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Two Methods for Improving Torque of a Diesel Engine in the Low Speed Range

机译:两种用于在低速范围内改善柴油发动机扭矩的方法

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It is desirable for engines to produce high torque in lower speed ranges. Such conditions are encountered when vehicles climb gradients. Two techniques are compared in this paper along with their merits and demerits to improve torque of a CI engine for lower speeds. The first method increases swirl at lower speed whereas the second method uses a combined charging system to improve airflow rates. Matching of turbocharging equipment with diesel engine throughout the operating speed range has also been discussed in this paper. Combining both methods, provides excellent torque characteristics at lower speeds without increase in smoke and other emissions. This improves driveability of the vehicles.
机译:希望在较低速度范围内产生高扭矩的发动机。当车辆爬升梯度时,遇到这种情况。在本文中比较了两种技术以及它们的优点和缺点,以改善CI发动机的扭矩以降低速度。第一种方法在较低速度下增加涡流,而第二种方法使用组合的充电系统来改善气流速率。本文还讨论了在整个运行速度范围内与柴油发动机的涡轮增压设备的匹配。两种方法组合,在较低的速度下提供出色的扭矩特性,而不会增加烟雾和其他排放。这改善了车辆的可驾驶性。

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