结果表明:田面有泥浆薄层时船体滑行阻力将大大降低。
The results indicate that the sliding resistance is greatly reduced by the lubrication effect of a thin film plaster on the soil surface.
文中列出的阻力系数值可供预测同类条件下的船拖船体滑行阻力时参考。
The resistance coefficients presented in this paper can be used as the reference to predict the sliding resistance of floating boat under similar conditions.
在进行高山滑雪运动时,雪板与雪地之间的摩擦力、空气阻力以及推雪阻力都是影响高山滑雪运动员滑行阻力的主要因素。
In the alpine skiing, the primary determinant influencing the skiing resistance includes the friction between snowboard and snow, the air resistance and the counterforce from pushing snow.
更有效的滑行、减少阻力,可以降低对运动员至关重要的须臾的比赛用时。
Gliding more efficiently, with less drag, can cut vital fractions of a second from a swimmer's time.
而轮胎气压过低,与道路接触面过大就会增加阻力,影响滑行。
And the tire pressure is too low, and the road surface is too large will increase the resistance, the impact of sliding.
利用底盘测功机模拟道路滑行试验,测定出汽车的传动系阻力、轮胎滚动阻力及它们的速度影响系数。
A coasting performance test is simulated on a chassis dynamometer, the transmission resistance, rolling resistance of wheels and their speed factors are measured.
说明了在滑行艇阻力预报中常被忽视的艇形概念及其重要作用。
The concept of hull shape, which is often neglected in resistance prediction of planing hulls, and its important role are discussed.
利用遗传算法建立的船型参数优化方法,能够得到设计范围内的最优解,使设计的滑行艇阻力最小。
Genetic algorithms are used to optimize ship form parameters to get minimum resistance planing boat hull form.
提出了滑板在湿软土壤中滑行时,气幕条件下的阻力和减阻率的数学模型。
Two mathematical models are presented to depict the resistance and the resistance-reduction rate in an air curtain between soil and slide moving on a moist and soft ground.
我们再次提到了长线滑行,最小的阻力使你的每次出发都有滑得更远。
Again, we're talking about that long line, the least amount of resistance is going to get you further on every pull-out.
它决定了你产生了多大的阻力,你的动作有多快与你能滑行得多好。
It determines how much drag you produce, how quickly you can stroke and how well you glide.
采用多车速滑行试验法和功率法对两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.
采用多车速滑行试验法和功率法对两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.
应用推荐