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Relevant bibliographies by topics / Atmospheric Modeling and Analysis Division

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Academic literature on the topic 'Atmospheric Modeling and Analysis Division'

Author: Grafiati

Published: 4 June 2021

Last updated: 28 July 2025

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Journal articles on the topic "Atmospheric Modeling and Analysis Division"

1

Lehr, W., R. Overstreet, R. Jones, L. Eclipse, and D. Simecek-Beatty. "THE NEXT GENERATION IN OIL WEATHERING MODELING." International Oil Spill Conference Proceedings 1997, no. 1 (1997): 986–87. http://dx.doi.org/10.7901/2169-3358-1997-1-986.

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ABSTRACT Through a project jointly funded by the National Oceanic and Atmospheric Administration (NOAA) and the U.S. Minerals Management Service (MMS), the Hazardous Material Response and Assessment Division of NOAA (NOAA/HAZMAT) has developed the next generation of the widely used oil weathering model, ADIOS. The algorithms for spreading, emulsification, dispersion, and evaporation have been modified to accommodate new research results. Also, the new version contains a source strength module that estimates leak rates from damaged vessels and new user inputs that allow decisions on the applica

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Carrera, Marco L., Stéphane Bélair, Vincent Fortin, Bernard Bilodeau, Dorothée Charpentier, and Isabelle Doré. "Evaluation of Snowpack Simulations over the Canadian Rockies with an Experimental Hydrometeorological Modeling System." Journal of Hydrometeorology 11, no. 5 (2010): 1123–40. http://dx.doi.org/10.1175/2010jhm1274.1.

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Abstract To improve the representation of the land surface in their operational numerical weather prediction (NWP) models, the Meteorological Research Division of Environment Canada (EC) is developing an external hydrometeorological modeling and data assimilation system. The objective of this study is to verify the improvement in simulating snow cover extent (SCE) and snow water equivalent (SWE) over the Canadian Rockies with this new modeling system. This study will be an important first step in determining the optimal configuration of the land surface model and atmospheric forcing for a futu

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Symons, Lisa, and Marc K. Hodges. "Undersea Pollution Threats and Trajectory Modeling." Marine Technology Society Journal 38, no. 3 (2004): 78–82. http://dx.doi.org/10.4031/002533204787511282.

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The National Marine Sanctuary Program (NMSP) in the National Oceanic and Atmospheric Administration (NOAA) has developed the Resources and Undersea Threats (RUST) database in an attempt to inventory and assess potential threats from underwater sources of pollution. Undersea threat information is only the first step of several in determining the potential scope and scale of the spill trajectories that demonstrate potential to impact sensitive resources. Resource managers frequently have to make decisions based on the precautionary approach, using the best available information to weigh alternat

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ROMANOV, A. V. "A ROADMAP OF MODERN HYDROLOGICAL FORECASTS OF WATER REGIME." Meteorologiya i Gidrologiya, no. 12 (December 2023): 12–26. http://dx.doi.org/10.52002/0130-2906-2023-12-12-26.

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An array of information sources related to the current and proposed development of methods and systems of hydrological forecasts has been analyzed. It included not only publications of recent years in the field of mathematical modeling of river flow formation processes, but also fundamental documents of a structural and conceptual type related to international cooperation and division of labor in the field of hydrometeorology. The results of the analysis allow us to identify several main directions of the road map that determines the development of this area of hydrology for the near and long

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Shaikh, Muhammad Naveed, Salman Arain, Syed Rizwan Hassan, Sghaier Guizani, Ateeq Ur Rehman, and Habib Hammam. "BER and outage throughput analysis of DPIM/DHPIM coded QPSK-OFDM based outdoor optical wireless communications." International Journal of ADVANCED AND APPLIED SCIENCES 11, no. 9 (2024): 1–6. http://dx.doi.org/10.21833/ijaas.2024.09.001.

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With the growing demand for fast and reliable communication systems, particularly in outdoor environments, it is essential to investigate advanced encoding techniques. Digital Pulse Interval Modulation (DPIM) and Dual Header Pulse Interval Modulation (DHPIM) emerge as promising alternatives to traditional line coding methods, providing enhanced spectral efficiency and resistance to signal disruptions. This paper presents the performance of a Quadrature Phase-Shift Keying (QPSK) Orthogonal Frequency Division Multiplexing (OFDM)-based Optical Wireless Communication (OWC) system using these advan

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Khan, Muhammad Tariq, Muhammad Shoaib, Raffaele Albano, et al. "Intercomparison and Assessment of Stand-Alone and Wavelet-Coupled Machine Learning Models for Simulating Rainfall-Runoff Process in Four Basins of Pothohar Region, Pakistan." Atmosphere 14, no. 3 (2023): 452. http://dx.doi.org/10.3390/atmos14030452.

