风洞

Since the model of the canopy and suspension lines are made of flexible fabric, therere some difficulties in wind runnel testing, Such as model supporting, attitude controlling and measuring, and pitch moment measuring etc., compared with the common rigid models used in wind tunnel testing.

由于翼型伞主要由伞衣、伞带等柔性纺织物组成，其风洞试验技术与采用刚性模型的常规风洞试验相比，在试验模型的支撑、模型姿态角控制及测量、作用在模型上力矩的测量等方面都有一定的技术难度。

A compater-controlled ba1ance is developed in order to measure the skin friction.

风洞为吸式风洞，为得到二维流场，试验段的宽高比取4：1。

The relationship between the load measured by strain method and the load calculated according to flight parameters and the wind tunnel test data has been investigated in this thesis .The result showed that the calculation load based on the flight parameters and wind tunnel test data is acceptable in subsonic speed and gets good agreement, with the load measured by strain method.

本文研究了采用应变法实测载荷和根据飞行实测参数和风洞实验数据计算载荷之间的关系，研究表明采用飞行实测参数和风洞实验的数据计算载荷在亚音速范围内是可行的，与采用应变法实测载荷是吻合的。

The relationship between the load measured by strainmethod and the load calculated according to flightparameters and the wind tunnel test data has beeninvestigated in this thesis .The result showed that thecalculation load based on the flight parameters and windtunnel test data is acceptable in subsonic speed and getsgood agreement, with the load measured by strain method.

本文研究了采用应变法实测载荷和根据飞行实测参数和风洞实验数据计算载荷之间的关系，研究表明采用飞行实测参数和风洞实验的数据计算载荷在亚音速范围内是可行的，与采用应变法实测载荷是吻合的。

Chimera grid technique is applied to viscous flow analysis of the wall interference in the wind tunnel.

3根据嵌套网格技术的原理，结合风洞内流场的特点，将嵌套网格技术应用于风洞壁干扰的Navier-Stokes数值模拟，发展了相应的洞壁干扰分析软件。

In addition, measuring other motion parameters of a wind tunnel model accurately is also important.

在任何风洞试验中，精确测量出模型在加载后的实际攻角是提高风洞试验数据准确度的一个重要途径。

The sand fixed hedge has been using at Taiwan's coastally, how is the best desing for different from angle between main hedge and wing hedge, it is still no results. In this study, there are two part of experiment that are field study and wind tunnel. The field study is analysis by BSNE sand sampler and multi-layer anemometer at Yuanli coastally, the wind tunnel experimental that study different length and angle of hedge.

中文摘要堆砂篱於台湾沿海虽已被广泛使用，然堆砂篱是否需要大面积全面铺设，才能获得最显著功效；主篱与翼篱之间夹角应如何规划，才能达到最佳化设计，至今尚无具体结果，为能深入探讨本研究分为现地及风洞试验，现地试验以苑里沿海为试区，架设BSNE垂直集砂器及多层风速计等进行观测；风洞试验则依翼篱长度与角度从事模型吹砂试验。

In wind tunnel for insect flight experiments, the flight behavior of the moths of Mythimna separata was observed systematically under wind flow of different speeds.

利用自制的昆虫飞翔实验风洞，系统观测了在风洞条件下粘虫在不同流速实验气流中的起飞行为与飞翔行为。

A wind tunnel for thunderstorm downburst was well designed by taking into account the low-speed uniflow wind tunnel design criteria, andan adjustable plate was made to simulate the ground.

鉴于雷暴冲击风试验装置的特殊性以及与低速直流风洞的共通性，参考低速直流风洞的设计方法设计完成了试验装置的洞体结构，并制作了具有调节功能的平板来模拟地面。

Thunderstorm downburst wind tunnel has the particularity and the intercommunity with a low-speed uniflow wind tunnel. A wind tunnel for thunderstorm downburst was well designed by taking into account the low-speed uniflow wind tunnel design criteria, andan adjustable plate was made to simulate the ground.

鉴于雷暴冲击风试验装置的特殊性以及与低速直流风洞的共通性，参考低速直流风洞的设计方法设计完成了试验装置的洞体结构，并制作了具有调节功能的平板来模拟地面。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失