107 小型漁船用機関のピストン-クランク機構における異常時の動特性解析(セッション2 評価・診断II)

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  • 107 Dynamic Characteristic Analysis in the Abnormal Condition on Piston Crank Mechanism for Small Fishing Boat Engines

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Small fishing boats meet marine peril associated with engine damage on account of insufficient maintenance and aggressive operation in Japan. This research gains resurgence of dynamical features of a dynamical model under abnormal condition generated small fishing boat engine. Because, it's absolutely essential that comprehension of dynamic characteristics against abnormal condition, of development mechanism abnormal signal based on vibration generated in fishing boat engines. Furthermore, relevance of the dynamical model has been verified by using an actual four cycle glow engine under abnormal conditions in experiment. Dynamically reproduced abnormal conditions in fishing boat engine are a spot flaw on cylinder liner and torque rich condition which is generated, when over load operation acted on small fishing boat engine.

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