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The science of hydrological modeling has continuously evolved under the influence of rapid advancements in software and hardware technologies. Starting from simple rational formulae for estimating peak discharge and developing into sophisticated univariate predictive models, accurate conversion of rainfall into runoff and the assessment of inherent uncertainty has been a prime focus for researchers. Therefore, alternative data-driven methods have gained widespread attention in hydrology. Moreover, scientists often couple conventional machine learning models with data pre-processing techniques,

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Huang, Wei-Chieh, Hui-Ming Hung, Ching-Wei Chu, Wei-Chun Hwang, and Shih-Chun Candice Lung. "Deriving the hygroscopicity of ambient particles using low-cost optical particle counters." Atmospheric Measurement Techniques 17, no. 20 (2024): 6073–84. http://dx.doi.org/10.5194/amt-17-6073-2024.

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Abstract. This study investigates the chemical composition and physical properties of aerosols, which play a crucial role in influencing human health, cloud physics, and local climate. Our focus centers on the hygroscopicity of ambient aerosols, a key property reflecting the ability to take up moisture from the atmosphere and serve as cloud condensation nuclei. Employing home-built air quality box (AQB) systems equipped with low-cost sensors, we assess the ambient variability of particulate matter (PM) concentrations to determine PM hygroscopicity. The AQB systems effectively captured meteorol

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Alvanos, Michail, and Theodoros Christoudias. "GPU-accelerated atmospheric chemical kinetics in the ECHAM/MESSy (EMAC) Earth system model (version 2.52)." Geoscientific Model Development 10, no. 10 (2017): 3679–93. http://dx.doi.org/10.5194/gmd-10-3679-2017.

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Abstract. This paper presents an application of GPU accelerators in Earth system modeling. We focus on atmospheric chemical kinetics, one of the most computationally intensive tasks in climate–chemistry model simulations. We developed a software package that automatically generates CUDA kernels to numerically integrate atmospheric chemical kinetics in the global climate model ECHAM/MESSy Atmospheric Chemistry (EMAC), used to study climate change and air quality scenarios. A source-to-source compiler outputs a CUDA-compatible kernel by parsing the FORTRAN code generated by the Kinetic PreProces

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An, X. Q., S. X. Zhai, M. Jin, S. L. Gong, and Y. Wang. "Tracking influential haze source areas in North China using an adjoint model, GRAPES–CUACE." Geoscientific Model Development Discussions 8, no. 8 (2015): 7313–45. http://dx.doi.org/10.5194/gmdd-8-7313-2015.

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Abstract. Based upon the adjoint theory, the adjoint of the aerosol module in the atmospheric chemical modeling system GRAPES–CUACE (Global/Regional Assimilation and PrEdiction System coupled with the CMA Unified Atmospheric Chemistry Environment) was developed and tested for its correctness. Through statistic comparison, BC (black carbon aerosol) concentrations simulated by GRAPES–CUACE were generally consistent with observations from Nanjiao (one urban observation station) and Shangdianzi (one rural observation station) stations. To track the most influential emission-sources regions and the

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Somfalvi-Tóth, Katalin, and André Simon. "Extreme Value Analysis and Modelling of Wet Snow Accretion on Overhead Lines in Hungary." Atmosphere 14, no. 1 (2022): 81. http://dx.doi.org/10.3390/atmos14010081.

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Wet snow events in Hungary can occasionally cause damage to overhead power lines and serious power supply failures. Return period calculation of such high snow mass events was determined upon a 50-year long data series available at 12 meteorological stations. Wet snow masses were estimated with a model of cylindrical accretion around wire of 3.1 cm diameter. Trends in the return periods and ice classes (according to the ISO 12494 standard) were assessed from division of the dataset into two periods (1965–1990 and 1991–2016). Ice classes in the range of R2 to R5 (mass of 0.7–6.1 kg m−1) were id

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Dissertations / Theses on the topic "Atmospheric Modeling and Analysis Division"

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Fenton, Lori K. Brown Michael E. "Aeolian processes on Mars : atmospheric modeling and GIS analysis /." Diss., Pasadena, Calif. : California Institute of Technology, 2003. http://resolver.caltech.edu/CaltechETD:etd-03052003-124751.

