自然风

通过计算流体力学软件FLUENT，确定了立管最佳出风口参数，模拟了喷头雾化场，确定自然风对该机喷雾影响。

By calculation the fluid dynamics software FLUENT riser outlet parameters , simulating of the nozzle spray field to determine the impact of natural wind on the aircraft spray .

基于人体热舒适方程，采用PMV-PPD热舒适性模型，在等温条件下运用PMV-PPD指标对模拟自然风进行指标评价，提出了动态风速与PMV-PPD的关系。

Based on human thermal comfort equation , PMV-PPD thermal comfort model is used to calculate PMV-PPD index for evaluating simulating natural wind under isothermal condition . The relationship between dynamic velocity and PMV-PPD is put forward .

本文基于自然风特性，通过考虑结构节点间的风速时程相关性，采用AR模型模拟节点随机脉动风速时程，并提出VC与Matlab混合编程模拟的快速实现方法。

In this paper , AR model is employed to simulate wind speed time series , based on the natural wind properties and the correlativity of nodal wind . Its rapid implementation method by mix-programming between VC and Matlab is provided .

他在槟榔屿设计的menaraumnotower，是第一座利用自然风实现楼内通风的建筑，而国际大企业对此一直在密切关注。

His Menara UMNO tower on Penang Island was the first to use wind to ventilate its interiors and the big , corporate practices have been paying careful attention .

为给出周期为0.5s的自然风脉动频谱，采用EN2型风速风向传感器及特制的EN型风数据记录仪，以0.25s为间隔对沿海及山地近地层风速、风向数据进行了测记。

Using EN-2 type sensor for wind velocity and direction and the special manufacturing EN type record instrument , the data of wind velocity and direction in the surface layer of coastal and mountainous region were recorded by 0.25s interval .

随着机械风气流的扩散，β值有逐步提高的趋势，当平均风速降到0.25m/s以下时，β值可达到典型自然风的数值。

With the diffusion of mechanical wind ,β increases gradually as the velocity decreases , and reaches the value of natural wind for velocities less than ( 0.25 m / s. )

建筑环境中自然风与机械风的谱特征分析

Spectral characteristics analysis of natural and mechanical wind in building environments

室内空调设备舒适性自然风模拟研究空调气流组织的研究与节能

Study on Simulation of Comfortable Natural Wind for Indoor Air Conditioner

近地表自然风在主风向与侧风向的二维风速信号均表现出很高的随机性。

There is highly randomicity in two dimensional wind speed signal .

自然风对高速磁浮列车气动特性的影响

Effects of Natural Wind on Aerodynamic Characteristics of High-Speed Maglev Train

设计了一种以自然风为动力驱动机械设备向外排气的风力自动排气装置。

An automatic airy equipment driven by natural wind was designed .

自然风况下小型风力机试验方法的研究

Research of the testing method of small-sized windmill under natural wind conditions

环境自然风对直接空冷系统的影响及预防措施

Influence of Environmental Natural Wind on Direct-through Air Cooling Units and Preventive Measures

抖振是桥梁在自然风作用下的一种经常性的、随机的限幅振动。

Buffeting is the usual random vibration with the amplitude limited under natural wind .

自然风的特性是紊乱或阵息的。

The natural wind is turbulent or gusty .

自然风输运通量的计算方法

Calculation Method of Transport Fluxes by Nature Wind

但系统性能对环境自然风的影响比较敏感。

However its performance is relatively sensitive to the influence of the environmental natural wind .

自然风吹风的人体热舒适分析

Analysis on thermal comfort of natural wind

室内空调设备送风方式的模拟自然风研究是一个有重大价值的研究课题。

Study of natural wind simulation for air conditioner equipment is an important research question .

自然风对直接空冷发电机组的影响和运行建议

The Influence of Natural Wind upon Direct Air Cooling Power Plant and Suggestion of Operation

输电塔线体系在使用过程中，比较多的情况是承受自然风、环境脉动和地震等动力荷载。

The transmission tower-line system of the large crossings consist of conductor and tower-pole structures .

加热式和自然风类型选择上，一类两个选择。

Heating type and natural wind type choose at will , one type two choice .

自然风对空冷塔的不利影响及其改善措施

The Engineering Improvement for Weakening the Bad Effect of Natural Wind on the Dry Cooling Towers

自然风对正压送风系统屋顶进风效果的影响

The Influence of the Natural Wind on the Efficiency of Roof Level Intakes for Pressurization Systems

园林小环境设计与自然风

Landscape Gardening and Natural Wind

闷热的夏日，来自房顶的自然风为这里带来清凉。

In fuggy summer , the wind from the worn proof brings a bit of cool here .

为了研究建筑环境气流的动态特征，对多种建筑环境下的自然风和多种类型机械风气流进行了测试和谱分析。

The spectral characteristics of natural and mechanical wind flows in different building environments were measured and analyzed .

桅杆在自然风中生命链研究第三部分桅杆结构动力可靠性分析

Longevity Study of Mast under Natural Wind Loads The third : The Dynamic Reliability Analysis of Mast structure

该风扇直接对人提供模拟自然风的等温风，尤其是在控制系统不开压缩机的情况下，由该风扇的独立送风保障热舒适。

The additional personal fan directly provides the constant temperature airflow of the simulating natural winds for people ;

并论证利用自然风稀释污水隧道内有害气体浓度的理论可行性。

The thesis demonstrates the feasibility of natural ventilation to control concentration of noxious gas in the sewer tunnel .