Relevant bibliographies by topics / Detailed numerical atmospheric modeling

Contents

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

Academic literature on the topic 'Detailed numerical atmospheric modeling'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Detailed numerical atmospheric modeling"

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Fueglistaler, S., S. Buss, B. P. Luo, et al. "Detailed modeling of mountain wave PSCs." Atmospheric Chemistry and Physics 3, no. 3 (2003): 697–712. http://dx.doi.org/10.5194/acp-3-697-2003.

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Abstract. Polar stratospheric clouds (PSCs) play a key role in polar ozone depletion. In the Arctic, PSCs can occur on the mesoscale due to orographically induced gravity waves. Here we present a detailed study of a mountain wave PSC event on 25-27 January 2000 over Scandinavia. The mountain wave PSCs were intensively observed by in-situ and remote-sensing techniques during the second phase of the SOLVE/THESEO-2000 Arctic campaign. We use these excellent data of PSC observations on 3 successive days to analyze the PSCs and to perform a detailed comparison with modeled clouds. We simulated the
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Herbst, Konstantin, Saša Banjac, and Tom A. Nordheim. "Revisiting the cosmic-ray induced Venusian ionization with the Atmospheric Radiation Interaction Simulator (AtRIS)." Astronomy & Astrophysics 624 (April 2019): A124. http://dx.doi.org/10.1051/0004-6361/201935152.

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Context. Cosmic ray bombardment represents a major source of ionization in planetary atmospheres. The higher the energy of the primary cosmic ray particles, the deeper they can penetrate into the atmosphere. In addition, incident high energy cosmic ray particles induce extensive secondary particle cascades (“air showers”) that can contain up to several billion secondary particles per incoming primary particle. To quantify cosmic ray-induced effects on planetary atmospheres it is therefore important to accurately model the entire secondary particle cascade. This is particularly important in thi
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Yushkov, V. P., M. M. Kurbatova, M. I. Varentsov, et al. "Modeling of the heat island in the period of extreme frost in Moscow in January 2017." Известия Российской академии наук. Физика атмосферы и океана 55, no. 5 (2019): 13–31. http://dx.doi.org/10.31857/s0002-351555513-31.

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Using the example of an analysis of an extreme lowering of temperature in Moscow in January 2017, the horizontal and vertical extent of the urban heat island against the background of a strong stable stratification of the atmospheric boundary layer is studied. The possibilities of measuring and monitoring the vertical structure of the atmosphere by means of ground-based remote sensing are investigated. The capabilities of the mesoscale model WRF, adapted for a detailed description of mixing processes in the atmospheric boundary layer, in reproducing the spatial dynamics of the temperature anom
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Gonçalves, F. L. T., W. N. Morinobu, M. F. Andrade, and A. Fornaro. "In-cloud and below-cloud scavenging analysis of sulfate in the metropolitan area of São Paulo, Brasil." Revista Brasileira de Meteorologia 22, no. 1 (2007): 94–104. http://dx.doi.org/10.1590/s0102-77862007000100010.

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The Metropolitan Area of São Paulo (MASP) is one of the largest urban centers in the world. The significant atmospheric concentrations of ozone, inhalable particles and other pollutants in the MASP raise serious air-quality concerns. In this study, we consider gases, particulate matter (PM) and cloud processes, with a focus on sulfate chemistry. The Regional Atmospheric Modeling System mesoscale numerical model was used in conjunction with detailed scavenging models to compare varying PM mass spectra and size distributions. Field data were collected during the July 1989-May 1990 and February-O
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Lemarié, Florian, Guillaume Samson, Jean-Luc Redelsperger, Hervé Giordani, Théo Brivoal, and Gurvan Madec. "A simplified atmospheric boundary layer model for an improved representation of air–sea interactions in eddying oceanic models: implementation and first evaluation in NEMO (4.0)." Geoscientific Model Development 14, no. 1 (2021): 543–72. http://dx.doi.org/10.5194/gmd-14-543-2021.