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Hooper, Heather J. (Heather Julie) 1975. "Analysis and modeling of induced seismicity in petroleum reservoirs." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/54445.

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Thesis (S.M. in Geosystems)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 2002.<br>Includes bibliographical references (p. 53).<br>Since 1998, a producing oil field in Oman has been experiencing microearthquake activity. The aim of this project is to compare numerical models of wave propagation using simple source representations to a small subset of these microearthquakes, with three goals in mind: 1) to understand whether the microearthquakes are generated by movement along a known fault system in the field, or by some other mechanism; 2) if the

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Young, Paul S. "Modeling and Analysis for Atmospheric Galvanic Corrosion of Fasteners in Aluminum." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1430416832.

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Liu, Huiqing. "Analysis and modeling of wave-current interaction." NCSU, 2006. http://www.lib.ncsu.edu/theses/available/etd-10192006-144755/.

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The main task of this study focuses on studying the effect of wave-current interaction on currents, storm surge and inundation as well as effects of depth-induced wave breaking, wind field and current on waves by using numerical models. The results show that it is important to incorporate the wave-current interaction effect into coastal circulation, storm surge and inundation models. At the same time, it should consider effects of depth-induced wave breaking, wind field, currents and sea surface elevation in prediction of waves. Specially, we found that: (1) Depth-induced wave breaking plays a

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Armstrong, Kathryn Anne. "Computational structure-based modeling and analysis with application to rational and evolutionary molecular engineering." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/39844.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Biological Engineering Division, 2007.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Includes bibliographical references (leaves 112-127).<br>The design and development of new proteins and small molecules has considerable practical application in medicine, industry, and basic science. Frequently, progress in this area is made by altering an existing small molecule or protein for new function. This thesis presents methods for the anal

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Goetz, Stephen. "Measurement, Analysis, and Modeling of Fine Particulate Matter in Eastern North Carolina." NCSU, 2006. http://www.lib.ncsu.edu/theses/available/etd-01042006-092443/.

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An analysis of fine particulate mass concentrations in eastern North Carolina was conducted in order to investigate the impact of the hog industry and its emissions of ammonia into the atmosphere. This analysis included collecting acidic gas and inorganic fine particulate concentrations at a hog facility and at a site ~10 miles away, while the regional impact of hog industry was studied with data, which was obtained from the North Carolina Division of Air Quality, for multiple regional sites (Fayetteville, Goldsboro, Jacksonville, Kenansville, Kinston, Raleigh, Wilmington). This regional fine

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Schrang, Oliver Stiles. "Modeling and analysis of commercial finished goods inventory." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/90164.

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Thesis: S.M., Massachusetts Institute of Technology, Engineering Systems Division, 2014. In conjunction with the Leaders for Global Operations Program at MIT.<br>Thesis: M.B.A., Massachusetts Institute of Technology, Sloan School of Management, 2014. In conjunction with the Leaders for Global Operations Program at MIT.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 55-56).<br>As the commoditization of the PC market erodes product margins, increasing emphasis is placed on cost optimization within the supply chain. One critical component of this is the fin

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Karplus, Valerie J. "Climate and energy policy for U.S. passenger vehicles : a technology-rich economic modeling and policy analysis." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/97325.

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Thesis: Ph. D., Massachusetts Institute of Technology, Engineering Systems Division, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 186-197).<br>Climate and energy security concerns have prompted policy action in the United States and abroad to reduce petroleum use and greenhouse gas (GHG) emissions from passenger vehicles. Policy affects the decisions of firms and households, which inevitably react to changing constraints and incentives. Developing and applying models that capture the technological and behavioral richness of the policy response, a

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Capps, Shannon. "Advanced sensitivity analysis techniques for atmospheric chemistry models: development and application." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/51755.

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Trace gases and aerosols, or suspended liquid and solid material in the atmosphere, have significant climatological and societal impacts; consequently, accurate representation of their contribution to atmospheric composition is vital to predicting climate change and informing policy actions. Sensitivity analysis allows scientists and environmental decision makers alike to ascertain the role a specific component of the very complex system that is the atmosphere of the Earth. Anthropogenic and natural emissions of gases and aerosol are transported by winds and interact with sunlight, allowing si

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Markina-Khusid, Aleksandra. "Effect of learning on stakeholder negotiation outcomes : modeling and analysis of game-generated data." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/100390.

