Results 1 to 10 of about 4,295 (258)

QES-Plume v1.0: a Lagrangian dispersion model [PDF]

open access: yesGeoscientific Model Development, 2023
Low-cost simulations providing accurate predictions of transport of airborne material in urban areas, vegetative canopies, and complex terrain are demanding because of the small-scale heterogeneity of the features influencing the mean flow and turbulence
F. Margairaz   +5 more
doaj   +4 more sources

Testing HYSPLIT Plume Dispersion Model Performance Using Regional Hydrocarbon Monitoring Data during a Gas Well Blowout

open access: yesAtmosphere, 2022
A gas well blowout in south central Texas in November 2019 that lasted for 20 days provided a unique opportunity to test the Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) model’s plume dispersion against hydrocarbon air monitoring ...
Gunnar W. Schade, Mitchell L. Gregg
doaj   +3 more sources

Tidally induced lateral dispersion of the Storfjorden overflow plume [PDF]

open access: yesOcean Science, 2013
We investigate the flow of brine-enriched shelf water from Storfjorden (Svalbard) into Fram Strait and onto the western Svalbard Shelf using a regional set-up of NEMO-SHELF, a 3-D numerical ocean circulation model.
F. Wobus   +4 more
doaj   +5 more sources

Mechanisms of Lateral Spreading in a Near-Field Buoyant River Plume Entering a Fjord

open access: yesFrontiers in Marine Science, 2021
Observations collected from a fast-flowing buoyant river plume entering the head of Doubtful Sound, New Zealand, were analysed to examine the drivers of plume lateral spreading.
Rebecca A. McPherson   +5 more
doaj   +1 more source

Study on Aerosol Atmospheric Dispersion Characteristic under Hilly Underlying Surface Condition Based on Wind Tunnel Experiment

open access: yesYuanzineng kexue jishu, 2023
A certain amount of radioactive aerosols will be released into the atmosphere during normal operation of a nuclear power plant or in the presence of a nuclear accident.
WU Siyuan;HE Jinpeng;GU Weiguo;NIE Baojie;WANG Dezhong*
doaj   +1 more source

PREDIKSI POLA SEBARAN PLUME RISE PADA VARIASI KECEPATAN EMISI GAS BUANG CHIMNEY DENGAN SIMULASI KOMPUTER

open access: yesRekayasa Mesin, 2022
One of the most significant current issues that endangers environment is air pollution from industrial chimney emissions. In certain condition, the mathematical models to analyze this problem is the Gaussian Plume Model (GPM), which is a model of air ...
Muhammad Nur Shobakh   +1 more
doaj   +1 more source

Genesis of dispersal plumes in till [PDF]

open access: yesCanadian Journal of Earth Sciences, 2013
In regions formerly covered by continental ice, till sheets may contain distinctive clastic particles derived from local bedrock sources such as ore bodies. Such particles, especially in thicker tills, may be distributed in three-dimensional dispersal trains or plumes.
Roger LeB. Hooke   +3 more
openaire   +1 more source

CFD simulation of gas dispersion at hydrogen bunkering station

open access: yesJournal of International Maritime Safety, Environmental Affairs, and Shipping, 2023
This research is to simulate hydrogen leakage at bunker station with various wind directions and velocities using Computational Fluid Dynamics (CFD) model to understand hydrogen dispersion behaviour and provide general guidelines to establish risk ...
Suwon Choi, Byongug Jeong
doaj   +1 more source

An emergency response model for the formation and dispersion of plumes originating from major fires (BUOYANT v4.20) [PDF]

open access: yesGeoscientific Model Development, 2022
A mathematical model called BUOYANT has previously been developed for the evaluation of the dispersion of positively buoyant plumes originating from major warehouse fires. The model addresses the variations of the cross-plume integrated properties (i.e.,
J. Kukkonen   +7 more
doaj   +1 more source

Dispersion of deep-sea hydrothermal plumes at the Endeavour Segment of the Juan de Fuca Ridge: a multiscale numerical study

open access: yesFrontiers in Marine Science, 2023
A multiscale numerical framework has been developed to investigate the dispersion of deep-sea hydrothermal plumes that originate from the Endeavour Segment of the Juan de Fuca Ridge located in the Northeast Pacific.
Guangyu Xu, Christopher R. German
doaj   +1 more source

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