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Abstract. A simplified model of the atmospheric boundary layer (ABL) of intermediate complexity between a bulk parameterization and a three-dimensional atmospheric model is developed and integrated to the Nucleus for European Modelling of the Ocean (NEMO) general circulation model. An objective in the derivation of such a simplified model, called ABL1d, is to reach an apt representation in ocean-only numerical simulations of some of the key processes associated with air–sea interactions at the characteristic scales of the oceanic mesoscale. In this paper we describe the formulation of the ABL1
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Michoud, V., R. F. Hansen, N. Locoge, P. S. Stevens, and S. Dusanter. "Detailed characterizations of the new Mines Douai comparative reactivity method instrument via laboratory experiments and modeling." Atmospheric Measurement Techniques 8, no. 8 (2015): 3537–53. http://dx.doi.org/10.5194/amt-8-3537-2015.

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Abstract. The hydroxyl (OH) radical is an important oxidant in the troposphere, which controls the lifetime of most air quality- and climate-related trace gases. However, there are still uncertainties concerning its atmospheric budget, and integrated measurements of OH sinks have been valuable to improve this aspect. Among the analytical tools used for measuring total OH reactivity in ambient air, the comparative reactivity method (CRM) is spreading rapidly in the atmospheric community. However, measurement artifacts have been highlighted for this technique, and additional work is needed to fu
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Waskoenig, Jochen, Kari Niemi, Nikolas Knake, et al. "Diagnostic-based modeling on a micro-scale atmospheric-pressure plasma jet." Pure and Applied Chemistry 82, no. 6 (2010): 1209–22. http://dx.doi.org/10.1351/pac-con-09-11-05.

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Diagnostic-based modeling (DBM) actively combines complementary advantages of numerical plasma simulations and relatively simple optical emission spectroscopy (OES). DBM is applied to determine spatial absolute atomic oxygen ground-state density profiles in a micro atmospheric-pressure plasma jet operated in He–O2. A 1D fluid model with semi-kinetic treatment of the electrons yields detailed information on the electron dynamics and the corresponding spatio-temporal electron energy distribution function. Benchmarking this time- and space-resolved simulation with phase-resolved OES (PROES) allow
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Majda, Andrew J. "Multiscale Models with Moisture and Systematic Strategies for Superparameterization." Journal of the Atmospheric Sciences 64, no. 7 (2007): 2726–34. http://dx.doi.org/10.1175/jas3976.1.

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Abstract The accurate parameterization of moist convection presents a major challenge for the accurate prediction of weather and climate through numerical models. Superparameterization is a promising recent alternative strategy for including the effects of moist convection through explicit turbulent fluxes calculated from a cloud-resolving model. Basic scales for cloud-resolving modeling are the microscales on the order of 10 km in space on time scales on the order of 15 min, where vertical and horizontal motions are comparable and moist processes are strongly nonlinear (meso-gamma scale). In
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Sheridan, Peter, and Simon Vosper. "High-Resolution Simulations of Lee Waves and Downslope Winds over the Sierra Nevada during T-REX IOP 6." Journal of Applied Meteorology and Climatology 51, no. 7 (2012): 1333–52. http://dx.doi.org/10.1175/jamc-d-11-0207.1.

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AbstractThe downslope windstorm during intensive observation period (IOP) 6 was the most severe that was detected during the Terrain-Induced Rotor Experiment (T-REX) in Owens Valley in the Sierra Nevada of California. Cross sections of vertical motion in the form of a composite constructed from aircraft data spanning the depth of the troposphere are used to link the winds experienced at the surface to the changing structure of the mountain-wave field aloft. Detailed analysis of other observations allows the role played by a passing occluded front, associated with the rapid intensification (and
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Talerko, M., T. Lev, V. Drozdovitch, and S. Masiuk. "RECONSTRUCTION OF THE RADIOACTIVE CONTAMINATION OF THE TERRITORY OF UKRAINE BY IODINE-131 DURING INITIAL PERIOD OF THE CHORNOBYL ACCIDENT USING THE RESULTS FROM NUMERICAL MODEL WRF." Проблеми радіаційної медицини та радіобіології = Problems of Radiation Medicine and Radiobiology 25 (2020): 285–99. http://dx.doi.org/10.33145/2304-8336-2020-25-285-299.

