Turbulent wind characteristics; ; turbulent field; ; bridge buffeting; ; section model test; ; frequency domain analysis; ; time domain analysis; ; aerodynamic admittance
论文导师葛耀君；赵林，论文学位硕士，论文专业桥梁与隧道工程论文单位同济大学，点击次数 6，论文页数 122页File Size6277K
The smaller size gives significant weight and aerodynamic advantages, whilst at the same time, combined with our carefully considered steering geometry, giving a very good/excellent balance of manoeuvrability and stability.
我想这段叙述应该说明了Airnimal 使用24寸轮径的动机。。。。。因为这尺寸不仅保留了折叠的便利性与轻量化，但又不会因而失去了小轮径车最为人诟病的速度及稳定度的问题。
The emission characteristics of lead, such as aerodynamic particle size distribution, chemical composition and morphology, were investigated experimentally using a laboratory one-dimension furnace. Also the formation mechanisms and pathways of lead particles were analyzed and discussed.
使用一维炉实验台对铅颗粒的空气动力学粒径分布、化学成分、微观形貌等排放特性进行了实验研究，并对铅颗粒的形成机理和途径进行了分析探讨。
Special line: PET bottles to send the wind line, PET bottles transmission line, eight-treasure Li transportation, storage assembly line speed chain, refrigerator-line detection of, stainless steel transmission lines around with CPT, conveyor Store line, groove belt, transportation of finished Line, the size and quality control systems, improve water vat, with tailgate climbing belt, with the assembly line stands, the knife-edge transition belt turn, to roll lines, cell delivery systems, computer assembly lines, power assembly lines, power lines Raceway, To send the wind-line, high-speed sorting lines, transmission lines Raceway, drum line, after the assembly lines overhang, the chemical industry transmission lines, aging transmission lines, Tetra transmission lines, transmission lines plate chain, chain lost keel box line, spiral Chain plate line, spiral belt, a motorcycle transmission lines, motorcycle assembly line, climbing belt, a belt transmission line group, bottles of beer delivery systems, aerodynamic balance suspended, the lines between the pneumatic hoist, automotive transmission lines, light-top Transfer or devices, thermal plastic packet transmission line, stretching line wheel, food delivery lines, transmission lines, transmission lines climbing boxes, fruit cleansing transmission lines, the level of circulating conveyor chain, no power lines Raceway, no power telescopic Raceway lines, lines between the hoist, the letter-box sorting systems, conveyor suspension, tobacco conveyor, the parcel sorting conveyor systems, packet transmission lines, packet transmission line combinations, straight plate section, gravity-shelf access device, Heavy-duty power lines Raceway, heavy-duty conveyor chain, chain of beads to lose face envelope, turning plate, vehicle loading and unloading conveyor, the assembly line, assembly line, automatic transmission storage systems, feeding
特殊流水线：PET瓶风送线，PET瓶输送线，八宝粥输送骊，倍速链储装配线，冰箱检测线，不锈钢输送线，彩管绕带机，仓储输送线，槽型皮带机，成品输送线，尺寸与质量检测系统，大桶水提升设备，带挡板爬坡皮带机，带灯架装配线，刀口过渡转弯皮带机，地滚线，电池输送系统，电脑装配线，动力装配线，动力滚道线，风送线，高速分拣线，滚道线输送系统，滚筒线，后悬装配线，化工行业输送线，老化输送线，利乐包输送线，链板输送线，龙骨链输箱线，螺旋链板线，螺旋皮带机，摩托车输送线，摩托车装配线，爬坡皮带机，皮带输送线组，啤酒瓶输送系统，气动平衡吊，气动线间提升机，汽车输送线，轻型顶升移载装置，热塑膜包输送线，伸缩滚轮线，食品输送线，输送线，输箱爬坡线，水果输送清洗线，水平循环链式输送机，无动力滚道线，无动力伸缩滚道线，线间提升机，信盒分拣系统，悬挂输送机，烟草输送机，邮包输送分拣系统，邮包输送线，邮包组合输送线，直段板式机，重力式货架存取装置，重型动力滚道线，重型链式输送机，珠面链输包线，转弯板式机，装卸车输送机，装配流水线，装配线，自动仓库输送系统，上料机
This machine can separate as following characteristics (1) Wind selected mainly on the weight and aerodynamic characteristics, by changing the suction cross-sectional size to varying air flow rate to achieve selection of seeds and the purpose of upgrading.
