In experiments it is also found that the ability of penetrating smoke plume of mist is a crucial factor to the fire suppression.
在实验中还发现对于下喷式系统而言,细水雾能否穿透烟气羽流层对于细水雾系统能否灭火具有至关重要的影响,为此引入了烟气羽流与细水雾的推力比这一概念,并通过实验确定了采用下喷方式时,细水雾灭火的临界推力比大致为10。
This article aims to present a coupled map lattice model initiated by the author to explore the spatiotemporal random behavior of smoke plume.
为研究烟气羽流的时空混沌行为 ,本文从烟气羽流的 N-S动量方程出发 ,根据浮力羽流的半经验公式 ,对方程中相应的项进行替代、化简 ,然后无量纲化 ,得到了以烟气羽流的动量通量 m为系统状态矢量的单向耦合映象格子模型。
On the basis of non-deterministic view,the writers find that the smoke plume can be studied by Lorenz equation following the method used by Lorenz.
由浮力射流的一般方程导出描述火灾中烟气羽流的偏微分方程 ,基于不确定论的观点 ,遵循洛仑兹的研究方法 ,发现可用 L orenz方程来研究烟气羽流。
Formation of automobile emission plume and air exhaust mode of underground parking garages;
汽车尾气烟羽的形成及地下车库排风方式
Research on characters of plume rising of automobile exhaust;
汽车尾气烟羽的流动特性研究
Through simulating,this paper analyzes the dispersion trend of the plume of leaked radioactive material during nuclear accidents on condition that atmosphere is stable to different geographical environments,and calculates the plume thickness distributing with time integral in the nuclear accident ambient area.
通过仿真计算,分析了核事故发生放射性物质泄漏期间,在各种大气稳定度条件下,相对于不同地理环境的烟羽弥散趋势,以及事故泄漏周围区域放射性物质的时间积分浓度分布情况。
Electronic-Optical Data High-Speed Acquisition System of Ultraviolet Radiation Missile Plume Detecting;
探测导弹羽烟紫外辐射的光电高速采集系统
An advanced facility and corresponding method for real-time detecting exhaust plume of rocket motors have been established.
研制了一套固体火箭发动机装药排气羽烟特征信号的检测系统,确定了固体推进剂发动机的实验条件,对4种推进剂进行实时检测,得出燃气烟雾对多波段信号衰减的透过率,并对测量系统可能带来的误差因素及系统的不确定度进行了分析。
Introduced the Method of electronic optical data high speed acquisition of ultraviolet radiation of solid rocket plume.
详述了固体火箭羽烟紫外辐射的光电高速采集方法 ,并实时对导弹逼近告警。
In the paper the laser transmittance which the infrared laser permeats plumes exhausted by solid-propellant motor is analyzed and a dynamic measuring method with double lamp-house is suggested.
文章分析了固体发动机羽烟对激光的衰减原理,提出了采用双光源透射法对固体发动机羽烟透过率进行动态测试的方法,介绍了1064nm激光羽烟动态测试系统的结构和光电检测原理。
In order to push for the quantitative analysis of characteristics of propellant, selecting low signal propellant, measuring engine plumes transmittance characteristic is of great significance.
精确制导广泛地应用于现代战争中,由于火箭发动机羽烟对入射信号的衰减,将影响到导弹的制导跟踪、连续发射和识别探测精度,因此要求羽烟对入射信号的衰减尽可能小。
Analysis of the increasing equation of fire smoke plumes in temperature stratified ambient;
温度分层环境下火灾烟气羽流上升高度公式分析
Measurements on the different fire smoke plumes in the medium scale and big scale experimental rooms indicate that the actual values of the maximum plume heights are co.
2种不同尺度空间及不同烟气羽流出口条件的实验表明 ,实际火灾烟气羽流最大上升高度与理论计算结果及文献经验公式相符 ,从而表明积分模型数值解的有效性 ,并为高大空间火灾烟气输运规律研究及探测技术发展提供了理论及实验依
Study on Traffic Impact Scope Model based on Plume Model;
基于烟羽模型的交通影响范围模型的研究
Tracing Odor Plume by Robot in Time-variant Flow-field Environments
时变流场环境中机器人跟踪气味烟羽方法
Determination of Plume by Hyperspectral Imaging Differential Optical Absorption Spectroscopy
超光谱成像差分吸收光谱系统烟羽测量研究
Study on Prediction Models of Wind Fields and Plume Concentrations for Early Emergency Response to Nuclear Accidents
核事故早期应急响应的风场和烟羽浓度预测模式研究
Measurement of CS_2 in Emission Plume of Power Plant by Passive Differential Optical Absorption Spectroscopy
被动差分吸收光谱技术测量电厂烟羽中CS_2的研究
The diffusion of radio-nuclides in atmosphere was studied on the basis of Gaussian Model.
在高斯烟羽模型的基础上,对核事故中放射性云团在大气中的扩散规律进行了研究。
Field Instrumentation for Atmospheric Plume and Contrail Measurements
用于大气羽烟与凝迹测量的流场测试
Prospero = Shaman. Feathers, smoke, totemic magic.
普洛斯彼罗=萨满.羽毛,烟,图腾魔法.
Transmissivity Measuring System of the Plume Penetrated by 10.6μm Laser;
10.6μm激光羽烟透过率测试系统
If a plume blows out and rises, it can sink the ship.
如果羽状的烟雾窜出并且上升,将足以使船沉没。
The Signal Detecting and Processing in Transmissivity Dynamic Measuring of the Plume Penetrated by Laser;
激光羽烟透过率动态测量的信号检测与处理
Comparison of Algorithms of Calculate plume Centerline Temperature and Ceiling Jet Temperature with Experiments
计算羽烟中心线温度和天花板射流温度的算法与实验之比较
Down and feather
GB/T17685-1999羽绒羽毛
A gull-like bird(Fulmarus glacialis) of Arctic regions, having smoky gray plumage.
南极暴风鹱南极地区一种象海鸥的鸟(暴风鹱管鼻鹱),长着烟灰色的羽毛
A primary feather of a bird.
翅前羽鸟的初级飞羽
Feathers used ornamentally.
羽毛束用于装饰的羽毛
The covering of feathers on a bird.
全身羽毛,羽衣鸟身上覆盖的羽毛
To grow feathers or become feathered.
长羽毛长出羽毛或成为羽毛