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Objective. To reconstruct the 131I activity concentrations in air and 131I ground deposition densities from 26 April to 7 May 1986 from the radioactivity release after the Chornobyl accident in the settlements of Ukraine using the mesoscale radionuclides atmospheric transport model LEDI and meteorological information from the numerical weather forecast model WRF and to compare the obtained results with those calculated previously as well as with available measurements of 131I activity in soil. Object of research: the near-ground layer of the atmosphere and the surface of the territory of Ukrai
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Dissertations / Theses on the topic "Detailed numerical atmospheric modeling"

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Hiron, Thibault. "Experimental and modeling study of heterogeneous ice nucleation on mineral aerosol particles and its impact on a convective cloud." Thesis, Université Clermont Auvergne‎ (2017-2020), 2017. http://www.theses.fr/2017CLFAC074/document.

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L’un des enjeux principaux dans l’appréhension de l’évolution du climat planétaire réside dans la compréhension du rôle des processus de formation de la glace ainsi que leur rôle dans la formation et l’évolution des nuages troposphériques. Un cold stage nouvellement construit permet l’observation simultanée de jusqu’à 200 gouttes monodispersées de suspensions contenant des particules de K–feldspath, connues comme étant des particules glaçogènes très actives. Les propriétés glaçogènes des particules résiduelles de chaque goutte sont ensuite comparées pour les différents modes de glaciation et l
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Loughman, Robert Paul 1971. "A detailed numerical description of the solar aureole." Thesis, The University of Arizona, 1995. http://hdl.handle.net/10150/291355.

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A new method of calculating accurate visible radiance values in the solar aureole region is derived in this study. The method interpolates between the radiance values output by a Gauss-Seidel flat atmosphere radiative transfer model using the radiative transfer equation itself. The method thereby produces accurate radiance values for arbitrary directions with only a slight increase in the required computational effort. The radiance and diffuse irradiance are then calculated for a variety of specified model atmospheres. The impact of polarization and the vertical stratification of aerosol parti
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Balcon, Nicolas, and nicolas balcon@gmail com. "Atmospheric pressure Radio Frequency discharges, diagnostic and numerical modeling." The Australian National University. Research School of Physical Sciences and Engineering, 2008. http://thesis.anu.edu.au./public/adt-ANU20080318.234936.

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The aim of this thesis is to investigate the properties of a Radio Frequency capacitive discharge at atmospheric pressure in argon. In these conditions where the pressure x distance product is around 150 Torr.cm, the discharge usually consists of several locally hot filaments. By pulsing the RF generator with an appropriate width and period, it was found possible to control the filament to glow transition in order to obtain a diffused and stable plasma.¶ The 2 mm gap between the electrodes is open to the ambient air and fed with argon via one hundred submillimetric holes regularly spread on th
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Balcon, Nicolas. "Atmospheric pressure radio frequency discharges, diagnostic and numerical modeling /." View thesis entry in Australian Digital Thesis, 2007. http://thesis.anu.edu.au/public/adt-ANU20080318.234936/index.html.

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Laugwitz, Alexander. "Detailed analyses and numerical modeling of a new multi-staged fluidized-bed gasifier." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2018. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-230465.

