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The article presents comparative results of a diesel combustion engine (AVL 5804) along with their simulation analysis. The simulation was performed using the AVL Fire 2017 software. The article focused on the indicated pressure changes in the compression and expansion strokes and on the fuel combustion process. Based on the recorded pressure characteristics in the engine cylinder and its basic construction...
The paper presents the process of modeling the phenomenon of noise propagation generated during the passage of a railway vehicle as a function of distance from the sound source. The basis for the development of models of sound propagation was experimental research. The experiment was conducted in the so-called "zero point", i.e. the location on a section of the route, where a railway road...
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