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In present research, the combustion of CNG is simulated using the kinetic reaction mechanisms in Internal Combustion (IC) engines. These mechanisms are primarily investigated to predict the formation of gaseous pollutant such as Carbon monoxide (CO), Oxides nitrogen (NO & NO2) and ammonia (NH3) due to combustion of CNG in IC engine. In spite of the existence of some discrepancies among the simulation profiles, Mechanism-IV (consisting of 208 elementary reactions & 72 species) exhibits the closer agreement with the experimental data under the given engine operating conditions. This mechanism...

Production of reactive belite cement from pozzolanic materials by sol-gel technique is economical due to low energy requirement. Accordingly a great interest exists in the development of technology for commercial production. Among various pozzolanic materials, good quality rice husk ash is attractive due to its high pozzolanicity. The present research was undertaken to investigate the development of belite cement from locally available rice husk agriculture waste. Rice husk ash with low carbon and low silica crystal contents is reactive in calcium hydro silicate systems. To this end...