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In der vorliegenden Arbeit werden verschiedene Simulationsansätze angewandt um die Hydrodynamik in einem neu entwickelten Wirbelschichtvergaser zu untersuchen. Die Ansätze umfassen a) entdimensionalisierter Ähnlichkeitskennzahlen und empirischer Gleichungen, b) 1D Simulationen mittels ASPEN Plus®, c) 3D CFD Simulationen mittels Ansys Fluent® zur detaillierten Abbildung der zu erwartenden Hydrodynamik. Vor- und Nachteile der jeweiligen Ansätze sowie Klassen von ermittelbaren Simulationsdaten werden diskutiert. Ein Schwerpunkt der Arbeit liegt in der Identifizierung geeigneter Experimente aus de
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Gavrilov, Konstantin. "Numerical modeling of atmospheric boundary layer flow over forest canopy." Thesis, Aix-Marseille 2, 2011. http://www.theses.fr/2011AIX22007/document.

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Ce travail de recherche concerne l’interaction entre une couche limite atmosphérique et une canopée (représentant un couvert forestier). J’ai étudié le problème complexe de production et d’évolution de grosses structures turbulentes au dessus de couverts homogènes et hétérogènes, moyennement denses. J’ai abordé ce problème en mettant en œuvre les outils de la simulation numérique des grosses structures (LES) et du calcul haute performance (HPC). Les résultats numériques obtenus, reproduisent correctement les principales caractéristiques de cet écoulement, telles qu’elles sont rapportées dans l
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Wing, Allison A. "Physical mechanisms controlling self-aggregation of convection in idealized numerical modeling simulations." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/90606.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, 2014.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 141-146).<br>The ubiquity of cloud clusters and their role in modulating radiative cooling and the moisture distribution underlines the importance of understanding how and why tropical convection organizes. In this work, the f
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Pearce, Frederick D. (Frederick Douglas) 1978. "Seismic scattering attributes to estimate reservoir fracture density : a numerical modeling study." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/30127.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 2003.<br>Includes bibliographical references (leaves 26-27).<br>We use a 3-D finite difference numerical model to generate synthetic seismograms from a simple fractured reservoir containing evenly-spaced, discrete, vertical fracture zones. The fracture zones are represented using a single column of anisotropic grid points. In our experiments, we vary the spacing of the fracture zones from 10-meters to 100-meters, corresponding to fracture density values from 0.1- to 0.01-fractures/meter,
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Almuhaidib, Abdulaziz M. "Numerical modeling, suppression, and imaging of elastic wave scattering by near-surface heterogeneities." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/90680.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, 2014.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>In arid environments, near-surface complexity and surface topography present major challenges to land seismic data acquisition and processing. These challenges can severely affect data quality and introduce uncertainty into reservoir imaging and characterization. The primary objectives of this thesis are to model and study the contribution of near-surface heterogeneities on seismic wavefield sc
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Zhan, Xin Ph D. Massachusetts Institute of Technology. "Transport and seismoelectric properties of porous permeable rock : numerical modeling and laboratory measurements." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/57794.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>The objective of this thesis is to better understand the transport and seismoelectric (SE) properties of porous permeable rock. Accurate information of rock transport properties, together with pore geometry, can aid us to better quantify the frequency dependence of its SE coupling coefficient. With the development of micro-CT (pCT) scanners, microstructure of the sedimentary rock can now be obtaine
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Books on the topic "Detailed numerical atmospheric modeling"

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Van Knowe, Glenn E. (Glenn Earnest), ed. A first course in atmospheric numerical modeling. Sundog Publishing, 2014.

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Atmospheric modeling, data assimilation, and predictability. Cambridge University Press, 2003.

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Lin, Yuh-Lang. Numerical modeling studies of wake vortex transport and evolution within the planetary boundary layer: FY94 July semi-annual report. Dept. of Marine, Earth and Atmospheric Sciences, North Carolina State University, 1994.

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Sigal, Anatoliy. Modeling the economy. INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1096081.

