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Due to factors that the wiper swing frequency does not match the structure of the waterguiding channel and the air conditioning (AC) external circulation inlet, some vehicle models under rainy conditions experience water droplets or even water flow entering the AC system through the inlet, leading to the unpleasant odors from the air conditioning, and even water leakage into the passenger compartment, causing serious perceived quality issues. By employing the SPH method considering wiper movement, body posture, and the effects of airflow conditions, the paper uses PreonLab software to simulate a vehicle in rainy scenarios to address the water management issues. By adding a baffle at the position of the AC external circulation inlet, the entry of the rainwater into the AC system is significantly reduced, and this solution is verified through the real vehicle tests under rainy conditions. The proposed method can find and rectify the unreasonable flow path designs for vehicles in the rainy scenarios during the development stage without relying on real vehicle tests. The method can also be applied to other performance quality control of vehicle water management, such as wading and rain pollution.
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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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