Their initial calculations and scale-model wind-tunnel experiments convinced them they wouldn't need a strong wind to lift the 33.5-tonne column.
他们最初的计算和风洞比例模型实验使他们确信，不需要强风就能提起33.5吨的柱子。
The tests of simple wind-tunnel and natural wind erosion show that applying polyacrylamide can improve the wind erosion-resistance performance of sand and reduce the amount of wind erosion of sand.
简易风洞试验和自然风蚀试验表明，施用聚丙烯酰胺可以改善沙土抗风蚀能力，减少土壤风蚀量。
A method to compute aerodynamic characteristics of three-dimensional transitive section of high speed wind-tunnel has been suggested.
本文提出了一种计算高速风洞三维过渡段的气动特性的方法。
Three types of form-finding are offered. Meanwhile, combined with the data of wind-tunnel test, the working behaviors under different wind loads are compared and analyzed.
并结合风洞试验结果，对三种找形方案，即不采用稳定索、采用交叉稳定索、采用斜稳定索的结构形式在不同工况下的受力性能进行了比较分析。
When the power machines of wind-tunnel work such as alternating-current machine governor and direct-current machine governor and relay, they will bring about strong interference.
风洞中交流电机调速器、直流电机调速器及继电器等动力设备运行时将产生强干扰。
The parameters of digifax are adjusted by the reference of the wind tunnel test results.
数模的参数根据风洞测试结果进行调整。
In a building near a wind tunnel on the same sprawling site, something even more remarkable is being created.
在同一片土地上，一幢靠近一个风洞的建筑里，人们正在创造更加不寻常的东西。
Much of this testing work happens unseen, deep within the constructors' factories and wind tunnel facilities.
很多的测试工作我们是看不到的，比如说在汽车制造工厂里以及风洞试验室里所做的测试工作。
The Porsche 924 undergoes tests in the wind tunnel at Weissach.
保时捷924在魏斯·阿赫的风洞中进行测试。
Generally, either the full bridge model wind tunnel test or section model wind tunnel test with analytical procedure is used to evaluate buffeting responses of Bridges.
对于风力作用下所引起的桥梁主梁抖振反应，通常采用全桥风洞试验或断面模型风洞试验配合数值分析进行评估。
Wind loading on a hyperboloid roof of a stadium was conducted by means of wind tunnel test.
通过风洞模拟实验对双曲面形屋盖的平均风荷载特点进行了研究。
Analyses the heat transfer process of the planted roof in hot-climate wind tunnel in the typical climate condition of Guangzhou by controlling the environment parameters in the wind tunnel.
通过控制和调节热气候风洞内的环境参数，分析了广州地区典型气候环境下佛甲草轻型种植屋面的传热过程。
Wall-signature methods for wall interference correction in high speed wind tunnel model tests is presented.
本文介绍用壁压信息法对高速风洞模型试验进行洞壁干扰修正的方法。
The tester, a kind of civil low speed wind tunnel in nature, consists of wind generator, test platform and control system.
沥青瓦抗风性试验仪由风源、试验平台和控制系统三大部分组成，它是一种民用开式低速风洞。
In this paper aerodynamic characteristics of maneuvering reentry vehicle of cruciform configuration and bifurcate configuration are compared by means of the wind tunnel test results.
利用典型状态的风洞试验结果对十字布局与叉字布局再入机动飞行器的气动特性进行了分析与比较。
The application of Finite Element Analysis FEA to the design of the structure of wind tunnel balance obtains the rule of stress distribution on the wind tunnel balance by computing the whole body.
把有限元法应用到风洞天平结构设计，对其整体结构进行了计算，得出了风洞天平各种载荷作用下的应力场。
When a hole forms, a strong tendency to equalize creates a rushing tunnel of wind, like water flowing through a hose.
当一个洞形成的时候，平衡内外气压的强烈趋势会生成一个通风的隧道，就像水流过管子一样。
Scientists filmed maple seeds as they wafted through a smoke-filled wind tunnel.
科学家们在一个充满人造烟雾的风洞里摄制下枫树翅果随风飘动的情形。
Oil droplets lit by lasers swirl in a wind tunnel around a flowering blade of grass.
风洞中激光照亮的油滴围绕着草叶周围打着转。
Then they popped the fish into a wind tunnel to calculate their lift-to-drag ratios, sometimes called the glide ratio.
之后，将其放入风洞以计算升阻比，有时也被称为滑翔比。
In a nondescript building on the Southampton University campus, is a wind tunnel once used to develop the pioneering aircraft which defended Britain during the Second World War.
在南安普敦大学校园里，有一栋毫不起眼的大楼，这里有一个风洞，曾在二战期间用于开发保卫英国的先进战斗机。
The Japanese space agency, JAXA, is actually testing the idea, using special heat-resistant paper, another of Toda's plane designs, and a Mach 7 wind tunnel.
日本的宇宙航空研究开发机构(JAXA)正在实验这一想法。该机构利用特制的耐高温纸，采用户田拓夫另一个飞机设计，在一处7马赫的风洞进行测试。
SNC has finished wind tunnel testing and conducted some main propulsion system and reaction control system tests.
SNC已完成风洞测试，并进行了一些主推进系统、反应控制系统的测试。
An ABB variable speed drive system is to power the giant fan that generates subsonic wind speeds at Boeing's flagship wind tunnel in Philadelphia.
ABB的一个变速驱动系统正在为波音公司在费城的旗舰风洞的大型风扇提供动力，以制造出次音速风速。
The phase change thermography technique is a wind tunnel test technique to spray some phase change paint on the aircraft surface for measuring heat distribution in a large area.
相变热图试验技术是通过在飞行器表面喷涂具有一定相变温度的相变涂料来进行大面积热测绘的一项风洞试验技术。
To solve these key problems, it is essential to carry out high speed wind tunnel tests and deal with testing technical problems thereof.
要解决这些关键气动力问题，必须进行一系列相关的大型高速风洞试验，以及解决相应的试验技术问题。
Then by selecting a group of suitable entrance parameters, a submerged inlet with the trapezoid entrance on the plane surface is designed and verified by wind tunnel tests.
在此基础上，选择一组口面参数设计了一梯形进口的平面埋入式进气道方案，并进行了高速风洞试验验证。
Wind tunnel test of sectional model is an important means for determining lock-in region of wind speed and maximal amplitude of vortex-excited resonance.
节段模型风洞试验是研究涡激共振风速锁定范围和最大振动幅值的一种重要手段。
Wind tunnel test of sectional model is an important means for determining lock-in region of wind speed and maximal amplitude of vortex-excited resonance.
节段模型风洞试验是研究涡激共振风速锁定范围和最大振动幅值的一种重要手段。
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