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Simulation of Pollutant Gas Dispersion on Case Study of Lontar 3 Coal Fired Power Plant in Addition into 1 x 660 MW Capacity in Kemiri, Tangerang District, Banten Province
Indonesian Journal of Chemistry; Vol 14, No 3 (2014); 219-225
Air quality simulation has been performed for additional capacity of Banten 1 x 600 MW Coal Fired Power Plant toward air quality degradation in its surrounding environment. The simulation was based on pollutant gas dispersion calculated using Gaussia...
PubMed
An Application of the Gaussian Plume Model to Localization of an Indoor Gas Source with a Mobile Robot
Sensors (Basel)
The source localization of gas leaks is important to avoid any potential danger to the surroundings or the probable waste of resources. Currently there are several localization methods using robotic systems that try to find the origin of a gas plume....
PubMed
Simulations of dispersion through an irregular urban building array
Atmos Environ (1994)
Following the release of a harmful substance within an urban environment, buildings and street canyons create complex flow regimes that affect dispersion and localized effluent concentrations. While some fast-response dispersion models can capture th...
PubMed
Application of Gaussian SVM Flame Detection Model Based on Color and Gradient Features in Engine Test Plume Images
Sensors (Basel)
This study presents a flame detection model that is based on real experimental data that were collected during turbopump hot-fire tests of a liquid rocket engine. In these tests, a MEMRECAM ACS-1 M40 high-speed camera—serving as an optical sensor w...
PubMed
A fast and lightweight implementation of the Gaussian puff model for near-field atmospheric transport of trace gasses
Sci Rep
Atmospheric dispersion models are a key component of characterizing methane emissions on oil and gas sites. While some model implementations with varying degrees of complexity are available, existing regulatory-grade dispersion models are cumbersome ...
PubMed
Leak Detection and Localization in Multi-Grid Space Using Improved Gaussian Plume Model
Sensors (Basel)
Leak detection and localization of liquid or gas is of great significance to avoid potential danger and reduce the waste of resources. Leak detection and localization methods are varied and uniquely suited to specific application scenarios. The exist...
PubMed
Application of cavity ring-down spectroscopy and a novel near surface Gaussian plume estimation approach to inverse model landfill methane emissions()
MethodsX
Fugitive methane emissions from municipal solid waste landfills impact global climate change and reliable emissions quantification is of increasing importance. Ground-based cavity ring-down spectrometer (CRDS) measurements were used to determine meth...
PubMed
Towards Fast Plume Source Estimation with a Mobile Robot
Sensors (Basel)
The estimation of the parameters of an odour source is of high relevance for multiple applications, but it can be a slow and error prone process. This work proposes a fast particle filter-based method for source term estimation with a mobile robot. T...
PubMed
Characterizing Clutter in the Context of Detecting Weak Gaseous Plumes in Hyperspectral Imagery
Sensors (Basel)
Weak gaseous plume detection in hyperspectral imagery requires that background clutter consisting of a mixture of components such as water, grass, and asphalt be well characterized. The appropriate characterization depends on analysis goals. Although...
PubMed
Simulation code for estimating external gamma-ray doses from a radioactive plume and contaminated ground using a local-scale atmospheric dispersion model
PLoS One
In this study, we developed a simulation code powered by lattice dose-response functions (hereinafter SIBYL), which helps in the quick and accurate estimation of external gamma-ray doses emitted from a radioactive plume and contaminated ground. SIBYL...
PubMed
Assessment of environmental radioactive surface contamination from a hypothetical nuclear research reactor accident
Heliyon
The environmental surface contamination by radioactive elements following a nuclear research reactor hypothetical accident is evaluated employing the hotspot code, IAEA safety guide, and NRC guidelines. Gaussian plume depositions of radioactive conta...
PubMed
A Comprehensive Breath Plume Model for Disease Transmission via Expiratory Aerosols
PLoS One
The peak in influenza incidence during wintertime in temperate regions represents a longstanding, unresolved scientific question. One hypothesis is that the efficacy of airborne transmission via aerosols is increased at lower humidities and temperatu...
PubMed
An operational urban air quality model ENFUSER, based on dispersion modelling and data assimilation
Environ Model Softw
An operational urban air quality modelling system ENFUSER is presented with an evaluation against measured data. ENFUSER combines several dispersion modelling approaches, uses data assimilation, and continuously extracts information from online, glob...
PubMed
The Effect of Using a Metal Tube on Laser Welding of the Battery Case and the Tab for Lithium-Ion Battery
Materials (Basel)
Given the drawbacks of the conventional welding methods in joining the battery case and tab in the lithium-ion battery, the laser welding technique using the metal tube has been introduced for the weld. The metal tube is supposed to contribute a posi...
PubMed
Resolving the effect of roadside vegetation barriers as a near-road air pollution mitigation strategy
Env Sci Adv
Communities located in near-road environments experience elevated levels of traffic-related air pollution. Near-road air pollution is a major public health concern, and an environmental justice issue. Roadside green infrastructure such as trees, hedg...
PubMed
On the Transport of Nematodes by the Wind
J Nematol
The possible effectiveness of atmospheric transport of nematode forms (dry larvae or eggs) as a means for introducing new species to a given environment is examined. Given the measured sedimentation velocities for a range of forms (0.1 ≥ Ws ≥ 0.6...
PubMed
Plume divergence characterization for electric propulsion via standard deviation and emittance
J Elect Propuls
Electric propulsion systems require careful consideration of plume divergence and evolution over a range of operating conditions and environments. Existing means of describing plume divergence such as outlines, plume profiles, and snapshots of the pl...
PubMed
Airborne spread of foot-and-mouth disease in Saskatchewan, Canada, 1951-1952.
Can J Vet Res
Farms affected with foot-and-mouth disease during the epidemic in Saskatchewan, in 1951-1952, for which the origin of virus was not known or uncertain, were studied to determine if infection could have been introduced by the airborne route. A short-r...
PubMed
An emerging plume head interacting with the Hawaiian plume tail
Innovation (Camb)
The Hawaiian-Emperor seamount chain has shown two subparallel geographical and geochemical volcanic trends, Loa and Kea, since ∼5 Ma, for which numerous models have been proposed that usually involve a single mantle plume sampling different composi...
PubMed
Relating Multi-Scale Plume Detection and Area Estimates of Methane Emissions: A Theoretical and Empirical Analysis
Environ Sci Technol
[Image: see text] Surface emissions of atmospheric trace gases like methane are typically inferred through two methodologies: plume detection and area-scale estimation. Integrating these methods can enhance emission monitoring but remains challenging...
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