نتایج جستجو برای: gas transportation
تعداد نتایج: 299891 فیلتر نتایج به سال:
We introduce the definitions of a δ-shock wave type solution for the multidimensional system of conservation laws ρt +∇ · (ρF (U)) = 0, (ρU)t +∇ · (ρN(U)) = 0, x ∈ R, where F = (Fj) is a given vector field, N = (Njk) is a given tensor field, Fj , Nkj : Rn → R, j, k = 1, . . . , n. The well-known particular cases of this system are zero-pressure gas dynamics in a standard form ρt +∇ · (ρU) = 0, ...
Convenience markets with gasoline pumps have flourished throughout the United States in the past 10 years. The growing demand for self-service gasoline and convenience grocery goods, readily accessible with fast service, have fueled a boom in the convenience market business. As transportation engineers and planners, we are asked to determine the impacts of developments on the transportation sys...
High dependence on imported oil has increased U.S. strategic vulnerability and prompted more research in the area of renewable energy production. Ethanol production from renewable woody biomass, which could be a substitute for gasoline, has seen increased interest. This study analysed energy use and greenhouse gas emission impacts on the forest biomass supply chain activities within the State o...
Hydrogen gas is thought to be the ideal fuel for a world in which air pollution has been alleviated, global warming has been arrested, and the environment has been protected in an economically sustainable manner. Hydrogen and electricity could team to provide attractive options in transportation and power generation. Interconversion between these two forms of energy suggests on-site utilization...
With the emergence of the response to climate change as a global agenda, UNFCCC member countries must report their Greenhouse Gas (GHG) emissions and absorptions. With conventional carbon emission estimation methods such as the IPCC Guideline, however, it is impossible to measure reduction of carbon emissions by U-City services. Therefore, this study proposed estimating carbon emission reductio...
RGNC: A focused Investment RGNC's activities are focused on the gathering & processing, compression, transportation (pipelines), and marketing of natural gas in some of the largest producing areas of the United States -primarily Texas, Louisiana, and Kansas. Their business model involves three revenue structures: charging transport fees based on amount of gas shipped, brokering sales from one e...
In this work, the life cycle economic and environmental optimization of shale gas supply chain network design and operations is addressed. The proposed model covers the well-to-wire life cycle of electricity generated from shale gas, consisting of a number of stages including freshwater acquisition, shale well drilling, hydraulic fracturing and completion, shale gas production, wastewater manag...
Fischer–Tropsch process (F-T) is an efficient technology to synthesize liquid transportation fuel as well as other valuable chemicals. This process is associated with hydrogenation of carbon monoxide gas in presence of transition metal catalyst to valuable liquid transportation fuels and chemicals. F-T reaction is essentially a catalytic process, and most widely used catalysts are either iron o...
a significant portion of gross domestic production (gdp) in any country belongs to the transportation system. transportation equipment, in the other hand, is supposed to be great consumer of oil products. many attempts have been assigned to the vehicles to cut down greenhouse gas (ghg). in this paper a novel heuristic algorithm based on clark and wright algorithm called green clark and wright (...
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