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In order to cope with power shortage in rural areas of developing countries and to reduce greenhouse gas emissions, we study the performance of small biogas-fueled internal combustion engines of which power is less than 5kW. In particular, the influence of compression ratio on the engine is primarily examined. By decreasing the combustion chamber volume (from 19.3cc to 16.6cc), compression ratio (from...
In a large coal-fired power plant, it is common for the multiple boilers to be of an identical design in order to reduce construction and operating costs. Despite the design and operating conditions being the same, the boilers often exhibit different combustion characteristics after being in operation for an extended period. Using computational fluid dynamics (CFD), this study diagnosed the combustion...
Biodiesel and zinc oxide nanoparticles were synthesized simultaneously using supercritical methanol. Zinc nitrate was used as the source of zinc for the formation of the zinc oxide nanoparticles, which acted as a catalyst during the transesterification of rapeseed oil. In addition, the in situ formed zinc oxide nanoparticles led to a reduction in the reaction temperature and time. The fatty acid methyl...
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