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瓦斯燃烧
相关语句
  gas burning
     Analysis and Evaluation on Factors Affecting Gas Burning in Drill hole
     钻孔瓦斯燃烧影响因素评价研究
短句来源
     This paper is going to analyse the composition of gas and the cause of its exploding through an accident resulted from gas burning.
     从一起瓦斯燃烧事故分析了瓦斯的组成、性质及发生燃烧的原因 .
短句来源
     The major factors affecting gas burning in drill hole such as working skills for drill hole,reasonable air,flux coal bed gas content and so on are determined as dominating one from the model,which can provide coal miner or technician with correct suggestion to prevent and control gas burning during drilling in coal mine.
     计算结果表明:钻孔施工工艺、合理的配风量、煤层瓦斯含量等是防止钻孔瓦斯燃烧中优先考虑的影响因素,为煤矿防止及治理钻孔瓦斯燃烧提供了科学的理论依据.
短句来源
  “瓦斯燃烧”译为未确定词的双语例句
     The Strengthening of Safty Management and the Attachment of Importance to Safty Education
     加强安全管理 重视安全教育——一起瓦斯燃烧爆炸事故分析及其对化学教学的启示
短句来源
     Imaging and Clinical Analysis of Inhalation Injury Caused by Gas Combustion
     瓦斯燃烧吸入性肺损伤的影像与临床分析
短句来源
     The influence of obstacles and coal on the flame propagation of methane was experimentally studied.
     本文对障碍物和煤尘对瓦斯燃烧过程中火焰速度的影响进行了实验研究。
短句来源
     The combustion process of gas with coal dust or gas with different obstacles in fire-accelerating pipelines has been experimentally studied.
     在火焰加速管中,对不同障碍物情况下的纯瓦斯、有沉积煤尘的瓦斯燃烧过程进行了实验研究。
短句来源
     The catastrophe theory is used to study this phenomenon.
     应用突变理论对热效应下瓦斯燃烧爆炸过程的突变现象进行了分析。
短句来源
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  相似匹配句对
     Analysis and Evaluation on Factors Affecting Gas Burning in Drill hole
     钻孔瓦斯燃烧影响因素评价研究
短句来源
     combustion & heat transfer;
     燃烧和传热;
短句来源
     b) combustion control;
     b燃烧控制;
短句来源
     Study on catalyst's activation vanishing mechanism of burning type gas sensors
     热燃烧瓦斯传感器催化剂失活机理研究
短句来源
     Research and Development of the Monitor and Control System of Gas
     瓦斯监控系统的研制
短句来源
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  gas burning
Correctness of the problem of viscous gas burning in the case of nonsmooth data and a semidiscrete method of its solution
      
Characteristics of the adaptive response of the female generative system of Scotch pine to air pollution caused by petroleum gas burning in flares during oil production in Western Siberia have been studied.
      
Mathematical model for soot formation during natural-gas burning.
      
The objects of this study are flame installations intended for gas burning.
      
The chosen mathematical model of the processes of aerodynamics, heat exchange, and gas burning was identified and adapted on the basis of data of real-scale measurements.
      
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The influence of obstacles and coal on the flame propagation of methane was experimentally studied. Results show that obstacles and coal could cause an acceleration of the flame in the tube remarkably. When obstacles and coal are presented, the velocity of flame is much larger from the closed end to the open end than from the open end to the closed end. What's more, the larger of the characteristic size of the obstacles is, the faster of the flame propagates.

本文对障碍物和煤尘对瓦斯燃烧过程中火焰速度的影响进行了实验研究。结果表明,障碍物和煤尘对管内火焰有明显的加速作用,在有障碍物和煤尘存在时,气体火焰沿管道传播的特征与管道封闭状态有关,从封闭端传向开口端的火焰速度比开口端传向封闭端的火焰速度大得多。障碍物的特征尺寸越大,火焰加速效果越显著。

The k ε turbulent model, the three gase mixing combustion model and the composite radiosity model are used to simulate numerically the central backflow region of the turbulent diffusion flame in a gas burner with the PHOENICS software. The result of the numerical simulation shows that the dimension of the backflow region increases with the swirl number increasing when the swirl number is large enough, but it has no great changes under different air pressures and different loads. Combustion intensity may...

The k ε turbulent model, the three gase mixing combustion model and the composite radiosity model are used to simulate numerically the central backflow region of the turbulent diffusion flame in a gas burner with the PHOENICS software. The result of the numerical simulation shows that the dimension of the backflow region increases with the swirl number increasing when the swirl number is large enough, but it has no great changes under different air pressures and different loads. Combustion intensity may be improved by properly increasing the air pressure, and combustion load can be adjusted according heating demands. With swirl number getting larger, the gas burner can work more stably.

采用k ε湍流模型、三气体扩散燃烧模型和综合辐射模型 ,利用PHOENICS软件对瓦斯燃烧器湍流扩散火焰中心回流区进行了较详细的数值计算。计算结果表明 ,在强旋流条件下 ,回流区尺寸随旋流数增加而增大 ,受风压和热负荷影响较小。可以适当增加助燃空气压力来提高燃烧强度 ,调节燃烧负荷来适应加热要求 ,或增大旋流数来提高燃烧器的稳定性和操作弹性

Detailed numerical simulation study is made on the turbulent diffusion flame of a gas burner . The result shows that when the swirl number is large enough,the flame length increases with higher load, smaller swirl number and smaller fraction of hydrogen. No obvious changes is observed when the air pressure changes.

采用数值方法对重整炉瓦斯燃烧器湍流扩散火焰进行了较详细的研究。计算结果表明 ,在强旋流条件下 ,火焰长度随旋流数的减小、热负荷增加及氢组分含量降低而增加 ,受风压影响较小

 
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