critical wind velocity
英 [ˈkrɪtɪkl wɪnd vəˈlɒsəti]
美 [ˈkrɪtɪkl wɪnd vəˈlɑːsəti]
网络 限界风速
双语例句
- The aerodynamic critical instability wind velocity of three-dimensional membrane structures is studied by combining the non-moment theory of thin shallow shells and the potential flow theory in fluid mechanics.
将扁壳的无矩理论和流体的理想势流理论结合起来对薄膜结构的气弹动力稳定性进行了研究，提出了结构失稳的判别准则，确定了结构失稳临界风速。 - Aimed at horizontal tunnel model with the same width and different heights, using CFD technology, influences of environmental temperature, fire heat releasing strength, section shape on critical wind velocity were analyzed.
针对2种等宽度、不等高度的水平隧道模型，借助CFD技术分析了环境温度、火灾热释放强度、断面形状对临界风速的影响。 - Considering the evident geometrical nonlinearity of cable-dome and the supposition that aerodynamic force is constant, a new method is put forward to calculate the critical wind velocity.
针对索穹顶结构强几何非线性的特点和弛振分析气动力准定常的基本假设，提出了用迭代思想求解结构驰振临界风速的方法； - By means of the superior robustness of the pursuit method, the nomograms of the critical flutter reduced wind velocity and the equivalent frequency of flat plate can be plotted conveniently.
借助追赶法的强健性，能够方便地绘出平板颤振临界折算风速和当量频率的诺模图。 - The critical wind velocity of a hyperbolic paraboloid membrane roof with rectangular plane under the action of uniform ideal potential flow is studied. The equilibrium equation of the membrane roof is obtained.
研究了均匀的理想势流作用下小垂度矩形双曲抛物面薄膜屋盖的失稳临界风速。 - Hydraulic height was selected as characteristic length and variational relation of dimensionless critical wind velocity corresponding to the 2 kinds of tunnel models vs heat releasing strength was gained, which was in a good agreement with the results of reduced-scale and full-scale tunnel fire tests.
选择断面水力高度为特征尺寸，获得2种隧道模型对应的量纲一的临界风速随热释放强度的变化关系，且其与缩尺模型试验及全尺度试验结果相比均具有较好的一致性； - Instability critical wind velocity of flat membrane structures
平坦二维薄膜结构的失稳临界风速 - The main feature of flutter is that exists a critical status-critical wind velocity and critical frequency.
颤振的重要特征是存在颤振临界状态，即颤振临界风速和颤振临界频率，当作用风速低于颤振临界风速时，结构物对外界扰动的响应会因为阻尼的作用而衰减； - Dimensionless characteristic equations of two-dimension and three-dimension membrane roof models are obtained. The critical divergence wind velocity is calculated using single mode method, and critical flutter wind velocities is obtained employing bimodal method.
分别得到了二维和三维薄膜屋盖模型的无量纲特征方程，并利用单模态法求解屋盖的临界发散失稳风速和双模态法求解屋盖的临界颤振失稳风速。 - Aerodynamic Instable Critical Wind Velocity of Membrane Structure
薄膜结构的气弹动力失稳临界风速 - The critical wind velocity in sloping tunnels will be different from horizontal tunnels due to the stack effect.
在坡度隧道中，由于火风压的作用，临界风速与水平隧道临界风速相比会有一定的差异。 - In order to determine critical wind velocity of mem-brane at first order instability, further vortex sheet on membrane is used to substitute the infinitesimal thickness boundary layer between wind and membrane surface. Expression of aerodynamic force is obtained;
为了确定薄膜一阶失稳时的风速，进一步用涡旋面代替风与薄膜表面之间的微小厚度边界层来推导薄膜表面所受的气动力表达式； - The Critical Wind Velocity of the Pneumatic Transport in Horizontal Pipeline
水平管道中气力输送的临界风速 - Pursuit method for searching critical flutter wind velocity of flat plates
搜索平板颤振临界风速的追赶法 - The critical wind velocity in the event of a tunnel fire is an important parameter of the design of emergency ventilation systems.
临界风速是隧道火灾紧急通风系统设计的一个重要参数。 - A method is given to determine the critical wind velocity of membrane structures by using the stability theory.
给出了一种利用稳定性理论确定薄膜结构颤振失稳临界风速的方法。 - Natural characteristics of long span cable stayed bridges and calculation of its critical wind velocity of flutter
大跨度斜拉桥的动力特性及其颤振临界风速的计算 - A fuzzy control model of pneumatic conveyance process under the critical wind velocity was established based on the software condition of MATLAB/ Simulink and the simulation experiments were carried out.
基于MATLAB/Simulink软件环境，建立了临界风速气力输送模糊控制模型，并进行了仿真研究。 - The annual mean critical wind velocity is about 2m/ s.
上海vo的年平均值在2米/秒左右。 - Simulation of Pneumatic Conveyance Process with Critical Wind Velocity by a Fuzzy Controller
临界风速气力输送模糊控制仿真 - For tunnels with a downhill slope the critical wind velocity is somewhat greater than for the corresponding horizontal tunnel.
下坡隧道临界风速会稍大于水平隧道的临界风速。 - Based on the flutter theory of flat plate, a new optimization model concerning twin undetermined parameters is proposed for determining the critical flutter wind velocity of flat plate involving 8 flutter derivatives.
基于平板颤振理论，建立了用于确定含有8个颤振导数的平板颤振临界风速的双参数优化模型； - The determination of the critical wind velocity is one of the main targets.
失稳临界风速的确定是其主要内容之一。 - The program NACS can be used directly to predict critical flutter wind velocity of bridges.
桥梁设计人员可以直接应用NACS程序方便快捷地预测桥梁的颤振临界风速，也可供桥梁抗风研究应用。 - The critical wind velocity and frequency of luting of ideal plate are also calculated in this dissertation nd its results are in conformity with the analytical ones.
本文还计算了理想平板的颤振临界风速和频率，与理论结果相比，吻合较好。 - The results indicated that critical threshold wind velocity of soil surface can be reduced when wind-sand flow appears, and this makes soil more easily to be eroded.
结果表明，风沙流可不同程度地降低土壤地表结构的临界起沙风速，使土壤变得更易风蚀。 - Critical wind velocity of hyperbolic paraboloid membrane roofs with rectangular plane
矩形平面双曲抛物面薄膜屋盖的动力失稳临界风速 - The flutter critical wind velocity of the kingpost cross-section is higher than 120m/ s which indicating this bridge is capacity to resistant the torsional flutter.
主梁断面的颤振临界风速高于120m/s，表明该桥有较强抵抗扭转颤振的能力。 - The relationship between critical threshold of wind velocity for soil erosion, soil physical sand content and the soil moisture content can be expressed by a binary regression. The wind erosion modulus was expressed as a trinary quadric regression. 3.
将物理性砂粒含量、土壤含水量和吹蚀风速对风蚀模数的影响进行了三元非线性回归尝试。