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The paper presents an attempt to evaluate the wear of piston-cylinder assembly with the aid of a vibration signal recorded on spark ignition (SI) engine body. The subject of the study was a four-cylinder combustion engine 1.2 cubic dm. Diagnosing combustion engines with vibration methods is especially difficult, due to the presence of multiple sources of vibration interfering with the symptoms of...
The article presents an attempt at evaluating the state of engine operation under a simulated shortage of fuel inflow to individual cylinders. The object of research was a four-cylinder 1.2 cubic dm capacity combustion engine. The vibration acceleration signals registered on the engine block ZI were assumed the source of information on the engine condition. In case of diagnosing combustion engines...
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