第一个是一个实现森林火灾模型的2 - d元胞自动机实现。
The first is an implementation of a 2-d cellular automaton that implements the forest-fire model.
该模型是基于气体释放速率和火灾模型来估计危险影响区域的。
This model is based on gas release rate and jet fire model to estimate the hazard area.
本文介绍了“积木式”的中庭建筑火灾模型实验台的设计和制作。
This paper introduced the designing and manufacturing of building block form experimental model for atrium buildings fire.
图6显示了这个元胞自动机森林火灾模型的迭代,跳跃恰当,很好地显示了所设规则的效果。
Figure 6 shows the iteration of the Cellular Automata Forest Fire Model, skipping appropriately to show the effect of the rule set.
以单元式住宅火灾为例,讨论了火灾模型在火灾安全分析中对几种情况下的火灾的应用。
The paper discusses the application of fire model in the fire safety analysis under several different fire situations.
当考虑降水、森林尺度等更多火灾影响因素时,森林火灾模型的计算结果与实际数据符合得更好。
If more effect factors such as precipitation and forest scale are considered, the forest-fire model gets better accordance with actual forest fire data.
论文通过典型建筑火灾案例,分析了建筑火灾发生及蔓延的原因。综述了国内外火灾模型的研究现状。
Typical fire cases and the reasons of fire occurrence and fire spread in the building were discussed in the thesis.
森林火灾模型中森林用一个布尔型的网格来表示,其中的每一点可以取两个值:0—代表空地,或者1—代表树木。
In the model, the forest is denoted by a Boolean lattice, each site of which is either a tree (represented by a value 1) or is empty (represented by a value 0).
采用事件树分析法进行风险分析并建立了数学模型,包括火灾模型、有效释放率模型、热强度极限值、危险区域等式四部分。
Accident tree analysis is applied to risk analysis and a mathematical model is established, including fire model, effective release rate model, heat intensity threshold and hazard area equation.
通过对隧道火灾模型试验,研究隧道发生火灾时烟流性态,着重对隧道内的烟流扩散规律、烟流逆流层的长度、逆流速度、逆流层厚度进行了试验数据的分析。
This paper studies the character of smoke by fire model test in tunnel, emphasizes on the law of smoke distribution t analyses the length, velocity and thickness of refluxed zone.
虽然不同的模型预测不同的方面细节,他们都表明约四分之一的地表火灾风险会变化。
Although the different models predict different details, they agree that the fire risk will change for about a quarter of the land surface.
据某些全球环流模型预测,21世纪的亚马逊地区可能更干燥。这种概率的上升有可能促使亚马逊成为火灾多发区。
The higher probability of a drier Amazon in the 21st Century predicted by some global circulation models... may push Amazonia towards an amplified fire-prone system.
在一个更系统的全球火灾风险的评估中,Krawchuk博士正试图建立一个明确包含所有导致火灾因素的模型。
In an attempt at a more systematic appraisal of the global fire risk, Dr Krawchuk has been trying to build a model that explicitly includes all the factors that create fires.
结果表明,如果方程模型选用恰当,边界条件设置合理,CFD模拟火灾的结果是能够令人满意的。
The results show that CFD simulation result for fire is accurate enough if only the equation model is correctly selected and the boundary conditions are accurately set.
通过对火灾时烟气发生量及烟气流场的分析,建立了舞台空气幕计算的数学模型并求数值解。
Based on an analysis of the predicted volume and flow field of the smoke generated in case of fire, sets up a mathematical model and works out its numerical solution.
最后,以地铁火灾事故为例模拟仿真应急疏散方案的群决策,对模型的实际运用说明了模型的可行性与有效性。
At last, the paper illustrates metr fire accident to simulate the model application for emergency evacuation project, and the model is proved to be feasible and valid.
结合液化石油气的典型案例,对液化石油气火灾爆炸事故发生的过程、机理和评价模型进行了研究与分析。
Research and analyses on the process, mechanism and assessment model for fire explosion accidents are conducted in accordance with several typical cases.
对整个模型的烟流流动作了动态模拟,形象直观地显示了火灾过程烟流流动情况。
The smoke flow of the model is simulated and the dynamic simulation display the process of fire smoke flow vividly.
在此基础上,提出了一种新的基于GIS技术、遥感技术和数学建模等技术的森林火灾预报预测模型。
On the basis of this, this paper puts forward a new kind of forest fire forecast and spreading model based on GIS technology, the remote sensing technology, mathematics modeling.
通过广东火点和黑龙江大面积火灾的监测验证,模型的可靠性较好。
Model has certain dependability using in fire point of Guangdong and great area fire disaster of Heilongjiang.
建立室内火灾的区域模型,作气体浓度均匀、冷热空气层不连续、室内外等压的相关假设。
We Establish regional model of the indoor fire, make hypothesis on the gas density uniformity and on discontinuous cold hot air layer and on indoor and outdoor equal etc.
为此,本文还建立了一个简单的模型,试图得到在这种火灾场景下,对细水雾灭火的临界动量要求。
Then a brief model is proposed to obtain the critical spray momentum demand in the given fire scenario.
建立了地铁火灾中烟气运动的物理模型和数学模型,采用CFD方法模拟了地铁火灾时的温度场和烟气浓度分布。
Establishes the physical model and mathematical model of fire smoke diffusion in underground railway. Simulates the temperature field and concentration distribution of fire smoke using CFD method.
本论文的研究重点是利用比例模型研究不同因素对火灾烟气运动规律的影响,力求为烟气管理系统的设计提供一定的参考。
The focus of this article is to apply scale model to investigate the effect of various parameters on smoke movement and to develop guidelines for their design.
本文探讨运用RBF神经网络建立火灾探测器模型。
This paper addressed the model of fire detector based on RBF neural network.
在火灾控制体理论的基础上,建立了一个用于分析火区阻力构成的火灾控制体受力模型。
Based on the theory of fire control volume, a forced model for analyzing the component of flow resistance in fire zone was developed.
运用尖点突变理论,建立了矿井自燃火灾的突变模型,最后得出了关于矿井自燃火灾防治方面具有重要意义的结论。
The catastrophe model of mine spontaneous fire is established by using the theory of cusp catastrophe, the important conclusions about preventing and controlling mine spontaneous fire are deduced.
在此基础上进一步改进现有的地震火灾蔓延模型,开发出基于GIS平台的地震次生火灾动态蔓延模拟系统。
Base on this, the paper more improve spreading model of the existing post-earthquake fire and have developed the spreading dynamic simulation system of post-earthquake fire base on GIS.
应用网络模型对多层多室建筑火灾烟气运动过程进行数值模拟,介绍了网络模型的基本方法、网络模型的关键技术处理。
In this paper, we simulated smoke spread of multi layer and multi room building fire using network model and introduced the basic theory, methods and some key technologies of network simulations.
应用网络模型对多层多室建筑火灾烟气运动过程进行数值模拟,介绍了网络模型的基本方法、网络模型的关键技术处理。
In this paper, we simulated smoke spread of multi layer and multi room building fire using network model and introduced the basic theory, methods and some key technologies of network simulations.
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