The improved vortex lattice method is used to predict the ground effect on wake roll-up behind a lifting surface.
用该方法研究了近地升力面尾涡卷起的地面效应。
And the conclusions are valuable for wing root joint designs such as those of ground effect aircraft or light airplane.
得出的结论对于类似的地效飞行器或轻型飞机翼根连接设计具有一定参考价值。
The simulation results provide theoretical basis for the design and optimization on the crafts of wing in ground effect .
研究结果为地效飞行器的设计与优化提供理论依据。
Aerodynamic characteristics of 2d wing in viscous flows in the presence of ground effect were investigated by CFD techniques.
本文采用CFD技术，对存在地面效应时二维机翼在粘性流场中的空气动力特性进行了研究。
Image method ideal vortex model is used for the analysis of how ground effect impacts wingtip vortex and airflow downwash angle.
采用镜像法理想涡模型分析了地面效应对翼尖涡位置和气流下洗角的影响；
The results of the simulation may provide a theoretical basis for the design of height lift devices of large aircraft in ground effect.
该文研究结果可以为大型飞机的增升装置地面效应设计提供参考依据。
Three-dimensional turbulent boundary layer on the ground board is measured through the ground effect tests of a delta wing with aspect ratio 3.
本文通过一个展弦比为3的三角形机翼的地面效应试验，测量了地板上的三元紊流附面层。
The horizontal tail wing of the wing-in-ground effect craft has the advantages of great ascensional force, small area and low production cost.
这种地效翼船水平尾翼，升力大、面积小、生产成本低。
The theory of ground-effect vehicles goes back to the 1920s, when Carl Wieselsberger, a German physicist, described how the ground effect works.
关于地效飞行器的原理可以追溯到20世纪20年代——当德国物理学家卡尔*威尔斯贝格描述出地效原理的特点时。
The performance and flows of 2-D Wing-In-Ground Effect are numerically simulated by solving RANS equations using an implicit finite difference method.
本研究以隐式差分方法求解不可压RANS方程，对二维地效应翼的性能及周围流场进行数值模拟。
Then, the advantage and shortcoming of two recent methods of flight test for ground effect, and the technical problems in implementation, are review emphatically.
然后，着重评述现有两种典型地面效应试飞方法的优缺点及其实施中的技术问题。
Ground effect machines (hovercraft), convertiplanes or aircraft that hover by means of propeller slipstream (s) deflected downward are not considered to be helicopters.
地面效应装置(如气垫船)，倾斜旋翼机或任何依靠螺旋桨所产生向下的滑流而悬浮的航空器，皆不属于直升机。
The snow, which blankets the ground in the winter, actually has an insulating effect on the soil beneath it.
冬天覆盖在地面的雪，实际上对下面的土壤有隔热作用。
This effect is expected to be so small that it is beyond practical experience and ground laboratory measurement.
据预测，这一效应非常小，以至于超越了实践经验和地面的实验室测量手段。
This small action will generate new possibilities and cause a ripple effect that will change the ground and build your momentum.
这一微小行动将会产生新的可能性和一系列涟漪效应，从而从根本上改变现状，重建自身动力。
Altitude determines the distance shock waves travel before reaching the ground, and this has the most significant effect on intensity.
飞行高度决定了冲击波到达地面所需要行进的距离，它对冲击波强度的影响是最大的。
One essential tool is adaptive optics technology, which, in effect, takes the twinkle out of the stars, thus providing sharper images from telescopes on the ground than would otherwise be possible.
一个重要的工具就是自适应光学技术，实际上就是通过地面上的望远镜将恒星的闪耀去除，从而比采用其他方法能提供更为明显的图像。
The ceiling of 'the Ground' is carefully up-lighted creating a floating effect to the mass above and give a cozy atmosphere to the area.
“地面层”的天花板是巧妙设计的灯带，为上边的楼层创造出漂浮的效果，并给整个区域营造了一个温馨的氛围。
Because of having high efficiency, energy saving, little effect on environment and steady operation, water source heat pump and ground source heat pump are promising in Guiyang.
水源热泵和地源热泵由于具有高效节能、对环境影响小、运行稳定等特点，在贵阳地区很有发展前途。
Supports to the ground are disguised as table legs and doorframes to achieve a "lifted" effect.
地面上的支撑是则设计成成桌腿和门框，实现“解除”效应。
Stone is everywhere on the ground and gives the effect that the basins were entirely excavated into rock.
地面随处可见的石头，并带来水池挖掘到都是岩石的效果。
The building walls are tiled on the ground floor, bringing a base effect, with a different texture and brightness.
该建筑一层的墙面贴上了瓷砖，带来了基数效应，并使用不同质感和亮度的瓷砖。
A contemporary effect is achieved with the use of ancestral resources such as handcrafted clay bricks made at the same location with clay soil from the ground.
现代建筑的效果的实现，得益于对祖先传承下的资源的应用，比如手工制作的黏土砖是由当地的土壤制作而成的。
This paper analyzed the effect of shielding between hollow grounding devices and between hollow grounding device and ground grid.
并通过模拟试验分析了接地坑、自然水对降低空腹式接地装置的接地电阻的作用。
In Xi 'an area, because the groundwater has excessively been exploited, the press-dense effect of strata appears so that the ground subsides and the gravity value increases sharply.
西安地区由于过量开采地下水，引起地层压密效应，造成地面急剧下沉与重力值急剧增加。
Objective: To investigate the effect of shoe heel height on the ground reaction force and the center of sole force.
目的：通过研究女性行走时地面反力和鞋底压力中心，探讨鞋跟高度对地面反力和鞋底压力中心的影响。
Objective: To investigate the effect of shoe heel height on the ground reaction force and the center of sole force.
目的：通过研究女性行走时地面反力和鞋底压力中心，探讨鞋跟高度对地面反力和鞋底压力中心的影响。
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