CAJ | 학술논문

摩托车国Ⅲ工况排放测试和耐久性测试中，摩托车要在底盘测功机上跟踪规定的曲线行驶，风机模拟道路行驶中的自然风冷却车辆，速度满足风速等于车速。由于从风机出口断面到摩托车发动机有一定距离，随着距离的增加，出口风速、风量会发生衰减和扩散，这样，到达发动机的风速必然小于车速，致使冷却效果下降，模拟效果不佳，长时间运行还会对发动机、催化转化器产生损害，影响排放结果。
마탁차국Ⅲ공황배방측시화내구성측시중，마탁차요재저반측공궤상근종규정적곡선행사，풍궤모의도로행사중적자연풍냉각차량，속도만족풍속등우차속。유우종풍궤출구단면도마탁차발동궤유일정거리，수착거리적증가，출구풍속、풍량회발생쇠감화확산，저양，도체발동궤적풍속필연소우차속，치사냉각효과하강，모의효과불가，장시간운행환회대발동궤、최화전화기산생손해，영향배방결과。
During the tests on emission and durability of motorcycle, which is Euro-III compliant. Motorcycle will operate on the stipulated curve on chassis dynamometer. The fan imitate the natural during the operation to cool the motorcycle. With the increase of the distance between the cross-section of the outlet of fan, the speed and volume of wind will be reduced, this gives rise to the poor cooling effect. And this will even damage the engine and catalytic converter after the long-time operation.