نتایج جستجو برای: atmospheric dispersion model aermod

تعداد نتایج: 2209129  

2010
Patricia Beeson Lara Shore-Sheppard Tara Watson

It has long been recognized that average wages vary strikingly across regions and urban areas, in part due to differences in local amenities and fiscal policies. However, analogous differences in wage dispersion remain relatively unexplored. We develop a model suggesting that, after accounting for individual characteristics, wage dispersion across income groups should reflect differences in the...

2011
Diogo Bolster Marco Dentz Tanguy Le Borgne

[1] In this technical note we study mixing in a two‐dimensional linear shear flow. We derive analytical expressions for the concentration field for an arbitrary initial condition in an unbounded two‐dimensional shear flow. We focus on the solution for a point initial condition and study the evolution of (1) the second centered moments as a measure for the plume dispersion, (2) the dilution inde...

2015
Colin Gurganus Raymond Shaw Alex Kostinski Ravi Pandey

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xxix 1 Background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Atmospheric Nucleation . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Nucleation Theory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.2.1 Nucleation Rate . . . . . . . . . . . . . . . . ....

2009
Murat Ahat Sofiane Ben Amor Marc Bui Michel Lamure Marie-Françoise Courel

Pollution in metropolitan cities has become a serious problem, resulting in poor living conditions and serious health problems. Pollution being qualified as a complex system, we propose a multi-agent approach to model and simulate it, so that we could study, analyze and predict it better. As in the early stage of the project, we have some successful experiments and attempts to integrate the mat...

2014
N. Muda M. H. Boosroh

This paper investigates the synergistic interaction in a gasification of coal and petcoke blends in a 150 kWth pilot scale gasification plant. Petcoke was used either in combination with coal or separately to produce syngas in an atmospheric fluidized bed gasifier using air as gasifying agent. Syngas composition and carbon conversion efficiency were recorded and calculated. The results show tha...

2004
B. Keilhauer

The longitudinal profile of extensive air showers is sensitive to the energy and type/mass of the primary particle. One of its characteristics, the atmospheric depth of shower maximum, is often used to reconstruct the elemental composition of primary cosmic rays. In this article, the impact of the atmospheric density profile on the reconstruction of the depth of maximum, as observed in fluoresc...

Journal: :Thermal Science 2023

A significant part of the population in Serbia relies on central heating systems during winter months, with around fifty plants operation across country. Common fuels used these primarily include fossil such as fuel oil and natural gas. Combustion some leads to emissions air pollutants. This study evaluates impact quality two boilers at Valjevo city (Serbia) plant. Air were measured separately ...

2010
David A. Swayne Wanhong Yang A. A. Voinov

Odour emission from landfill areas has a high potential to cause significant annoyance to people living in their surroundings. In order to avoid odour nuisance, it is crucial to select the best location in the project phase of these facilities. In the present work, two approaches of the Gaussian atmospheric dispersion model were employed to predict odour impact from a projected landfill area an...

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