When the experiment was repeated with a tank full of water in the bottom, the fishes’ lift-to-drag ratio rose from 4.4 to 5.5.
当风洞底部注满水,再重复实验时,飞鱼的升阻比从4.4提高为5.5。
Creating a new TAB allows you to drag a different set of metrics onto the report. To experiment with this, click Add TAB.
创建一个新的标签,您可以拖动一组不同的数据上的报告。进行实验,请单击添加标签。
The aerodynamic drag of different models at zero angle of attack in the experiment is calculated using the simplified procedure.
在零攻角实验时不同模型的空气动力阻力是采用简化方法来计算的;
Through drilling experiment in 156 adjustment Wells, the drilling behaviors, cutter wear, downhole jet flow field and drilling effect of drag bits and roller ones were comparatively analyzed.
通过156口调整井钻井试验,对比分析了刮刀钻头和牙轮钻头的钻进特性、牙齿磨损特性、井底流场特性及钻井效果。
Experiment investigation shows: The main body zero drag can be reduced by faovurable interference of jet flow. Then an optimuns afterbody configuration can be obtained.
实验研究表明,利用喷流的有益干扰,可使主弹体零阻显著下降,从而得到一种优化的后体外形。
The experiment shows that it can drag reduction and extend the discharge distance of pipeline transportation by ejecting compressed air to dredger pipeline.
分析了管道输送加气减阻的机理和延长排距的效果,在模型试验的基础上进行了实船试验。
It may obtain a special experiment aerofoil lift-drag force characteristic with this test.
通过本实验,可以测得某一特定实验机翼的升力特性和阻力特性。
The experiment results demonstrate that the balloon actuators can be used for separation delay and drag reduction to realize active flow control.
实验证明:所开发的气泡致动器可以有效地进行延迟分离,降低压差阻力,实现了主动流动控制。
The experiment results demonstrate that the balloon actuators can be used for separation delay and drag reduction to realize active flow control.
实验证明:所开发的气泡致动器可以有效地进行延迟分离,降低压差阻力,实现了主动流动控制。
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