Carbon dioxide is an important greenhouse gas and a major agent of climate change. This study quantified carbon (C) emissions from energy consumption and C storage and uptake by greenspace for three cities in middle Korea: Chuncheon, Kangleung, and Seoul. Carbon emissions were estimated using C emission coefficients for fossil fuels consumed. Carbon storage and uptake by woody plants were compu...

according to the global fuel crisis, it seems necessary to use alternative fuel instead of gasoline. since the natural gas is cheaper, have higher frequency than gasoline and less pollution, it is a suitable fuel. many efforts have been done in order to replace gasoline with natural gas. one of the methods is to inject natural gas and gasoline fuel simultaneously and to use the benefits of both...

with high energy density, which makes it useful for storage and transportation over long distances from the gas fields to the consumers. LNG is recovered from natural gas in largescale liquefaction plants. Process automation is a key issue in LNG plants to ensure cost efficient plant operation and high product quality. Process analyzer deliver important data therefore. Siemens Sensors & Communi...

Underground salt caverns are widely used in large-scale energy storage, such as natural gas, compressed air, oil, and hydrogen. In order to quickly build gas reserves, an unusual building method was established. The involves using the existing left over from solution mining of storages. 2007, it first applied Jintan Natural Gas Storage China. Based on this successful project, several were scree...

natural gas is one of the hydrocarbon resources which is consumed vastly in the world. the asian and european markets, facing with a growing demand of hydrocarbon resources especially natural gas, are the most important consuming markets. hence, the security of natural gas supply is very important. based on the estimation of gas supply security index (gssi), the amount of vulnerability of selec...

Title of dissertation: A STOCHASTIC EQUILIBRIUM MODEL FOR THE NORTH AMERICAN NATURAL GAS MARKET Jifang Zhuang, Doctor of Philosophy, 2005 Dissertation directed by: Professor Steven A. Gabriel Department of Civil and Environmental Engineering This dissertation is an endeavor in the field of energy modeling for the North American natural gas market using a mixed complementarity formulation combin...

gas compressibility factor (z-factor) is an important parameter widely applied in petroleum and chemical engineering. experimental measurements, equations of state (eoss) and empirical correlations are the most common sources in z-factor calculations. however, these methods have serious limitations such as being time-consuming as well as those from a computational point of view, like instabilit...

â â â â â â â â  abstract â  this work was supported by the academy of korean studies of the republic of korea in year 2012-2013 (aks-2010-caa-2101) energy security has assumed newfound geopolitical importance at the outset of xxi century (moran and russell, 2008). diminishing fossil fuel supplies have led to fears of energy shortages, while rapid economic and population growth have fuelled the...