Operation tests of an engine supplied with alternative fuels, working as a distributed generation device

Adrian Chmielewski, Robert Gumiński, Tomasz Mydłowski, Artur Małecki, Krzysztof Bogdziński


This works discusses the test performance of a HONDA NHX 110 engine supplied with RON 95 engine fuel and alternative fuels, including: Compressed Natural Gas (CNG) and biogas. The tests were conducted for various ignition advance angle values. Tests and analyzes were performed on the basis of several hundred work cycles at maximum engine load on the authors’ own low capacity, dynamometer testing unit at the Faculty of Automotive and Construction Machinery Engineering. To analyze the test results in their statistical rendering, use was made of measures such as kurtosis, coefficient of variation, asymmetric coefficient, probability density function among others. The research determined the repeatability of a performed experiment and how selected operation parameters (ignition advance angle, fuel type) influence the repeatability of measurements. The use of alternative fuels to power a low-power spark-ignition combustion engine was also analyzed in this work in the context of its use as a distributed generation device, particularly in a polygeneration system. The paper also presents and analyzes toxic compound emissions accompanying the work of the engine.


Operation tests; alternative fuels; open indicator diagram; probability density function; distributed generation; statistical analysis

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