制动功率是制动时制动器在单位时间所做的功。 制动功率是发动机在试验台架上实际测得的发动机输出的功率。因早期的试验台架测功装置为一种制动器,故名。一般用制动功率表示发动机在全负荷运转时输出的有效功率。由于在不同转速下输出的有效功率不同,因此发动机的制动功率必须标明相应的转速。
制动功率高,制造成本低,维修方便。
The braking power is high, the manufacturing cost is low, and it is convenient to repair.
按照制造厂指引,主机制动功率应由主轴转速、喷油泵齿条刻度和燃油特性等进行计算。
The main engine brake horse power to be calculated by main shaft revolutions, load indicator notch, properties of fuel oil etc., in accordance with manufacturer's recommendations.
普遍来说,六成的制动功率分配给前轮,原因前轮是在减速过程中负荷量发生变化,承担降低冲撞力的功能。
Under normal operation about 60 percent of braking power goes to the front wheels which, because of load transfer under deceleration, take the brunt of the retardation duties.
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