Relevant bibliographies by topics / Microscale atmospheric dispersion

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Microscale atmospheric dispersion'

Author: Grafiati
Published: 7 July 2024
Last updated: 31 July 2025

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Journal articles on the topic "Microscale atmospheric dispersion"

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Folch, Arnau, Jordi Barcons, Tomofumi Kozono, and Antonio Costa. "High-resolution modelling of atmospheric dispersion of dense gas using TWODEE-2.1: application to the 1986 Lake Nyos limnic eruption." Natural Hazards and Earth System Sciences 17, no. 6 (2017): 861–79. http://dx.doi.org/10.5194/nhess-17-861-2017.

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Abstract. Atmospheric dispersal of a gas denser than air can threat the environment and surrounding communities if the terrain and meteorological conditions favour its accumulation in topographic depressions, thereby reaching toxic concentration levels. Numerical modelling of atmospheric gas dispersion constitutes a useful tool for gas hazard assessment studies, essential for planning risk mitigation actions. In complex terrains, microscale winds and local orographic features can have a strong influence on the gas cloud behaviour, potentially leading to inaccurate results if not captured by co
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Lin, Dongqi, Basit Khan, Marwan Katurji, Leroy Bird, Ricardo Faria, and Laura E. Revell. "WRF4PALM v1.0: a mesoscale dynamical driver for the microscale PALM model system 6.0." Geoscientific Model Development 14, no. 5 (2021): 2503–24. http://dx.doi.org/10.5194/gmd-14-2503-2021.

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Abstract. A set of Python-based tools, WRF4PALM, has been developed for offline nesting of the PALM model system 6.0 into the Weather Research and Forecasting (WRF) modelling system. Time-dependent boundary conditions of the atmosphere are critical for accurate representation of microscale meteorological dynamics in high-resolution real-data simulations. WRF4PALM generates initial and boundary conditions from WRF outputs to provide time-varying meteorological forcing for PALM. The WRF model has been used across the atmospheric science community for a broad range of multidisciplinary applicatio
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Liang, Qian, Yucong Miao, Gen Zhang, and Shuhua Liu. "Simulating Microscale Urban Airflow and Pollutant Distributions Based on Computational Fluid Dynamics Model: A Review." Toxics 11, no. 11 (2023): 927. http://dx.doi.org/10.3390/toxics11110927.

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Urban surfaces exert profound influences on local wind patterns, turbulence dynamics, and the dispersion of air pollutants, underscoring the critical need for a thorough understanding of these processes in the realms of urban planning, design, construction, and air quality management. The advent of advanced computational capabilities has propelled the computational fluid dynamics model (CFD) into becoming a mature and widely adopted tool to investigate microscale meteorological phenomena in urban settings. This review provides a comprehensive overview of the current state of CFD-based microsca
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Badeke, Ronny, Volker Matthias, and David Grawe. "Parameterizing the vertical downward dispersion of ship exhaust gas in the near field." Atmospheric Chemistry and Physics 21, no. 8 (2021): 5935–51. http://dx.doi.org/10.5194/acp-21-5935-2021.

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Abstract. Estimating the impact of ship emissions on local air quality is a topic of high relevance, especially in large harbor cities. For chemistry-transport modeling studies, the initial plume rise and dispersion play a crucial role for the distribution of pollutants into vertical model layers. This study aims at parameterizing the vertical downward dispersion in the near field of a prototype cruise ship, depending on several meteorological and technical input parameters. By using the microscale chemistry, transport and stream model (MITRAS), a parameterization scheme was developed to calcu
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Tiwari, Arvind, Prashant Kumar, Richard Baldauf, et al. "Considerations for evaluating green infrastructure impacts in microscale and macroscale air pollution dispersion models." Science of The Total Environment 672 (March 26, 2019): 410–26. https://doi.org/10.1016/j.scitotenv.2019.03.350.

