Abstract
Reducing fuel consumption by any vehicle with a propulsion plant based on an internal combustion engine (ICE) has been, and is to remain one of the urgent tasks of science; the efforts of a large number of scientists from various fields of science around the world are directed towards finding the optimum solution of the problem. The current level of ICE design, has not yet reached the maximum allowable level, but has approached right up to it. And it makes it almost impossible to solve the problem of reducing fuel consumption due to the changes in the design of the internal combustion engine. The easiest way to bring about the solution of this problem is to use different types of fuel additives that affect the operation of the internal combustion engine, directly or indirectly by adjusting the various parameters of its operation. However, the effectiveness of such additives depends on many factors. The article describes the environmental and energy tests of diesel fuel modified by additives. The additives according to the properties declared by the manufacturer have a positive effect on the process of mixing and combustion in diesel cylinders thus providing much better fuel combustion, increasing fuel efficiency and reducing the amount of harmful emissions into the atmosphere. The of tests were performed using the TGM-4 shunting locomotive, with the D211standard diesel with the power of 552 kW (750 hp) in accordance with the requirements of the developed test methodology using standard methods for determining fuel consumption and controlling the concentration of harmful emissions into the atmosphere with exhaust gases. Based of on the obtained test data, calculations have been performed and their results have been analyzed. Conclusions on the prospects of using this type of additive for diesel fuel for locomotives in order to increase fuel efficiency and to reduce the concentration of harmful emissions with exhaust gases have been drawn. The effectiveness of the additive on the diesel locomotive engine work has been proved
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