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Thesis: S.M. in Engineering and Management, Massachusetts Institute of Technology, Engineering Systems Division, System Design and Management Program, 2015.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 75-81).<br>A design negotiation game based on a stakeholder salience framework was created by the APACE research team to explore negotiation dynamics between stakeholders with individual attributes and agendas. Experimental data was collected anonymously during games played by groups of human participants through a web interface. It was found that the ne

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Books on the topic "Atmospheric Modeling and Analysis Division"

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Rao, S. Trivikrama. Summary report of the Atmospheric Modeling and Analysis Division's research activities for 2009. United States Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory, 2010.

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Gaver, Donald Paul. Modeling and statistical analysis of bioassay data: Medaka cell proliferation under DEN and TCE. Naval Postgraduate School, 1994.

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United States. National Aeronautics and Space Administration., ed. NASA'S UPPER ATMOSPHERE RESEARCH PROGRAM (UARP) AND ATMOSPHERIC CHEMISTRY MODELING AND ANALYSIS PROGRAM (ACMAP): RESEARCH SUMMARIES... NASA. s.n., 2000.

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Division, Air Resources Laboratory (U S. ). Atmospheric Sciences Modeling. Fiscal year 1990 summary report of NOAA Atmospheric Sciences Modeling Division support to the U.S. Environmental Protection Agency. United States. National Oceanic Atmospheric Administration, Environmental Research Laboratories, Air Resources Laboratory, 1991.

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Poole-Kober, Evelyn M. Fiscal year 1992 summary report of NOAA Atmospheric Sciences Modeling Division support to the U.S. Environmental Protection Agency. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Research Laboratories, Air Resources Laboratoty, 1993.

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M, Poole-Kober Evelyn, Viebrock Herbert J, and Air Resources Laboratories, eds. Fiscal year 1991 summary report of NOAA atmospheric sciences modeling division support to the U.S. Environmental Protection Agency. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Research Laboratories, Air Resources Laboratory, 1992.

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United States. National Aeronautics and Space Administration., ed. NASA'S UPPER ATOMSPHERE RESEARCH PROGRAM UARP AND ATMOSPHERIC CHEMISTRY MODELING AND ANALYSIS PROGRAM (ACMAP): RESEARCH... NASA/TM-97-113449. s.n., 1999.

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United States. National Oceanic and Atmospheric Administration., ed. FISCAL YEAR 2000 SUMMARY REPORT OF THE NOAA ATMOSPHERIC SCIENCES MODELING DIVISION TO THE U.S. ENVIRONMENTAL..., NOAA TECHNICAL MEMORANDUM O. s.n., 2002.

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United States. National Oceanic and Atmospheric Administration, ed. FISCAL YEAR 2001 SUMMARY REPORT OF THE NOAA ATMOSPHERIC SCIENCES MODELING DIVISION TO THE..., NOAA TECHNICAL MEMORANDUM OAR ARL-245... U.S. s.n., 2003.

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United States. National Oceanic and Atmospheric Administration, ed. FISCAL YEAR 2003 SUMMARY REPORT OF THE NOAA ATMOSPHERIC SCIENCES MODELING DIVISION TO THE..., NOAA TECHNICAL MEMORANDUM OAR ARL-252... U.S. s.n., 2005.

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Book chapters on the topic "Atmospheric Modeling and Analysis Division"

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Gordon, Glen E. "Receptor Modeling Based on Elemental Analysis." In Chemistry of Multiphase Atmospheric Systems. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-70627-1_25.

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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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Travis, Bryan J. "A Computational Model of the Cat Medial Geniculate Body Ventral Division." In Neural Systems: Analysis and Modeling. Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-3560-7_21.

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Yao, Jian, and Wei Liu. "Nonlinear Time Series Prediction of Atmospheric Visibility in Shanghai." In Time Series Analysis, Modeling and Applications. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-33439-9_18.

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Winick, Jeremy R., R. H. Picard, R. D. Sharma, R. A. Joseph, and P. P. Wintersteiner. "4.3 µm Radiation in the Aurorally Dosed Lower Thermosphere: Modeling and Analysis." In Progress in Atmospheric Physics. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-3009-4_18.