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Green infrastructure (GI) in urban areas may be adopted as a passive control system to reduce air pollutant concentrations. However, current dispersion models offer limited modelling options to evaluate its impact on ambient pollutant concentrations. The scope of this review revolves around the following question: how can GI be considered in readily available dispersion models to allow evaluation of its impacts on pollutant concentrations and health risk assessment? We examined the published literature on the parameterisation of deposition velocities and datasets for both p
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Trini Castelli, S., G. Tinarelli, and T. G. Reisin. "Comparison of atmospheric modelling systems simulating the flow, turbulence and dispersion at the microscale within obstacles." Environmental Fluid Mechanics 17, no. 5 (2017): 879–901. http://dx.doi.org/10.1007/s10652-017-9520-5.

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Shcherbina, Andrey Y., Miles A. Sundermeyer, Eric Kunze, et al. "The LatMix Summer Campaign: Submesoscale Stirring in the Upper Ocean." Bulletin of the American Meteorological Society 96, no. 8 (2015): 1257–79. http://dx.doi.org/10.1175/bams-d-14-00015.1.

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Abstract Lateral stirring is a basic oceanographic phenomenon affecting the distribution of physical, chemical, and biological fields. Eddy stirring at scales on the order of 100 km (the mesoscale) is fairly well understood and explicitly represented in modern eddy-resolving numerical models of global ocean circulation. The same cannot be said for smaller-scale stirring processes. Here, the authors describe a major oceanographic field experiment aimed at observing and understanding the processes responsible for stirring at scales of 0.1–10 km. Stirring processes of varying intensity were studi
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Farkas, Orsolya, and Ákos Török. "Dust deposition, microscale flow- and dispersion model of particulate matter, examples from the city center of Budapest." Időjárás 12, no. 1 (2019): 39–55. http://dx.doi.org/10.28974/idojaras.2019.1.3.

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Weger, Michael, and Bernd Heinold. "Air pollution trapping in the Dresden Basin from gray-zone scale urban modeling." Atmospheric Chemistry and Physics 23, no. 21 (2023): 13769–90. http://dx.doi.org/10.5194/acp-23-13769-2023.

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Abstract. The microscale variability of urban air pollution is essentially driven by the interaction between meteorology and urban topography, which remains challenging to represent spatially accurately and computationally efficiently in urban dispersion models. Natural topography can additionally exert a considerable amplifying effect on urban background pollution, depending on atmospheric stability. This requires an equally important representation in models, as even subtle terrain-height variations can enforce characteristic local flow regimes. In this model study, the effects of urban and
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Varentsov, A. I., V. M. Stepanenko, E. V. Mortikov, A. V. Debolskiy, R. D. Kouznetsov, and M. Sofiev. "On the use of large-eddy simulation time data coarsening for dispersion forecasting in the SILAM atmospheric composition model." IOP Conference Series: Earth and Environmental Science 1023, no. 1 (2022): 012008. http://dx.doi.org/10.1088/1755-1315/1023/1/012008.

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Abstract The paper presents the results of one-way coupling of a large eddy simulation model and an atmospheric composition and diffusion complex SILAM. This study investigates a possibility of large eddy simulation time data coarsening (filtering) for use in SILAM for microscale calculations. Experiments with scalar tracers with a limited lifetime are carried out under conditions of convective boundary layer. A comparison between the calculations with filtered and nonfiltered data demonstrate that time data coarsening is possible without a significant loss in accuracy for tracers whose lifeti
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Dissertations / Theses on the topic "Microscale atmospheric dispersion"

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Lumet, Eliott. "Évaluation et réduction des incertitudes pour la simulation numérique de la dispersion atmosphérique à micro-échelle." Electronic Thesis or Diss., Université de Toulouse (2023-....), 2024. http://www.theses.fr/2024TLSES003.

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La qualité de l'air est fortement dégradée lors d'évènements comme les accidents industriels au cours desquels des gaz et des particules néfastes sont libérées dans l'atmosphère et transportées sous l'effet du vent. En milieu urbain, les bâtiments ont un effet de blocage sur l'écoulement ce qui peut entraîner des pics de pollution et donc des risques à court terme pour la santé et l'environnement. Localiser ces pics nécessite de recourir à des modèles résolvant les équations fondamentales de la physique des écoulements et leurs interactions avec le milieu bâti. Malgré leur complexité, ces modè
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Book chapters on the topic "Microscale atmospheric dispersion"

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Anandan, P., P. Shanmugha Sundaram, T. Saravanan, and M. Arivanandhan. "SYNTHESIS, STRUCTURAL AND OPTICAL CHARACTERIZATION OF GADOLINIUM MIXED YTTRIUM OXIDE NANO MATERIALS." In Futuristic Trends in Chemical Material Sciences & Nano Technology Volume 3 Book 23. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3becs23p2ch1.

