Development of a methodology for calculating the integral toxicity of exhaust gases of a diesel engine running on alternative fuels

Abstract

Abstract Currently, most methods for assessing the content of harmful substances in the exhaust gases (EG) of diesel internal combustion engines (DICE) differ in research programs that simulate the most significant operating modes of a tractor or motor vehicle DICE in ordinary operating conditions. And to assess their toxicity, such different methods are used as a study under steady-state operating modes that ensure the constancy of the performance of a DICE, and its study under changing parameters in transient modes. DICE of tractors, self-propelled agricultural machines and other off-road equipment are tested at a stand equipped with a loading device and measuring instruments for monitoring tests and collecting data necessary for processing test results. Emissions are determined during the sequential operation of the DICE at steady-state modes. Each mode has its own weighting coefficient, which characterizes the contribution of this mode to environmental pollution during the operation of a DICE.