本机利用以下几种特性实现分离。（1）风选主要是按重量及空气动力学特性，通过改变吸风道截面积大小得到不同气流速度而达到提升种子和精选的目的。
This paper reported the comparison analysis between laser method and aerodynamic particle sizer spectrometer method of particle size measurement for dust samples of54 roads form Shanghai city center.
对54个上海城市地表扬尘样品进行激光法与动力学粒径谱仪法的粒径分析结果作了相关比较。
Size distribution is measured on the range from 0.03 μ m to 10 μ m in aerodynamic diameter. The results show that the testing system can be used widely for sampling of particulate matters from stationary sources.
结果表明：该试验系统可对燃煤排放的可吸入颗粒物进行在线测量，获得可吸入颗粒物的瞬时浓度、平均浓度和浓度分布，最小粒径达0.03μm，可广泛用于固定源采样；
Aerodynamic parameters and the projectile body parameters mainly decide the size of amplitude of the limit coning motion and the speed of angle of attack convergence.
气动参数与弹体参数主要决定极限圆运动的振幅大小和攻角收敛快慢。
The great differences of wind erosion intensities between various land cover types result from different characters of erodible fraction size distribution and aerodynamic roughness length of the land cover types.
不同覆盖条件下地表可蚀性组分粒度分布和粗糙度长度的差异是造成风蚀强度差异的主要原因。
The results show that the aerodynamic roughness length of gravel bed is a function of gravel size, coverage, free velocity, friction velocity and the atmospheric stratification stability;
得出以下结论：戈壁风蚀面上空气动力学粗糙度长度与砾石粒径、高度、覆盖度、自由风速、摩擦速度以及大气层结稳定度有关；
Particle size distributions in exhausts from a diesel engine fueled by the blended fuel with different proportions of oxygenated additive are measured by a scanning mobility particle sizer and an aerodynamic particle sizer.
利用静电微粒筛选器和动力微粒筛选器对燃烧不同比例氧化燃料添加剂的柴油机废气中的微粒分布进行了测量。
Size distribution of the secondary organic aerosol particles was detected with an aerodynamic particle sizer spectrometer.
采用空气动力学直径粒谱分析仪分析了气溶胶粒子的尺寸分布；
As a new compression system, the ram-rotor has acquired the advantages of high single-stage pressure ratio, high total efficiency, small size of aerodynamic losses, compact structure, light weight, high reliability, easy maintenance, low cost and so on.
旋转冲压压缩转子是一种新型的压缩系统，具有单级压比高、总效率高、气动损失面积小、结构紧凑、重量轻、可靠性高、维修方便、成本低等优点。
One of parameter in AP-42, particle size multiplier, was corrected by using the results of Aerodynamic Particle Sizer.
使用动力学粒径谱仪对美国环保署提出的AP-42方法中粒度乘数参数进行修正。
Relationship Between Forward-swept Angles of Moving Blade and Aerodynamic Performance of Small-size Axial-flow Fans
动叶前掠角与小型轴流风扇气动性能的关系
ICRP Human Respiratory Tract Model and the relative toxicity potency of PAHs reported by WHO were used to compare the unit risk value for lung cancer of the different fuel and the PAHs depositions on human respiratory tract in different aerodynamic size were estimated.
利用肺沉积模型和WHO/ICRP公布的多环芳烃相对毒性值比较了不同燃料燃烧产生的多环芳烃对人体的致肺癌危险度和不同粒径颗粒物上多环芳烃在人体呼吸系统的沉积量。
The aerodynamic/stealthy integrated design is aim to obtain the maximum lift to drag ratio under constraints of stealthy performance through the adjustment of local shape de-sign variables. The task of the structure optimization is to minimize the structural weight by adjusting the size of structural components.
气动/隐身一体化设计的任务是对局部外形设计变量进行优化，在满足隐身性能前提下，使升阻比最大；结构优化的任务是对结构尺寸进行优化，使结构重量最轻。
Wind turbine upsizing is an inevitable tendency of modern wind turbine development. With the size increasing, it cannot be neglected that flexible components (e. g. blade) have influence on aerodynamic force of wind turbine and aerodynamic load change impacts aeroelasticity of wind turbine.
单机大型化是现代风力机发展的必然方向，但柔性构件（如叶片）对于机组气动力的影响及与之相对应的气动载荷变化对机组气动弹性的反馈成为不能忽略的问题。
The relationship between aerodynamic shadow zone and the size of building.
空气动力阴影区与建筑几何尺寸的关系。