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Gadolinium mixed Yttrium oxide (Y2O3:Gd) nano material shave been synthesized by co-precipitation technique. The synthesized materials have been annealed at 500C, 750C and 1000°C using a muffle furnace at normal atmosphere. It is observed that the crystalline nature of the nano powders was increased due to annealing process which is evidenced by the observed diffraction planes in the powder diffraction patterns.In order to identify the oxide vibrations in response to the IR frequency, the FTIR spectra have been recorded and the different modes of vibration of rare earth oxides have been obse
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Conference papers on the topic "Microscale atmospheric dispersion"

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Hansen, Douglas C., David Borth, and Farrah Cole. "Characterization of the Surface Chemistry at Corroded and Non-Corroded Sites on Aluminum Alloy 7075-T6 Samples Exposed at Coastal Locations." In CONFERENCE 2022. AMPP, 2022. https://doi.org/10.5006/c2022-17642.

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Abstract Replicate samples of bare aluminum alloy AA7075-T6 were exposed at three coastal atmospheric test sites: Kennedy Space Center (KSC) FL, US Naval Research Laboratory in Key West, FL (NRL-KW), and Daytona Beach, FL. The samples were cross sections of rod stock mounted in standard two-part epoxy metallurgical mounts and wet polished with isopropanol to 600 grit finish. The samples were installed on atmospheric exposure racks and retrieved at intervals of 3, 6, 9, and 12 months. Elemental composition of baseline (non-exposed) and exposed samples were measured using a Zeiss EVO-50XP Enviro
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Soleymani, S. A. "An Investigation of Carburization and Oxidation of Heat Resistant Cast Steels." In CORROSION 2012. NACE International, 2012. https://doi.org/10.5006/c2012-01171.

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Abstract One of the main reasons for the decline of lifetime and premature depreciation of the heat resistant cast steels, with long-term high temperature application, is simultaneous carburization and oxidation of these steels in gaseous atmosphere of CO2.Thus in order to study this effect, the CO2 gas heating-test was carried out in the laboratory and the heat resistant HH cast steel (according to the ACI standard) as well as two other heat resistant cast steels which had different chemical compositions were studied and tested. In order to examine the surface layers, the Electron Microscope
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Danilkin, E., A. Starchenko, and D. Leschinskiy. "COUPLING A MICROSCALE MODEL OF TURBULENT AERODYNAMICS AND POLUTION TRANSPORT WITH A REGIONAL WEATHER FORECAST MODEL." In The XXXI International Symposium "Atmospheric and Ocean Optics. Atmospheric Physics". V.E. Zuev Institute of Atmospheric Optics, Siberian Branch of the Russian Academy of Sciences, 2025. https://doi.org/10.56820/conferencearticle_685d0a9d891f99.40190738.

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This study implements a one-way coupling between the mesoscale TSUNM3 model (1 km resolution) and the microscale M2UE model (0.5-10 m resolution) to analyze urban canyon aerodynamics and pollutant dispersion. The results demonstrate that simplified uniform velocity profiles lead to a 3-5% overestimation of pollutant concentrations due to decreased vortex flow intensity, while preserving the fundamental ventilation mechanism of the canyon.
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Nony, Bastien X., Mélanie C. Rochoux, Thomas Jaravel, and Didier Lucor. "REDUCED-ORDER MODEL FOR MICROSCALE ATMOSPHERIC DISPERSION COMBINING MULTI-FIDELITY LES AND RANS DATA." In 5th International Conference on Uncertainty Quantification in Computational Sciences and Engineering. Institute of Structural Analysis and Antiseismic Research National Technical University of Athens, 2023. http://dx.doi.org/10.7712/120223.10337.19817.

