Abstract
AbstractThe article presents the bench test results of a fully instrumented, four cylinder, naturally aspirated, (60 kW) direct injection (DI) diesel engine running on the normal (class C) diesel fuel (DF) and aviation-turbine (JP-8) fuel. The article addresses changes in engine performance and exhaust emissions resulting from the replacement of commercial diesel fuel with JP-8 fuel. Investigation and comparison of the effects of the cetane number improving additive on the autoignition delay, maximum heat release rate, maximum in-cylinder pressure, performance efficiency of an engine, and exhaust emissions were provided for sound analysis of the test results. The series of engine tests were conducted running alternately on the normal diesel fuel, JP-8 fuel, and JP-8 treated with 0.04, 0.08, 0.12, 0.16, and 0.24 vol% of 2-ethylhexyl nitrate. Studies on the operating characteristics of an engine were carried out for 15–10%, 50 and 100% loads, and the two ranges of speed: 1,400 revolutions per minute (rpm), ...
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