• 利用底盘测功机模拟道路滑行试验测定汽车的传动系阻力轮胎滚动阻力它们速度影响系数

    A coasting performance test is simulated on a chassis dynamometer, the transmission resistance, rolling resistance of wheels and their speed factors are measured.

    youdao

  • 采用多车速滑行试验功率段法计算结果进行验证证明了采用两段滑行试验法计算汽车滚动阻力系数和空气阻力系数的正确性

    Then, multi-ample coasting-own data and power calculation method were applied to verifying the results. The results show that the two-stage coast-down test method is correct and feasible.

    youdao

  • 改建波音747型飞机到高处而且用于进场滑行着陆试验

    It was carried aloft by a converted Boeing 747 and used solely for glide-approach and landing tests.

    youdao

  • 试验结果表明QH 4型汽车节能滑行对各种车型道路条件具有显著节油效果

    The testing results proved that the QH4 saving energy coasting device has a remarkable fuel-saving effect to any model of motor vehicles and at any road condition.

    youdao

  • 通过模型试验,对台阶式溢洪道滑行水流压强特性进行了研究探讨了台阶上时均压强的产生变化规律

    The characteristics of time average pressure of skimming flow in stepped spillway are studied through experiments, and the law of occurrence and transformation are discussed.

    youdao

  • 对深V型滑行模型进行衰减实验正横规则横摇运动实验,讨论了处理试验数据时所面临的一些问题

    The roll decay test in still water and roll tests in regular waves at zero speed on model of a deep-Vee planing craft are conducted, and problems arising from the data processing are discussed.

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  • 中国船舶科学研究中心拖曳水池通过滑行模型自航试验研究了艇底气滑行推进性能影响,结果表明:气层采用水螺旋桨推进的滑行推进性能的影响不大。

    The effect of bubbly layer on propulsion performance of planing craft is investigated by means of self-propelled model experiment in the towing tank of China Ship Scientific Research Center.

    youdao

  • 中国船舶科学研究中心拖曳水池通过滑行模型自航试验研究了艇底气滑行推进性能影响,结果表明:气层采用水螺旋桨推进的滑行推进性能的影响不大。

    The effect of bubbly layer on propulsion performance of planing craft is investigated by means of self-propelled model experiment in the towing tank of China Ship Scientific Research Center.

    youdao

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