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The textbook describes the main sections of the discipline "Modeling of economics", read by students in the master's program in the direction of training 38.04.05 "Business Informatics". The presentation of theoretical information is illustrated by a detailed analysis of specific numerical examples. The textbook contains the tasks of a comprehensive test in the discipline "Modeling of the economy".&#x0D; Meets the requirements of the federal state educational standards of higher education of the latest generation.&#x0D; For students of higher educational institutions studying for a master's de
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Mazo, Aleksandr, and Konstantin Potashev. The superelements. Modeling of oil fields development. INFRA-M Academic Publishing LLC., 2020. http://dx.doi.org/10.12737/1043236.

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This monograph presents the basics of super-element modeling method of two-phase fluid flows occurring during the development of oil reservoir. The simulation is performed in two stages to reduce the spatial and temporal scales of the studied processes. In the first stage of modeling of development of oil deposits built long-term (for decades) the model of the global dynamics of the flooding on the super-element computational grid with a step equal to the average distance between wells (200-500 m). Local filtration flow, caused by the action of geological and technical methods of stimulation,
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Kalnay, Eugenia. Atmospheric Modeling, Data Assimilation and Predictability. Cambridge University Press, 2002.

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Kalnay, Eugenia. Atmospheric Modeling, Data Assimilation and Predictability. Cambridge University Press, 2002.

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An Introduction to Global Spectral Modeling (Atmospheric and Oceanographic Sciences Library). Springer, 2006.

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Williams, Paul D., and Thomas von Larcher. Modeling Atmospheric and Oceanic Flows: Insights from Laboratory Experiments and Numerical Simulations. American Geophysical Union, 2014.

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Williams, Paul D., and Thomas von Larcher. Modeling Atmospheric and Oceanic Flows: Insights from Laboratory Experiments and Numerical Simulations. American Geophysical Union, 2014.

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Book chapters on the topic "Detailed numerical atmospheric modeling"

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Kühnlein, Christian, Andreas Dörnbrack, and Thomas Gerz. "Advanced Numerical Modeling of Turbulent Atmospheric Flows." In Atmospheric Physics. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-30183-4_32.

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Nair, Ramachandran D., Michael N. Levy, and Peter H. Lauritzen. "Emerging Numerical Methods for Atmospheric Modeling." In Numerical Techniques for Global Atmospheric Models. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11640-7_9.

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Doyle, James D., Craig C. Epifanio, Anders Persson, Patrick A. Reinecke, and Günther Zängl. "Mesoscale Modeling over Complex Terrain: Numerical and Predictability Perspectives." In Springer Atmospheric Sciences. Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-4098-3_9.

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Waite, Michael L. "Direct Numerical Simulations of Laboratory-Scale Stratified Turbulence." In Modeling Atmospheric and Oceanic Flows. John Wiley & Sons, Inc, 2014. http://dx.doi.org/10.1002/9781118856024.ch8.

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Wedi, Nils P. "Numerical Simulation (DNS, LES) of Geophysical Laboratory Experiments." In Modeling Atmospheric and Oceanic Flows. John Wiley & Sons, Inc, 2014. http://dx.doi.org/10.1002/9781118856024.ch9.

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O’neill, Alan. "Atmospheric Data Assimilation." In Numerical Modeling of the Global Atmosphere in the Climate System. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4046-1_15.

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Galanis, G., G. Zodiatis, D. Hayes, et al. "Numerical Wave Modeling and Wave Energy Estimation." In Advances in Meteorology, Climatology and Atmospheric Physics. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-29172-2_13.

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Ju, Lili, Todd Ringler, and Max Gunzburger. "Voronoi Tessellations and Their Application to Climate and Global Modeling." In Numerical Techniques for Global Atmospheric Models. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11640-7_10.

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Matsangouras, Ioannis T., E. Avgoustoglou, F. Gofa, I. Pytharoulis, P. T. Nastos, and H. W. Bluestein. "Numerical Modeling Analysis of Tornadoes Using the COSMO.GR Model Over Greece." In Perspectives on Atmospheric Sciences. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-35095-0_18.

