G0701-2-2 An experimental study of reduction of combustion products for small diesel engine with mixing fuels

Abstract

Nowadays, the global environmental problems, such as air pollution and global warming, and the global energy problems, such as drain of crude oil, become very serious. Internal combustion engines are main causes of these problems. So, it is necessary to achieve low emissions and low fuel consumption for internal combustion engines. Especially, in automotive diesel engines, low-particulate and low-NO_x emissions are very much needed by using blend fuels and emulsified hydrocarbon fuels. As the first step in this study, experiments have been carried out to determine the influence on combustion characteristics and NO_x, CO, CO_2 emissions for small diesel engines by using emulsified vegetable-light oil. The main conclusions are as follows: 1) The maximum burning pressure of emulsified vegetable-light oil is higher than that of blend fuel. 2) The CO emission of emulsified vegetable-light oil is lower than that of emulsified light oil. 3) The NO_x emission of emulsified vegetable-light oil is lower than that of light oil.