نتایج جستجو برای: reactivity based emission inventory
تعداد نتایج: 3160189 فیلتر نتایج به سال:
Emissions of air pollutants in and around urban areas lead to negative health impacts on the population. To estimate these impacts, it is important to know the sources and transport mechanisms of the pollutants accurately. Mexico City has a large urban fleet in a topographically constrained basin leading to high levels of carbon monoxide (CO). Large point sources of sulfur dioxide (SO2) surroun...
Volatile organic compounds (VOCs) in the atmosphere play significant roles in secondary organic aerosol (SOA) and ground-level ozone (O3) formation. Emission inventories of biogenic VOCs (BVOCs) and anthropogenic VOCs (AVOCs) for 2013 in China were developed at a spatial resolution of 36km×36km. The monthly emission inventory of BVOCs were established using MEGAN2.1 driven by WRF model, based o...
Air quality simulation and forecasting is a complex problem that involves the knowledge of meteorological factors, chemical processes and emission inventories. In the real atmosphere all of these aspects are coupled in an intricate pattern, with time scales that may be much less than the scales involved only in meteorology. Another crucial point is the estimation of the emission inventory that ...
This study is the first in a series of papers that aim to develop high-resolution emission databases for different anthropogenic sources in China. Here we focus on on-road transportation. Because of the increasing impact of on-road transportation on regional air quality, developing an accurate and high-resolution vehicle emission inventory is important for both the research community and air qu...
In this paper, a numerical study is performed to provide the combustion and emission characteristics resulting from fuel-reactivity controlled compression ignition (RCCI) combustion mode in a heavy-duty, single-cylinder diesel engine with gasoline and diesel fuels. In RCCI strategy in-cylinder fuel blending is used to develop fuel reactivity gradients in the combustion chamber that result in a ...
Introduction Conclusions References
generally ordering policies are done by two methods, including fix order quantity (foq) and fix order period (fop). these methods are static and either the quantity of ordering or the procedure of ordering is fixing in throughout time horizon. in real environments, demand is varying in any period and may be considered as uncertainty. when demand is variable in any period, the traditional and st...
Engineering estimates of methane emissions from natural gas production have led to varied projections of national emissions. This work reports direct measurements of methane emissions at 190 onshore natural gas sites in the United States (150 production sites, 27 well completion flowbacks, 9 well unloadings, and 4 workovers). For well completion flowbacks, which clear fractured wells of liquid ...
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