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Randriamampianina, Anthony, and Emilia Crespo del Arco. "A High-Resolution Method for Direct Numerical Simulation of Instabilities and Transitions in a Baroclinic Cavity." In Modeling Atmospheric and Oceanic Flows. John Wiley & Sons, Inc, 2014. http://dx.doi.org/10.1002/9781118856024.ch16.

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Conference papers on the topic "Detailed numerical atmospheric modeling"

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Liu, Fengshan, Hongsheng Guo, and Gregory J. Smallwood. "Numerical Modeling of a Lifted Laminar Coflow Methane Diffusion Jet Flames Using Detailed Chemistry and Non-Grey Gas Radiation Models." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33913.

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Two lifted laminar coflow non-sooting methane diffusion jet flames, one diluted by nitrogen and the other diluted by carbon dioxide, at atmospheric pressure were calculated using detailed chemistry and complex thermal and transport properties. Chemical reactions were modeled using the GRI-Mech 3.0 mechanism with species and reactions related to NOx formation removed. Radiation heat transfer by CO, CO2, and H2O was calculated using the discrete-ordinates method coupled with a statistical narrow-band correlated-k based band model. Calculations of each flame were performed with and without radiat
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Zhang, Wei, Fenglei Niu, Houbo Qi, and Zhangpeng Guo. "Numerical Simulation of Radiation Aerosol Collection in Mesoscopic Impactor Filters." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-66598.

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Typically, the concentration of natural radioactive aerosols in the containment vessel of nuclear power plant is low and in equilibrium. But when a serious nuclear accident occurred, the massive radioactive aerosols would be rapidly released. In order to ensure the integrality of the containment, the pressure inside the containment must be reduced by reducing the concentration of the aerosol. It can cause a serious damage to the atmospheric environment if such radioactive aerosol directly release. In this paper a new mesoscopic impactor filter has been developed which not only can filtrate and
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Patil, Sunil, Judy Cooper, Stefano Orsino, Joseph Meadows, Richard Valdes, and Walter R. Laster. "Investigation of Single Jet Combustor Using Flamelet Generated Manifold Combustion Model and Detailed Chemistry." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-57986.

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Numerical simulation results of a single jet premixed combustion system at atmospheric pressure are compared against comprehensive particle image velocimetry (PIV) flow measurements and Raman scattering temperature measurements for natural gas and hydrogen fuels. The simulations were performed on hexahedral meshes with 1–5 million elements. RANS calculations were carried with the k-ε realizable turbulence model. Combustion was modeled using the Flamelet Generated Manifold model (FGM) and detailed chemistry. Both the flame position and flame liftoff predicted by the FGM were in reasonable agree
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Moussafir, J., C. Olry, M. Nibart, et al. "AIRCITY: A Very High Resolution Atmospheric Dispersion Modeling System for Paris." In ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fedsm2014-21820.

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The AIRCITY project, partly funded by the European Union, is now successfully achieved. It aimed at developing a 4D innovative numerical simulation tool dedicated to the dispersion of traffic-induced air pollution at local scale on the whole urban area of PARIS. AIRCITY modeling system is based on PMSS (Parallel-Micro-SWIFT-SPRAY) software, which has been developed by ARIA Technologies in close collaboration with CEA and MOKILI. PMSS is a simplified CFD solution which is an alternative to micro-scale simulations usually carried out with full-CFD. Yet, AIRCITY challenge was to model the flow an
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Tiribuzi, Stefano. "CFD Modelling of Thermoacoustic Oscillations Inside an Atmospheric Test Rig Generated by a DLN Burner." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-53738.

