diffusion processes ». Physics of Wave Phenomena 21, no 4 (octobre 2013) : 283–86. http://dx.doi.org/10.3103/s1541308x13040080.
Texte intégralDrobyshevsky, N. I., L. I. Zaichik, R. V. Mukin, V. F. Strizhov et A. S. Filippov. « Development and application of a diffusion-inertia model for simulating gas-dispersed turbulent flows ». Thermophysics and Aeromechanics 16, no 4 (décembre 2009) : 521–38. http://dx.doi.org/10.1134/s0869864309040039.
Texte intégralRUYER-QUIL, C., P. TREVELEYAN, F. GIORGIUTTI-DAUPHINÉ, C. DUPRAT et S. KALLIADASIS. « Modelling film flows down a fibre ». Journal of Fluid Mechanics 603 (30 avril 2008) : 431–62. http://dx.doi.org/10.1017/s0022112008001225.
Texte intégralYOUNG, JOHN, et ANGUS LEEMING. « A theory of particle deposition in turbulent pipe flow ». Journal of Fluid Mechanics 340 (10 juin 1997) : 129–59. http://dx.doi.org/10.1017/s0022112097005284.
Texte intégralZaichik, L. I., A. P. Skibin et S. L. Solov'ev. « Simulation of the Distribution of Bubbles in a Turbulent Liquid Using a Diffusion-Inertia Model ». High Temperature 42, no 1 (janvier 2004) : 111–18. http://dx.doi.org/10.1023/b:hite.0000020098.97475.9c.
Texte intégralThèses sur le sujet "Diffusion-Inertia Model"
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.
Texte intégralAir pollution, especially that caused by fine and ultrafine particles, has significant deleterious effects on human health. Several studies have established a direct link between exposure to particulate pollution and various respiratory and cardiovascular diseases. Within vehicles, the threat is even more concerning due to the significant concentrations of particulate pollutants recorded. Therefore, improving air quality inside vehicle cabins is now a major priority for automotive manufacturers. In this context, this study aims to understand the interior environment of vehicles by characterizing the spatial distribution of pollutants, particularly fine and ultrafine particles, as a function of their size and parameters such as flow topology and turbulence level. This knowledge will be crucial for targeting localized air purification solutions, optimizing the placement of the micro-sensors that will equip future vehicles, and providing solutions for the more effective management of filtration systems as a function of the distribution and concentrations of these particles in the car cabin. First, special attention was devoted to modeling the single-phase flow. Two numerical modeling approaches have been adopted: the RANS (Reynolds Averaged Navier-Stokes) approach, based on solving the mean flow fields of the Navier-Stokes equations, and the LES (Large Eddy Simulation) approach, which involves solving the large structures containing the major part of the kinetic energy and modeling the contributions of the smaller scales. In the case of the RANS approach, various closure models, of first- and second-order, have been tested and compared. Furthermore, the turbulence structure of the flow inside the car cabin has been analyzed using Lumley's Anisotropy Invariant Mapping method (AIM). Finally, to validate the results of the numerical models, a velocity field measurement campaign, based on hot-wire anemometry technique, was conducted inside the cabin of an SUV-type car. Next, the dynamics of particulate pollutants in the car cabin was studied using the Diffusion-Inertia Model (DIM). This Eulerian model of inertial particle diffusion takes into account various transport mechanisms, including transport by the mean field, the effect of volume forces (i.e., gravity), particle deviation from fluid streamline (centrifugal effects), Brownian and turbulent diffusion, and turbophoresis or transport by turbulent kinetic energy gradients. The model was first validated on standard configurations such as dispersion in small-scale ventilated enclosures, deposition in 90° circular bends, and particle transport in a round jet flow. The model was then applied to simulate particle transport inside a large-scale vehicle. The influence of particle size on internal concentration fields was first analyzed. Then, the influence of passenger presence was studied. Finally, a particle concentration measurement campaign was conducted in the cabin to assess the relevance of the two-phase model. This study has led to the development of a complete model for simulating the dispersion of particulate pollutants inside a car cabin based on ventilation conditions and particle characteristics
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.
