风洞模型 meaning in Chinese
model; wind-tunnel
wind tunnel model
Examples
- That second image is very similar to the wind tunnel model i ' m thinking of
第二副图（就是北京航展上的照片，我刚才略过了）很像我说的风洞模型。 - However , typically we fit just three and this can drop to as few as two for a low - downforce circuit , such as monza in italy
前翼的相对适应赛道的形状并非空穴来风，而是通过一个名为“计算机气流编辑器”的程序的运算后得来的，而这个运算系统同时和风洞模型的长时间测试紧密相关。 - Based on the date of full - scale measurements , modeling wind tunnel tests and theoretical researches of the wind loads on low - rise buildings available , involved the date of the wind tunnel test and computational numerical simulation fulfilled in this paper , the effects of wind loads on low - rise buildings have been studied systematicaly and extensively . it reveled properly the principle of the changes of the surface mean pressures , local pressures , and fluctuating pressures with the building geometry , roof type and slope , wind direction , eave configuration , cladding system , and dominate openings
本文根据国内外有关低层房屋风荷载的全尺寸实测、模型风洞试验及其理论方面的研究，包括本文进行的低层房屋屋面风压分布的风洞模型试验和计算机数值模拟计算，对低层房屋的风荷载特性进行了系统而深入的研究，较好地揭示了低层房屋表面的平均风压、局部风压和压力的波动随房屋的几何尺寸、屋面形式、屋面坡度、风向角、檐口构造、覆面材料和门窗开洞而变化的特点和规律。 - These landslides go with fluidization peculiarity different degree in course of their motion , and their speed and distance increase several times because of the fiuidization , thereby the disaster area greatly broaden . on the base of above , the paper studies systematically the fluidization of large high - speed rockslides in all its aspects : analyzed the aerodynamic effect in the short - range on the base of the wind turmel experiment , studied the effect of falling into pieces when landslides collides mountain ; studied the accelerating effect through high - speed collide experiment of landslides model ; and the paper reappear the overall process including set - out , collide in the short range , debris flow in the long - range of touzhai large landslide via distinct element method ( dem ) , studied the flow law and equation of different type of debris flow resulted from large landslide . as a sample to apply , the paper analyzed fluidization mechanism of touzhai landslide
基于这一点，本文对大型高速岩质滑坡的流体化现象进行了全面而系统的研究：通过风洞模型实验，研究了大型高速滑坡凌空飞行阶段的空气动力学效应，研究了飞行中滑坡岩体在与途中不动山体发尘碰撞时的解体破碎效应，通过滑坡岩体高速碰撞模型实验研究了滑坡岩体解体破碎后部分岩体的加速运动效应，并应用离散单元法再现了云南头寨沟大型滑坡启动高速、近程碰撞、远程碎屑流运动的全过程，研究了岩体解体破碎后形成不同类型碎屑流的运动规律及运动方程，并对头寨滑坡流体化运动机理进行了实例分析，取得了以下主要结论和成果： ( 1 )对于大型高速滑坡，大多在启程活动阶段已获得了高速，这使得这类滑坡在其离开剪出口之后以凌空飞行的形式向前运动，在其飞行过程中，滑坡岩体与空气强烈作用，并产生空气动力学效应，滑坡岩体在因碰撞而产生的解体破碎效应及部分岩体的加速运动效应的作用下，在远程活动阶段，以高速碎屑流的形式向前运动。 - Abstract : based onmethods of foreign countries of using wi nd tunnel test and numerical flow simulation , optimum nose a nd tail shapes ofhigh - speed trains are studied to achieve optimum aerodynamic performance so as to efficiently reduce the influence of theaerodynamic phenome na on the train operation and the environment . research results of foreign countr ies are introduced
文摘:针对国外利用以风洞模型模拟试验和以流场数值模拟计算为主的方法来寻求高速列车最佳的头尾部形状，使列车的综合气动性能最佳，从而有效地降低空气动力学现象对列车运行和周围环境的影响进行了探讨，介绍了国外在此方面取得的主要成果。