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The ENEL Produzione Research Centre of Pisa is deeply involved in the study of flame instabilities which could arise in particular operating conditions in the gas turbine equipped with Dry Low NOx (DLN) lean premixed combustors. An atmospheric pressure test facility, named TAO (Turbogas ad Accesso Ottico), is presently used to test, under scaled conditions, the onset of self-sustained thermoacoustic instabilities during the operation of a typical DLN burner. To support this activity, Computation Fluid Dynamic (CFD) analyses are carried out by means of KIEN, an in-house Reynold Averaged Navier
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Fackler, K. Boyd, Megan F. Karalus, Igor V. Novosselov, John C. Kramlich, and Phillip C. Malte. "Experimental and Numerical Study of NOX Formation From the Lean Premixed Combustion of CH4 Mixed With CO2 and N2." In ASME 2011 Turbo Expo: Turbine Technical Conference and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/gt2011-45090.

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This paper describes an experimental and numerical study of the emission of nitrogen oxides (NOX) from the lean premixed (LPM) combustion of gaseous fuel alternatives to typical pipeline natural gas in a high intensity, single-jet stirred reactor (JSR). In this study, CH4 is mixed with varying levels CO2 and N2. NOX measurements are taken at a nominal combustion temperature of 1800 K, atmospheric pressure, and a reactor residence time of 3 ms. The experimental results show the following trends for NOX emissions as a function of fuel dilution: (1) more NOX is produced per kg of CH4 consumed wit
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Brunetti, Iarno, Giovanni Riccio, Nicola Rossi, et al. "Experimental and Numerical Characterization of Lean Hydrogen Combustion in a Premix Burner Prototype." In ASME 2011 Turbo Expo: Turbine Technical Conference and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/gt2011-45623.

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The use of hydrogen as derived fuel for low emission gas turbine is a crucial issue of clean coal technology power plant based on IGCC (Integrated Gasification Combined Cycle) technology. Control of NOx emissions in gas turbines supplied by natural gas is effectively achieved by lean premixed combustion technology; conversely, its application to NOx emission reduction in high hydrogen content fuels is not a reliable practice yet. Since the hydrogen premixed flame is featured by considerably higher flame speed than natural gas, very high air velocity values are required to prevent flash-back ph
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Milani, Massimo, Luca Montorsi, Stefano Terzi, Gabriele Storchi, and Andrea Lucchi. "Analysis of a Double Inlet Gerotor Pump: A Dynamic Multi-Phase CFD Approach Accounting for the Fluid Compressibility and Temperature Dependent Properties." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11482.

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Abstract The paper analyzes the fluid dynamic performance of a double inlet Gerotor pump by means of a multi-phase and multicomponent CFD approach. The numerical simulation includes the full 3D geometry of the pump as well as the real physics of the compressible hydraulic fluid and the rotating dynamic motion. The aeration and cavitation phenomena are included in the analysis adopting the Rayleight-Plesset equation and inertia controlled growth model for bubble formation. Cavitation and aeration phenomena are detected, especially when intake pressure is lower than atmospheric pressure. The inf
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Kurbatskaya, L., and Albert F. Kurbatskii. "Numerical modeling of atmospheric turbulent Ekman flow." In XXIII International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, edited by Oleg A. Romanovskii. SPIE, 2017. http://dx.doi.org/10.1117/12.2282886.

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Torres Monclard, Kevin, Olivier Gicquel, and Ronan Vicquelin. "Impact of Soot Radiative Properties, Pressure and Soot Volume Fraction on Radiative Heat Transfer in Turbulent Sooty Flames." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-15559.

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Abstract The effect of soot radiation modeling, pressure, and level of soot volume fraction are investigated in two ethylene-air turbulent flames: a jet flame at atmospheric pressure studied at Sandia, and a confined pressurized flame studied at DLR. Both cases have previously been computed with large-eddy simulations coupled with thermal radiation. The present study aims at determining and analyzing the thermal radiation field for different models from these numerical results. A Monte-Carlo solver based on the Emission Reciprocity Method is used to solve the radiative transfer equation with d
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