Abstract
One of the main trends in the development of modern engine building is the use of biodiesel fuel, which can lead to a decrease in the reliability of engines that are not adapted to it. However, at present there is no general method for determining the reliability of fuel systems of internal combustion engines. In this paper, a reliability model of engine fuel systems when operating on biofuel has been developed. Comprehensive indicators for assessing the reliability of diesel engine fuel systems are the coefficient of readiness and technical use. The availability factor of the fuel system when operating on biodiesel fuel without the replacement of structural materials was 0.66, while with the replacement it was 0.71, and the coefficient of technical utilization without replacement of materials was 0.36, and with the replacement of 0.4. Recommendations are given to improve the reliability of the engine fuel system components. The resulting model allows for complex comparisons of the effectiveness of various ways to improve the reliability of engines running on biodiesel fuel.
Highlights
Introduction distributed under the terms andThe efficiency of agricultural production largely depends on the performance of agricultural machinery in various operating conditions
As a result of the research carried out, for the first time, a reliability model of engine fuel systems operating on biofuel based on the Markov process was developed
The resulting model allows for complex comparisons of the effectiveness of various ways to improve the reliability of engines running on biodiesel fuel
Summary
The efficiency of agricultural production largely depends on the performance of agricultural machinery in various operating conditions. Modern agricultural machinery is a complex energy-saturated complexes, the performance of which, among other things, depends on the reliability of the engine fuel system [1,2]. The development of modern agricultural machinery is the search for alternative energy sources [3,4]. Non-fossil fuels are becoming increasingly important due to their positive impact on reducing exhaust emissions. Studies examining a wide range of biofuels, synthetic fuels, and regenerative fuels have shown that the reduction in carbon dioxide emissions is possible without major changes in the existing infrastructure of internal combustion engines of agricultural machinery [5,6]. Adaptation of modern fuel systems to new fuel types of plant or animal origin is an indispensable condition for ensuring the reliability of complex agricultural machinery [7,8]
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