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Ludwig, F. L. "Fractal Concepts and the Analysis of Atmospheric Inhomogeneities." In Air Pollution Modeling and Its Application VII. Springer US, 1989. http://dx.doi.org/10.1007/978-1-4615-6409-6_37.

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Müller, Peter, and Hans von Storch. "Modeling in Applied Environmental Sciences — Forecasting, Analysis and Scenarios." In Computer Modelling in Atmospheric and Oceanic Sciences. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-06381-1_5.

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Djouad, Rafik, Bruno Sportisse, Nicole Audiffren, and Isabelle Charpentier. "Modeling of Atmospheric Multiphase Chemistry: Numerical Integration and Sensitivity Analysis." In Air Pollution Modelling and Simulation. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04956-3_43.

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Sofiev, M., R. Kouznetsov, M. Prank, et al. "A Long-Term Re-Analysis of Atmospheric Composition and Air Quality." In Air Pollution Modeling and its Application XXV. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-57645-9_9.

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Hossen, Sayed Mohibul, Md Takrib Hossain, Aditi Chakraborty, and Mohd Tahir Ismail. "Modeling for Prospect of Aman Rice Production in Dhaka Division, Bangladesh." In Statistics for Data Science and Policy Analysis. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-1735-8_6.

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Conference papers on the topic "Atmospheric Modeling and Analysis Division"

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Liu, Jiaheng, and Yujie Zhang. "Predictive analysis of atmospheric sulfur dioxide concentration based on fusion modeling." In Fourth International Conference on Computer Vision, Application, and Algorithm (CVAA 2024), edited by Hui Yuan and Lu Leng. SPIE, 2025. https://doi.org/10.1117/12.3055828.

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Antonietti, Eleonora, Gabriele Lambiase, Andrea Sesta, et al. "Analysis of Orbit Perturbation and Atmospheric Effects for Advanced ODTS Services in Elliptical Lunar Frozen Orbits." In 37th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2024). Institute of Navigation, 2024. http://dx.doi.org/10.33012/2024.19808.

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Rima, Kebaili, Driz Samia, and Fassi Benattou. "Optimizing Wavelength Division Multiplexing Free-Space Optical Systems: A Comparative Analysis of Predictive Modeling Techniques." In 2024 3rd International Conference on Advanced Electrical Engineering (ICAEE). IEEE, 2024. https://doi.org/10.1109/icaee61760.2024.10783264.

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Rodriguez, Arturo, Carlos R. Cuellar, Luis F. Rodriguez, et al. "Stochastic Analysis of LES Atmospheric Turbulence Solutions With Generative Machine Learning Models." In ASME 2020 Fluids Engineering Division Summer Meeting collocated with the ASME 2020 Heat Transfer Summer Conference and the ASME 2020 18th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/fedsm2020-20127.

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Abstract The Large Eddy Simulations (LES) modeling of turbulence effects is computationally expensive even when not all scales are resolved, especially in the presence of deep turbulence effects in the atmosphere. Machine learning techniques provide a novel way to propagate the effects from inner- to outer-scale in atmospheric turbulence spectrum and to accelerate its characterization on long-distance laser propagation. We simulated the turbulent flow of atmospheric air in an idealized box with a temperature difference between the lower and upper surfaces of about 27 degrees Celsius with the L

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Rodriguez, Luis F., Vinod Kumar, Arturo Rodriguez, V. M. Krushnarao Kotteda, V. S. Rao Gudimetla, and Jorge A. Munoz. "Parameter Sensitivity and Statistical Correlation Found in Atmospheric Turbulence Studies." In ASME 2020 Fluids Engineering Division Summer Meeting collocated with the ASME 2020 Heat Transfer Summer Conference and the ASME 2020 18th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/fedsm2020-20254.

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Abstract We have simulated atmospheric turbulence at several instances of possible laser propagation paths and turbulent flow regime regions within the area of interest. At a control volume that is in between two Hawaii mountains. We have applied statistical correlations between Large-Eddy Simulations results using CFD modeling and parametrizing optical variables of interest, such as refractive index structure function. By comparing our Large-Eddy Simulations with specified parameters against other Large-Eddy Simulations with almost all same parameters except for one allows us to perform a sen

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Cao, Le, and Eva Gutheil. "Modeling and Simulation of Tropospheric Ozone Depletion in the Polar Spring." 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/fedsm2014-22045.

