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zone fire
相关语句
  火灾区域
     Calculation of Combustion and Species Concentrations in a Zone Fire Model
     建筑火灾区域模拟燃烧及组分浓度的计算
短句来源
     Study of combustion and species concentrations using a zone fire model in a ship cabin
     舰船火灾区域模拟及烟气成分分析
短句来源
     Following the oxygen consumption principle and specification method, a calculation method of combustion and species concentrations in a zone fire model is presented.
     本文从氧耗原理出发,采用设定火源方法,研究了适用于建筑火灾区域模拟的燃烧及组分浓度的计算方法。
短句来源
  “zone fire”译为未确定词的双语例句
     JB QB/912 L is two bus zone fire alarm control unit based on the working method of J900 two bus fire alarm control system.
     JB-QB/912-L控制器采用J900系统特有的顺序脉冲寻址方式和时间分割处理技术,遵循火警优先原则,实现快速火灾巡检。
短句来源
     Evaluation of the Fire Hazard of Naval Ship in a Zone Fire Model
     用区域模拟方法评估舰艇火灾危险性
短句来源
     Using the methods of fuzzy mathematics, this research will find out places where fire occurred, and the high-frequency areas and the components in the city zone fire safety system , and as well the weight of each criterion by Analytic Hierarchy Process method.
     本文分析了影响消防安全重点单位火灾的城市布局合理性、消防安全重点单位数量、易燃易爆单位数量、单位自身消防管理水平等影响因素,建立了消防安全重点单位火灾危险性评价的指标体系。
短句来源
     The glazing assembly was exposed to a two zone fire enclosure environment at each oil pan fire evident from the local gas temperature profiles.
     通过玻璃附近气体温度分布曲线可知,实验中玻璃窗处于与实际火灾非常相似的分层室内火灾环境中.
短句来源
  相似匹配句对
     BUILDING FIRE COMPUTER ZONE MODEL
     建筑物火灾的计算机区域模型
短句来源
     The Zone and Numerical Simulation on the Tunnel Fire
     隧道火灾烟气发展的模拟计算研究
短句来源
     Fire and Craig C.
     Fire和CraigC.
短句来源
     Anisograptus zone.
     Anisograptus带。
短句来源
     wutingshanensis zone and D.
     wutingshanensis带与D.
短句来源
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  zone fire
A number of simulations were performed using the CFAST zone fire model to predict the relative times at which smoke inhalation and heat exposure would result in incapacitation.
      
Once the HRR of the fire is known, a multiroom zone fire model can be used to determine smoke layers and temperatures in the other rooms of the building.
      
This paper discusses the current capabilities of zone fire modeling.
      
Smoke transport throughout the buildings was simulated by a combination of zone fire modeling and network modeling.
      
Special solvers are required in general to solve zone fire modeling ODE's because of this stiffness.
      
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Abstract The experience and techniques of zone fire control and prevention, fire watch anddetection, prescribed burning in Alaska and other states in US are aeported ,the zoning re- search of cold endurance of tree species, tree species introduction, global orientation system are also discussed.

美国阿拉斯加州等地区森林防火与经营技术王长福(黑龙江省森林工业总局,哈尔滨150001)1森林防火、森林经营的经验与技术1.1注重林火的预防与扑救阿州地域辽阔,人口稀少,总面积15177.4万hm3,全州50万人。该州开发较晚,道路网密度很低,地处北...

Following the oxygen consumption principle and specification method, a calculation method of combustion and species concentrations in a zone fire model is presented. Firstly, combined with McCaffreys empirical formulas for plume entrainment, the calculation method of heat release rate of the fire source is discussed; secondly, based on the mass balance of the individual atoms in chemical reactions, species producing rates in the combustion process are calculated with specification method; then,...

Following the oxygen consumption principle and specification method, a calculation method of combustion and species concentrations in a zone fire model is presented. Firstly, combined with McCaffreys empirical formulas for plume entrainment, the calculation method of heat release rate of the fire source is discussed; secondly, based on the mass balance of the individual atoms in chemical reactions, species producing rates in the combustion process are calculated with specification method; then, the formulation for calculating species concentrations in each zone is given from the mass conservation principle. On the above basis, a numerical example is given to predict the heat release rate and species concentrations. Also, the numerical and experimental results of the interface height, average temperature rise of each room and the pressure difference between the two rooms near the ceiling are presented. Finally, the advantages of the method and the work necessary to be further studied are analyzed.

本文从氧耗原理出发,采用设定火源方法,研究了适用于建筑火灾区域模拟的燃烧及组分浓度的计算方法。首先,结合羽流卷吸经验公式,讨论了火源释热速率的计算方法;然后,用设定方法依据化学反应中的各元素质量守恒关系,分析了燃烧过程中各组分产生速率的计算方法;再根据各区域质量守恒原理给出了各区域组分浓度的计算公式。在此基础上,用数值模拟方法对各区域组分浓度、火源在上下层的释热速率进行了计算;同时还给出了所算例子各房间界面高度、平均温升及两房间在顶篷附近压差的计算值与实验值。最后,还分析了该方法的优点及存在的问题。

JB QB/912 L is two bus zone fire alarm control unit based on the working method of J900 two bus fire alarm control system. It uses new design and has four output control signals, so it is convenient and practical. In addition, the measurement of anti disturbance in software and hardware makes the unit more reliable.

JB-QB/912-L控制器采用J900系统特有的顺序脉冲寻址方式和时间分割处理技术,遵循火警优先原则,实现快速火灾巡检。在研制中采用了全新的键盘、显示设计,简化硬件配置。采用软、硬件结合的抗干扰措施,提高了系统运行的可靠性。该控制器运行稳定,调试方便

 
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