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In this study, the silicone-oil damper of a heavy-duty diesel engine is taken as the research object, and a linear cumulative damage model of the silicone-oil damper is developed by taking silicone-oil deterioration as a damage parameter. Based on the results of mixed cycle and load cycle durability engine bench tests, the life model of the damper is calibrated. Combined with the measured road load spectrum, the service life of the silicone-oil damper in actual usage scenarios has been predicted. The results show that under the working condition of the tractor, the predicted life of the M60 damper based on mixed cycle and load cycle tests is 1.425 million km and 2.896 million km, respectively, both of which meet the requirements for engine life mileage.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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