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In polar spring, tropospheric ozone depletion is related to the presence of halogen oxide concentrations in the atmospheric boundary layer. Halogen oxides such as BrO participate in an autocatalytic chemical reaction cycle, leading to the release of Br2 and BrCl from the fresh sea ice. The paper presents the identification of a detailed chemical reaction mechanism for the ozone depletion event, where bromine plays the major role. The heterogeneous reactions in the chemical reaction mechanism are studied in detail, and a sensitivity analysis is performed to identify the importance of each react

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Diaby, Moussa, Michel Sablier, Anthony Le Negrate, and Mehdi El Fassi. "Kinetic Study of the Thermo-Oxidative Degradation of Squalane (C30H62) Modelling the Base Oil of Engine Lubricants." In ASME 2009 Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/ices2009-76033.

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On the basis of ongoing research conducted on the clarification of processes responsible for lubricant degradation in the environment of piston grooves in EGR diesel engines, an experimental investigation was aimed to develop a kinetic model which can be used for the prediction of lubricant oxidative degradation correlated to endurance test conducted on engines. Knowing that base oils are a complex blend of paraffins and naphtenes with a wide range of sizes and structures, their chemistry analysis during the oxidation process can be highly convoluted. In the present work, investigations were c

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Malof, Emanuel, and Javid Bayandor. "Modeling of Aerodynamic Decelerator Inflation Using Fluid-Structure Interaction Strategies." In ASME 2024 Fluids Engineering Division Summer Meeting collocated with the ASME 2024 Heat Transfer Summer Conference and the ASME 2024 18th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/fedsm2024-132966.

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Abstract Fabric-based parachutes continue to be used as primary aerodynamic decelerators utilized in slowing aircraft, rockets, and landing vehicles. Parachutes decelerate a payload to safe, stable landing speeds utilizing aerodynamic drag forces. To this point, experimental testing of parachutes is expensive and impractical for various canopy shapes and opening velocities. Numerical analyses create an alternative to these costly experiments in terms of both time and money and provide performance analyses in a wide range of environments. Fluid-Structural Interaction (FSI), where the deformable

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Martinez-Morett, David, Luigi Tozzi, and Anthony J. Marchese. "A Reduced Chemical Kinetic Mechanism for CFD Simulations of High BMEP, Lean-Burn Natural Gas Engines." In ASME 2012 Internal Combustion Engine Division Spring Technical Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ices2012-81109.

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Recent developments in numerical techniques and computational processing power now permit time-dependent, multi-dimensional computational fluid dynamic (CFD) calculations with reduced chemical kinetic mechanisms (approx. 20 species and 100 reactions). Such computations have the potential to be highly effective tools for designing lean-burn, high BMEP natural gas engines that achieve high fuel efficiency and low emissions. Specifically, these CFD simulations can provide the analytical tools required to design highly optimized natural gas engine components such as pistons, intake ports, precombu

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Fedorov, Sergey S., Mykhailo V. Gubynskyi, Igor V. Barsukov, Mykola V. Livitan, Oleksiy G. Gogotsi, and Upendra Singh Rohatgi. "Modeling the Operation Regimes in Ultra-High Temperature Continuous Reactors." 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/fedsm2014-22161.

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The main advantage of carbon material treatment in electro-thermal furnaces with fluidized bed [EFFB] at 2000–3000C is that they allow producing graphite of high chemical purity, which is especially important in manufacture of ion-lithium batteries. The team conducted extensive research into hydraulic and heat modes of such units and developed a methodology for their design based on the concept of increase in electric resistance with fluidization. The choice of the working space configuration and the operation mode of EFFB are largely determined by the specific electrical resistance [SER] of t

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Reports on the topic "Atmospheric Modeling and Analysis Division"

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Mazzola, Carl. LANL Accident Analysis and Atmospheric Dispersion Modeling. Office of Scientific and Technical Information (OSTI), 2023. http://dx.doi.org/10.2172/1961357.

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Mazzola, Carl. LANL Accident Analysis and Atmospheric Dispersion Modeling. Office of Scientific and Technical Information (OSTI), 2023. http://dx.doi.org/10.2172/1975635.

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Sun, B., and L. L. Lehman. Hanford Site Composite Analysis Technical Approach Description: Atmospheric Transport Modeling. Office of Scientific and Technical Information (OSTI), 2017. http://dx.doi.org/10.2172/1412671.

