查询词典 airfoils

The purpose of this paper was to validate the effects of airfoil thickness ratio on the characteristics of a family of airfoils.

中文摘要：本文采用不同的方法验证了相对厚度对机翼气动特性的影响。

Studied the flow problems of common airfoils under the effect of multi-slot jets with high angle of attack.

研究了普通翼型在多喷口吹气作用下的大攻角绕流问题。

Today we can calculate airfoils which maximize the length of the laminar boundary layer.

今天，我们可以计算翼型，其中最大的长度的层流边界层。

The paper expresses aerodynamic optimization design of lower Reynold number high-lift airfoils using genetic algorithm,wind-tunnel experimental of design airfoil tests correctness of design.

利用遗传算法进行了低雷诺数高升力翼型的气动优化设计，并利用风洞实验检查了设计的正确性。

A simplified model of wet steam equilibrium flow past cascade of arbitrary airfoils on general surface of revolution is presented.

提出了一个通过任意谈成面叶棚的湿蒸汽平衡态流动的简化模型。

The land vehicle that is defined in claim 11, wherein said airfoil system includes at least three substantially vertical airfoils, said one airfoil being located essentially in a vertical plane containing the longitudinal axis of the vehicle, and the other two vertical airfoils being located at generally parallel relation to said one airfoil on opposite sides thereof rearwardly of the center of gravity of the vehicle.

土地车辆是指在索赔11 ，其中说，翼型系统，其中至少有三个大大的垂直翼型说，一翼型位于基本上是在一个垂直平面载有纵向轴的车辆，和其他两个垂直翼型正位于普遍平行的关系说，一翼型对对立面存在的rearwardly该中心的重心的车辆。

A wind- and motor-powered land vehicle with a fore-and-aft longitudinal axis comprising a body supported by wheels, at least one of said wheels fixed to rotate in a plane parallel to the fore-and-aft axis of said vehicle, an airfoil system comprised of two vertically extending airfoils rigidly mounted on said body in an arrangement having bilateral symmetry about a vertical plane through said fore-and-aft axis, said airfoil system providing a forward propelling force of said vehicle when the airfoil system is subjected to certain cross wind conditions, and self-contained motor propulsion means on said vehicle for providing acceleration from a stationary position and for propelling the vehicle either independently or in combination with propelling forces generated by wind action on said airfoil system, each airfoil having a plurality of airfoil sections telescopically fitted together, the lower airfoil section being rigidly mounted in fixed relationship to said body, said airfoil system including a retracting mechanism for lowering upper airfoil sections of said airfoil system when desired and for subsequently extending said airfoil system, said retracting mechanism including a plurality of linkages interconnecting said sections and an actuator means operatively connected between said body and to said linkages for lowering and extending each airfoil, and an intermediate airfoil extending between the upper sections of each of said airfoils so as to provide an inverted U-shaped airfoil.

风力和电动机驱动的陆地车辆与前列和尾部长轴组成的一个机构的支持，车轮，至少有一说，车轮固定在一个旋转平面平行的前列和前后轴的说，车辆，翼型系统组成的两个垂直扩展翼型硬性安装在说，机构在安排后，双边对称约一垂直面说，通过国内外和前后轴，表示翼型系统提供了一个向前推进的力量说，车辆时，翼型系统是受到某些横风条件下，和自我载电机推进的手段就表示，车辆提供加速从一个固定的立场和为推进车辆单独或结合，与推进力量所产生的风的行动表示翼型系统，每个机翼有一个多元化翼型第telescopically装在一起，较低的翼型节被硬性安装在固定的关系，说身体，说翼型系统包括一个撤消的机制，降低上翼型章节说，翼型系统时，理想的和其后再将说，翼型制度，说收回机制包括多元化的联系互连说，部分和一个致动器的手段手术之间的连接说，身体和说，联系降低，并延长每翼型，及一个中间翼型延长之间的路段上的每说翼型，以便提供一个倒U -形翼型。

Technical requirements and optimization strategies in designing wind turbine airfoils are discussed in this paper,and an optimization tool is developed. Researches on multi working points optimization for wind turbine airfoils with high lift-to-drag ratio are carried out.Simulation results show that the optimization strategy developed is of great use in wind turb...

论文综述了风力机翼型开发需求及其相关的优化算法，并且建立了专门用于风力机翼型开发的优化平台，通过采用CFD方法，进行了高升阻比风力机翼型多工况点优化开发的研究，结果表明，作者使用的方法可以完成新型风力机翼型优化设计。

The free flight airfoils were highly under cambered airfoils without many thoughts of penetration.

自由飞行的翼型给予高度评价，根据cambered翼型没有很多想法的穿透力。

Besides the Selig airfoils, I'll present or introduce you to some often used airfoils from Germany and some that is not so well known yet.

除了塞利格翼型吧，我现在还是为您介绍一些常用的翼型由德国和一些人认为，是不是太有名了。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。