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Liu, T., and A. Ansar. "Experimental and Numerical Study of the Effect of Gas-Shrouded Plasma Spraying on Cathode Coating of Alkaline Electrolysis Cells." In ITSC2017, edited by A. Agarwal, G. Bolelli, A. Concustell, et al. DVS Media GmbH, 2017. http://dx.doi.org/10.31399/asm.cp.itsc2017p0121.

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Abstract Dual layer electrode coating for alkaline water electrolysis was prepared by plasma spraying. For improving performance this work aims at reducing the oxide in electrode coating. Regarding the necessity of obtaining high specific area, atmospheric plasma spray was employed under protection of argon which was used as shrouding gas. Composite cathode was established on Ni-coated perforated steel sheet with crushed and gas atomized Nickel-based alloy powders. The dual-layer structure was a composite of 5 layers of NiAl at the bottom and 10 layers of NiAlMo as the top layer. Microstructur
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Haneji, T., K. Miyagi, M. Goya, T. Sueyoshi, Z. Nakao, and M. Ushio. "Evaluation of Mechanical Properties of the Composite Joints With Metal Powder and Electric Current Flow." In ASME 2001 Engineering Technology Conference on Energy. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/etce2001-17141.

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Abstract The solid-state welding method was applied under atmospheric conditions by using metal powder medium which was interposed in the space between the two solid bars of specimen (i.e., base metal), and was compressed longitudinally and simultaneously current was conducted to generate Joule thermal heat. Some fundamental data on the mechanical and metallurgical properties of the joint were obtained by using resistance welding. In the experiments, the specimen materials used as base metals in this study were pure aluminum, stainless steel and titanium bars of solid, and the powder media wer
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Putra, Y. H., Z. Zulhan, A. D. Pradana, D. R. Pradana, and T. Hidayat. "The interaction between slag and MgO refractory at conditions relevant to nickel laterite ore smelting." In 12th International Conference of Molten Slags, Fluxes and Salts (MOLTEN 2024) Proceedings. Australasian Institute of Mining and Metallurgy (AusIMM), 2024. http://dx.doi.org/10.62053/grtd1797.

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The high temperature processing of nickel laterite ore is currently dominated by the Rotary Kiln-Electric Furnace (RKEF) technology. The ratio of SiO2/MgO (S/M) in the ore is one of the critical parameters that determines the success of the RKEF process. Incompatible S/M ratios in the ore can cause aggressive chemical interaction between the slag and MgO refractory. The slag-refractory interaction at conditions relevant to nickel laterite ore smelting was investigated in the present study. Synthetic mixtures representing the slag compositions of nickel laterite ore smelting were prepared by mi
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Sperka, Jirí, Lenka Zajícková, Ondrej Jasek, et al. "Growth of Carbon Materials on Gold Substrate by Plasma Enhanced CVD." In 13th International Conference on Plasma Surface Engineering September 10 - 14, 2012, in Garmisch-Partenkirchen, Germany. Linköping University Electronic Press, 2013. http://dx.doi.org/10.3384/wcc2.395-398.

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Carbon is a versatile building element of many interesting materials that have already find practical applications in the form of thin films (diamond, DLC) or potential applications in the form of nanostructures (fullerenes, carbon nanotubes, graphene). For electronics or sensors, it is important to provide a very good contact to the functional structures. Gold is the best choice taking into account its inertness, i. e. oxidation resistance. From this point of view the investigation of the growth of carbon materials on gold is important. The carbon-gold interaction plays an important role in d
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P, Raja, and Penchaliah Ramkumar. "Effect of Soft Reinforcement Particles on Microstructural, Mechanical, and Tribological Properties of Sintered Copper-Based Brake Composite Friction Material." In International Conference on Advances in Design, Materials, Manufacturing and Surface Engineering for Mobility. SAE International, 2023. http://dx.doi.org/10.4271/2023-28-0132.

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<div class="section abstract"><div class="htmlview paragraph">The main objective of the work is to investigate the friction and wear behavior of sintered copper-based brake composite friction material with a change in the volume percentage of soft reinforcement particles namely MoS<sub>2</sub> by pin-on-disc tribometer for medium-duty automotive applications. The composite brake friction material contains copper (Cu) as a matrix, tin (Sn) as an additive, silicon carbide (SiC) and molybdenum disulfide (MoS<sub>2</sub>) as hard and soft reinforcement particles
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