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Wintersteiner, Peter P., Armand J. Paboojian, and Robert A. Joseph. Studies of Non-LTE Atmospheric Emissions: Modeling and Data Analysis. Defense Technical Information Center, 1996. http://dx.doi.org/10.21236/ada325464.

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MacCall, Benjamin, Yansen Wang, and Giap Huynh. The Battlefield Environment Division Modeling Framework (BMF). Part 1: Optimizing the Atmospheric Boundary Layer Environment Model for Cluster Computing. Defense Technical Information Center, 2014. http://dx.doi.org/10.21236/ada597123.

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Osuna, Jessica L., Askay Gowardhan, Matthew Simpson, Brenda Pobanz, and John Nasstrom. Modeling Analysis of Actual and Potential Atmospheric Dispersion of Plutonium-239 from the Hanford Site Plutonium Finishing Plant. Office of Scientific and Technical Information (OSTI), 2018. http://dx.doi.org/10.2172/1476858.

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Chamberlain, C. A., and K. Lochhead. Data modeling as applied to surveying and mapping data. Natural Resources Canada/CMSS/Information Management, 1988. http://dx.doi.org/10.4095/331263.

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The Geodetic Survey Division of the Canada Centre for Surveying is replacing the National Geodetic Data Base (NGDB) with the National Geodetic Information System (NGIS). For the NGIS to be successful, it was recognized that a sound, well engineered data mode was essential. The methodology chosen to design the data mode! was Nijssen's Information Analysis Methodology (NIAM), a binary modeling technique that is supported by a Computer Aided Software Engineering (CASE) tool, PC-IAST. An NGIS prototype has also been developed using Digital Equipment of Canada's Relational Database (Rdb) management

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Bell, Gary, Thomas Pokrefke, Cody Bryant, Cassandra Everett, and Cian Miller. Low-Sill Control Structure : physical modeling investigation—potential upstream dike fields. Engineer Research and Development Center (U.S.), 2025. https://doi.org/10.21079/11681/49617.

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The model investigation reported herein describes the process to analyze the effects of proposed dikes in various locations upstream of the Low-Sill Control Structure (LSCS) using an existing 1:55 Froude-scaled physical model. The purpose of this effort was to utilize the physical model to explore potential configurations of river-training structures in the approach channel that would result in more uniform flow conditions at the structure. This analysis was conducted by constructing dikes out of both sandbags and rock. Each dike configuration was surveyed using lidar and then tested by collec

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Coleman, Sean, and John A. Barth. Processing and Analysis of National Oceanic and Atmospheric Administration US West Coast 2022 and 2023 Fisheries Survey Data: Exploring a Robust Data Processing Modus Operandi with Various Collection Methods. Oregon State University, 2024. http://dx.doi.org/10.5399/osu/1175.

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The National Oceanic and Atmospheric Administration‘s (NOAA) Northwest Fisheries Science Center’s (NWFSC) Fishery Resource Analysis and Monitoring Division (FRAM) performs multiple fisheries surveys aboard NOAA research vessels and chartered commercial fishery vessels along the US west coast stretching from San Diego, California, to the Strait of Juan de Fuca off northern Washington. In partnership with Fisheries and Oceans Canada, the Hake survey is extended north along the Canadian West Coast, to Haida Gwaii, British Columbia. Data from these surveys inform the implementation of the Magnuson

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Yawn, Madison C., Thomas C. Massey, Luke A. Aucoin, Sydney A. Crisanti, and Norberto Nadal-Caraballo. Upper Barataria Basin (UBB) Coastal Storm Risk Management (CSRM) Study: Probabilistic and Numerical Coastal Hazards Modeling. US Army Engineer Research and Development Center, 2025. https://doi.org/10.21079/11681/49584.

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This report summarizes the numerical modeling and probabilistic analysis performed by the US Army Engineer Research and Development Center Coastal and Hydraulics Laboratory (CHL) as part of the Upper Barataria Basin (UBB) Coastal Storm Risk Management (CSRM) Study. The intent of this work, performed for the US Army Corps of Engineers (USACE) and St. Paul District, was to evaluate project alternatives to assess flooding risks induced by coastal storms in coastal Louisiana. This study applied the USACE’s Coastal Storm Modeling System for storm surge and wave modeling and Coastal Hazards System–P

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