Atmosphere, 2021 An accurate analysis of local-scale atmospheric dispersion of radioactive materials is important for safety and consequence assessments and emergency responses to accidental release from nuclear facilities.
Hiromasa Nakayama +3 more
doaj +1 more source
Technical note: Interpretation of field observations of point-source methane plume using observation-driven large-eddy simulations [PDF]
Atmospheric Chemistry and Physics, 2022 This study demonstrates the ability of large-eddy simulation (LES) forced by a large-scale model to reproduce plume dispersion in an actual field campaign.
A. Ražnjević +7 more
doaj +1 more source
Large-Eddy Simulation on turbulent flow and plume dispersion over a 2-dimensional hill [PDF]
Advances in Science and Research, 2010 The dispersion analysis of airborne contaminants including radioactive substances from industrial or nuclear facilities is an important issue for air quality maintenance and safety assessment.
H. Nakayama, H. Nagai
doaj +1 more source
Frontiers in Marine Science, 2022 The abyssal seafloor in the Clarion-Clipperton Zone (CCZ) in the NE Pacific hosts the largest abundance of polymetallic nodules in the deep sea and is being targeted as an area for potential deep-sea mining.
Sabine Haalboom +15 more
doaj +1 more source
Reconciling Gaussian plume and Computational Fluid Dynamics models of particulate dispersion
Atmospheric Environment: X, 2020 Computational Fluid Dynamics (CFD) is increasingly used to model particulate dispersion in situations where Gaussian Dispersion models are inappropriate or inaccurate.
G.M.D. Joseph +2 more
doaj +1 more source
Analysis of Thermal Plume Dispersion into the Sea by Remote Sensing and Numerical Modeling
Journal of Marine Science and Engineering, 2021 The aim of this work was to study, by remote sensing and numerical modeling, the thermal dispersion of a plume discharged into the sea by a nuclear power plant.
Luis Laguna-Zarate +4 more
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Can statistics of turbulent tracer dispersion be inferred from camera observations of SO2 in the ultraviolet? A modelling study [PDF]
Atmospheric Measurement Techniques, 2020 Atmospheric turbulence and in particular its effect on tracer dispersion may be measured by cameras sensitive to the absorption of ultraviolet (UV) sunlight by sulfur dioxide (SO2), a gas that can be considered a passive tracer over short transport ...
A. Kylling +8 more
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Modelling the volcanic ash plume from Eyjafjallajökull eruption (May 2010) over Europe: evaluation of the benefit of source term improvements and of the assimilation of aerosol measurements [PDF]
Natural Hazards and Earth System Sciences, 2021 Numerical dispersion models are used operationally worldwide to mitigate the effect of volcanic ash on aviation. In order to improve the representation of the horizontal dispersion of ash plumes and of the 3D concentration of ash, a study was conducted ...
M. Plu +9 more
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Dilution factor and atmospheric dispersion pattern for Kalpakkam site
Radiation Protection and Environment, 2022 Assessment of radiological impact and for planning and preparedness programs, monthly atmospheric dispersion patterns at Kalpakkam have been studied using observed surface meteorological data during 2015–2020. The influence of meteorological factors such
T Jesan +4 more
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PLUME DISPERSION STUDY IN A INDUSTRIAL COMPLEX [PDF]
Periódico Tchê Química, 2011 The plume dispersion modeling is used to estimate the pollutants distribution in the vicinities of a chimney. It is based on a Gaussian model where input data are the emissions rate, physical data from the stack, meteorological data, and topographical characteristics.
César Marcelo Cajazeira VIDAL +1 more
openaire +2 more sources