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The pulverized coal combustion in O2/CO2 atmosphere is one of the promising new technologies which can reduce the emission of carbon dioxide and NOx. In this study, a three dimensional mathematical multiphase CFD model has been developed to simulate the combustion characteristics of pulverized coal in the atmospheres of O2/CO2. It was observed that the combustion characters of pulverized coal show...
The large-diameter flat serpentine finned tube is often used in direct air-cooled condensers. The distribution of the air velocities and the temperatures in the serpentine finned tube were analyzed by using three-dimensional numerical simulation methods. The heat transfer coefficients in finned tubes were obtained, which were subsequently used to fit the relational formulas of the heat transfer coefficients...
The article researches the performance of the diesel engine adopting variable composition air using numerical simulation and experimental methods. The mechanism of NO formation has been validated. At the same time the experiment and numerical simulation show that it is useful to lessen the diesel NO emission owing to adopting NEA (nitrogen-enriched air) technology and nitrogen concentration need not...
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