Texte intégralPolicy instruments on passenger vehicle emissions aim at reducing negative environmental externalities from vehicles use. To regulate CO2 emissions, fuel economy standards have been put in place in Europe and in the US, among others. These standards are made more stringent over time. This thesis analyzes how automotive firms anticipate and prepare their future technology portfolio to comply with expected future standards. To do so, we develop a model of optimal technology choice that captures technology diffusion constraints.With this framework, this thesis investigates three policy questions. First, we ask how the form of anticipation can affect near- and long-term technology choices. We find that focusing solely on near-term objectives can lead to failure to comply with a long-term target. In fact, meeting the near-term target is not a necessary nor a sufficient condition to satisfy long-term compliance. Moreover, when there is partial anticipation, as in a myopic view of the future, technology choices will be stuck with low abatement technologies creating a path dependency that limits long-term abatement potential.Second, we ask how much indexing fuel economy standard to mass (as in Europe or China) changes the optimal technology. We show that, for the same emission target, there is no significant difference in the social cost of mobility for an average vehicle with and without mass index. Thus a heavier vehicle fleet has the same cost than a lighter one. However, the technology choices are different, and mass indexed fuel economy standards lead to sidestepping lightweight technologies despite being cost effective from a CO2 emissions abatement point of view.Third, we ask how technology choices change when policies with multiple objectives overlap. We focus on two externalities associated with mobility: CO2 emissions and local air pollution. We show three type of effects of overlapping policies. First, a technology specific policy such as the Zero Emission Vehicle Mandate in combination with a fuel economy standard induces carmakers to develop more expensive green technologies and prevents cheap, dirty technologies from disappearing compared to the case of a fuel economy standard alone. Second, the combination of policies can lead to very high costs when technologies adapted to each policy are very different. Third, we find an ambiguous effect of overlapping policies relative to single-objective policy in terms of emissions performance
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.
Texte intégralChapitres de livres sur le sujet "Diffusion-Inertia Model"
Aldridge, J. N. « Effect of Particle Inertia on the Diffusion of Small Particles in Turbulent Wall Boundary Layers ». Dans Wind-over-Wave Couplings, 327–42. Oxford University PressOxford, 1999. http://dx.doi.org/10.1093/oso/9780198501923.003.0031.
Texte intégralActes de conférences sur le sujet "Diffusion-Inertia Model"
Filippov, Alexander S., Vladimir M. Alipchenkov, Nickolay I. Drobyshevsky, Roman V. Mukin, Valeri Th Strizhov et Leonid I. Zaichik. « CFD Application of the Diffusion-Inertia Model to Bubble Flows and Boiling Water Problems ». Dans 17th International Conference on Nuclear Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/icone17-75208.
Texte intégralZaichik, Leonid I., et Valery D. Goryachev. « APPLICATION OF A DIFFUSION-INERTIA MODEL FOR THREE-DIMENSIONAL NUMERICAL SIMULATION OF SOLID FUEL COMBUSTION IN FURNACE CHAMBERS ». Dans International Heat Transfer Conference 11. Connecticut : Begellhouse, 1998. http://dx.doi.org/10.1615/ihtc11.4370.
Texte intégralAlkuwaiti, Hamda, Hadi Belhaj, Mohammed Aldhuhoori, Bisweswar Ghosh et Ryan Fernandes. « Comprehensive Study on Newly Developed Diffusion-Desorption Models Based on Knudsen and Langmuir Models in Tight Gas Reservoirs ». Dans International Petroleum Technology Conference. IPTC, 2022. http://dx.doi.org/10.2523/iptc-22197-ms.
Texte intégralReeks, Michael W. « Comparison of Recent Model Equations for Particle Deposition in a Turbulent Boundary Layer With Those Based on the PDF Approach ». Dans ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/fedsm2003-45734.
Texte intégralRybalko, Michael, Eric Loth et Dennis Lankford. « LES Sub-Grid Diffusion for Lagrangian Particles ». Dans 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.
Texte intégralBadillo, Arnoldo A. « Phase-Field Simulations of Bubble Growth Under Convective Conditions ». Dans ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-65925.
Texte intégralTajiri, Shinsuke, Michihisa Tsutahara et Long Wu. « Improvement of Two-Component Model of the Finite Difference Lattice Boltzmann Method for a Gas-Liquid Flow Simulation ». Dans ASME/JSME 2007 5th Joint Fluids Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/fedsm2007-37481.
Texte intégralCaraghiaur, Diana, et Henryk Anglart. « Verification of Discontinuous Random Walk Lagrangian Particle Tracking as a Tool to Model Deposition in Annular Flow ». Dans 17th International Conference on Nuclear Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/icone17-75297.
Texte intégralBuongiorno, J. « A Non-Homogeneous Equilibrium Model for Convective Transport in Flowing Nanofluids ». Dans 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.
Texte intégralAboulhasanzadeh, Bahman, Siju Thomas, Jiacai Lu et Gretar Tryggvason. « Multiscale Issues in DNS of Multiphase Flows ». Dans ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajk2011-04004.
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