blade element中文是什么意思

• 叶片基元
• 叶元体

• blade    n. 1.(壳、草等的)叶片，叶身，叶。 2.刀片；(安 ...
• element    n. 1.要素；成分；(构成)部分；分子。 2.【化学】 ...
• advance angle of blade element    叶元进角
• attack angle of a blade element    叶元攻角
• blade element path    叶元轨迹
• blade element theory    叶片元素理论; 叶元理论
• blade element velocity    桨叶单元速度; 叶片速度
• blade-element disk force    盘面叶元上作用力
• blade-element efficiency    叶片基元效率
• blade-element theory    叶片基元理论
• efficiency of blade element    叶元效率
• method of representative blade element    典型叶素法
• momentum blade element theory    动量-叶素锂论
• profile drag of blade element    叶元外形阻力
• propeller blade element theory    螺旋桨叶素理论
• radial blade element    径向叶素
• representative blade element    典型的叶片基元
• blade element theory of screw propeller    螺旋桨叶元体理论
• blade    n. 1.(壳、草等的)叶片，叶身，叶。 2.刀片；(安全)剃刀刀片 (＝ razor blade); 刀口，刃；刀，剑；击剑师，剑术家。 3.桨叶；(推进器的)翼；击球板；肩胛骨；【语音】舌的前部，舌面。 4.浮华少年；蛮横任性的人。 a single blade of grass 一片草叶，未吐穗。 a gay blade from the nearly 从邻区来的浮华子弟。 He is a good blade. 他刀法〔剑术〕很高。 in the blade 正在长叶子，尚未吐穗。
• the blade    断刀客; 世纪帝国的攻守城
• and element    及组件; 与元件
• element    n. 1.要素；成分；(构成)部分；分子。 2.【化学】元素；【数学】元，素；【机械工程】单元；单体；【无线电】元件；【植物；植物学】原种。 3.【电学】电池；电极；电阻丝。 4.生存环境，活动范围；本行，本领。 5.〔pl.〕原理；初步；大纲。 6.〔pl.〕自然力；暴风雨。 7.【军事】小队，分队。 8.〔pl.〕【宗教】(圣餐用)面包和葡萄酒。 the four elements (古希腊哲学家认为组成世界的地、水、火、风)四元素。 discontented elements 不平分子。 daughter element 【物理学】子元素。 control element 控制元件。 the elements of grammer 语法基础。 in one's element 在自己(活动)天地内，如鱼得水。 out of one's element 在自己活动天地外，不得其所，格格不入。 strife [war] of the elements 暴风雨。
• if-then element    蕴含元件
• is element    插入序列元件
• not and element    非与元件

• Blade element theory
  翼素理论
• The content of this paper includes the momentum ? blade element theory and cfd method which are both used to compute the aerodynamic characteristics of cooling fans
  本文分别利用结合动量?叶素理论的经典计算方法和cfd方法计算不同型号的汽车冷却风扇的流场和气动特性,并进行比较。
• In this paper , schmitz theory is applied to design the blades of a 600kw horizontal - axis wind turbine , and aerodynamic performance of the wind turbine is analyzed by the theory of the blade element
  本文应用schmitz理论设计了? 600kw水平轴风力机的叶片，同时应用叶片基元法理论分析了该风机的气动性能。
• Combined with blade element theory , the results can be used to evaluate aerodynamic characteristics of flapping wings , which are helpful for the initial design of micro rotary and flapping wing
  运用本文方法分析了各参数对翼型气动特性的影响，进一步结合叶素理论还可以估算扑翼的气动特性，进而指导微旋翼或扑翼微型飞行器的初期设计。
• In the present work , there are two methods to design the shrouded - propeller . one is based on the blade element and momentum theory , the other is based on the ufbng - line ( surface ) theory derived from circumfluence theory
  在实际工作中，函道螺旋桨的设计有两种方法，一种是基于叶素理论与动量定理的工程方法；另一种是基于升力线(面)方法的环流理论方法。
• A method presented for designing diagonal impeller blading from blade elements defined on cones which pass through the blade - edge streamline locations . the staking line for the blade elements can be leaned in both the axial and tangential directions
  叶片造型分为基元叶片确定及沿叶高的积叠方式，在叶片积叠过程中，考虑了气动力以及离心力力距对叶片积叠点的影响。
• Based on the researches of shell and co - axial rotors , the aerodynamic characteristics of the helicopter in hovering are studied by means of the combination of momentum theory and blade element theory in this paper . an aerodynamic mathematical modeling has been established
  在以上研究的基础上根据碟形无人直升机的设计要求，选择了该直升机的结构型式和总体参数，并对其性能进行了计算。
• The main object of this paper is to design a diagonal impeller , which requires small size and high rotating speed the first step of design is to solve the radial distribution of parameters at the inlet and outlet of the blade , such as pressure , temperature and velocity . and then , according to the radial distribution , we can design the diagonal impeller blade . blade elements are defined on a cone , which pass through the blade edge streamline location
  其设计思想是采用准三维设计方法，先进行二维流场计算，在叶片轴向间隙中设立计算站，应用数值计算方法计算叶片前后缘的压力、温度、速度等参数沿叶高的分布，然后根据这些参数，选取若干个回转面进行叶型设计；再将各回转面上得到的基元叶型沿某一个积叠轴积叠起来形成三维叶片，最后对得到的三维叶片进行试验，并对实验结果进行分析比较。
• Abstract : concerning the models for discribing aerodynamic stability of axial flow compressor , the original model is one - dimensional , and it is reasonable for the onset of surge only . for the onset of rotating stall , there are just some two - dimensional models at published literatures . a three - dimensional aerodynamic of compressor has been presented in this paper . an aerodynamic stability model concerning radial disturbance of compressor is presented . the calculated results show that the occurrence of radial disturbance is related to the axial velocity disturbance , which has important effect on aerodynamic stability of compressor . the position of onset of stall , in blade tip or hub , is dependent upon the characteristics of blade element . the comparisons of calculated results predicted by 2d and 3d aerodynamic stability model have also been made in this paper
  文摘:轴流压气机的气动稳定性模型，最初为一维模型，仅适用于描述喘振发作.对于旋转失速发作，在公开文献中有一些二维模型发表.本文提出了一类考虑压气机径向扰动对失速影响的新的气动稳定性模型.计算结果表明压气机的轴向扰动往往随着径向扰动的产生，径向扰动的强度影响压气机的气动稳定性，在叶尖还是叶根首先产生失速与压气机基元叶栅特性密切相关.本文对轴流压气机二维和三维气动稳定性模型的计算结果进行了对比分析
• Finally , the results from the two different calculation methods of the momentum ? blade element theory and the cfd are compared with the experimental data , indicating that the results from the momentum ? blade element theory with certain correction compare well in general with the experimental data , and that the cfd results are also in agreement with the experiment to some extent
  最后,本文将风扇在不同转速下的两种计算方法得出的结果与实验数据作了比较,结果表明,结合动量?叶素理论的经典计算方法得到的结果通过一定的修正,总体上与实验结果吻合得较好;用fluent计算得到的结果与实验数据相比,基本上也很接近。

• blade elementとは意味：blade element 翼素[機械]