high-lift profile 中文意思是什麼
high-lift profile
解釋
高陞力翼型-
As the cam profile with constant - velocity - constant - acceleration ramp feature and with continuous higher derivative lift feature is widely adopted in the advanced high - speed internal combustion engines, the cam ramp profile is fitted with a reasonable function and the cam - lift profile is fitted with a polynomial function
考慮到高速內燃機的凸輪大多採用具有等加速-等速特徵的緩沖段和高階導數連續特徵的工作段型式,用等加速-等速函數擬合緩沖段實測升程數據,用整體式高次多項式函數擬合工作段實測升程數據。
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