• The relationship between flame speed and superpressure in gas explosion is studied on the basis of experiment.

    叙述瓦斯爆炸过程火焰实验研究情况,介绍了瓦斯爆炸过程中火焰与超压之间的关系。

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  • The flame length and fire intensity of 8 forest types were also increased with the acceleration of the average flame speed.

    类林型火线强度火焰长度随着火焰平均风速增加而增大

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  • To express the effects of flame stretch upon burning velocity, Markstain numbers has been obtained from the measurement of flame speed.

    通过对马克斯坦长度和马克斯坦测量研究火焰拉伸燃烧速度影响

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  • At the exhaust gas dilution condition, the burning duration is extended and the flame speed drops faster at high initial pressure than at low one.

    废气稀释情况下燃烧时间延长,在初始燃烧压力火焰传播速度下降明显。

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  • In addition, the Max turbulent flame speed is similar in these cases, which means turbulent influence on the indoor fire caused by gas leakage is less.

    另外,各种条件最大湍流火焰传播速度差别不大说明室内气体火灾受湍流影响较小。

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  • When the CH4-air mixture approaches the lean fuel state, the flame speed accordingly decreases, the flame cone rising and retreating downstream to the area with lower flow speed.

    化学计量向燃料状态靠近时,预混火焰强度减弱,火焰传播速度减小锥形火焰面逐渐增高,退到流速低的下游区域

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  • Some characteristic parameters, such as the combustion wave velocity, the flame speed and the peak flame temperature, are predicted. Analytical results have been compared with the related e...

    研究燃烧波波火焰传播速率、最高燃烧温度燃烧特性参数,将计算结果实验结果以及前人的理论结果进行对比

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  • Celebrities including Lang Lang, the famous Chinese painist, and Winter Olympics speed skating champion Yang Yang passed the flame.

    包括著名中国钢琴家朗朗冬奥会速度滑冰冠军杨扬在内的名人传递了火炬。

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  • On the basis of experiments, the influence of impressed electromagnetic field on flame propagation speed and overpressure in gas explosion was investigated.

    实验基础上研究外加电磁场瓦斯爆炸过程火焰传播速度超压影响

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  • Fabric and flame seem impossible to exist in harmony, but here, with fine control of flame by appropriate speed and interval, the quality of the fabric is greatly improved.

    面料,两个印象中仿佛永远不能和谐接触事物,在这通过速度距离精细控制,演绎品质升华过程。

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  • One of the primary attributes of deflagration is that the flame travels at a speed significantly lower than the speed of sound.

    爆燃主要特征之一火焰速度大大低于音速的降低旅行

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  • Using high speed schlieren photographs the microstructure of flame front surface in gas explosion was studied from the microscopic view.

    通过高速影图像细观角度详细研究不同传播条件下瓦斯爆炸火焰前锋细微结构

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  • The optimized combustion chamber accelerates the transferring speed of the flame, prevent the deflagrating, even the heat transfer on the piston and lower the amount of the exhausting.

    优化设计燃烧室,加快燃烧过程火焰传播速度,有效防止爆燃产生,使活塞传热更加均匀,排放更低

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  • The article elaborates on the theory of flame stability, combustion equilibrium, and some factors affecting flame propagation speed.

    理论上阐述了完全预混式燃烧器火焰稳定原理、燃烧稳定性影响火焰传播速度几种因素

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  • The method of flame recognition based on image difference detects the moving information by differencing two sequential frames or every two frames according to the speed of object.

    基于差分火焰识别方法根据运动目标速度进行相邻或者帧差分以得到运动信息

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  • The speed of flame spreading decreases as width of the wood strips increases.

    木条宽度越大,火焰传播速度越慢。

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  • It can reflect the flame propagation speed and evaluate the explosion intension.

    计算的分形维数是衡量湍流火焰传播速度以及爆炸强度有效参数。

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  • The variation of combustion velocity, fired gas temperature and flame propagation speed, when the press, excess air ratio and ignition timing changed, was calculated by this quasi-dimensional model.

    模型能根据实测燃烧压力曲线计算出层流燃烧速度、已燃气火焰温度火焰传播速度等参数随压力、当量比发动机转速、点火提前角的变化规律。

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  • By the experimental bench of bluff body flame and under different working orders, the speed in blowing out the flame of methane premixing gas with vapour is measured.

    利用体稳定火焰实验不同工况,测量了含水蒸汽甲烷预混火焰速度

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  • Firedamp flame propagation rules under obstacles are researched during the gas explosion process. The results show that obstacles have an important affection to the gas flame propagation speed.

    该文对存在障碍物瓦斯爆炸过程中的火焰传播规律进行了研究,结果表明:障碍物火焰的传播速度具有重要影响

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  • Empirical formula about flame propagation speed in tube is obtained.

    依据实验值得到了管内火焰传播速度的经验公式

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  • The author improved the optical system for simultaneously photographing the spray shadow graph and combustion flame and got high quality of high speed photographs of combustion process.

    作者通过对喷雾阴影直接火焰同时成像光路改进,大大提高了燃烧过程高速摄影照片质量

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  • If the flame is propagating at steady speed in static and homogeneous clouds, flow field just behind the pressure waves is self-similar.

    火焰稳定速度均匀静止云雾传播,则压力自相似的。

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  • Flame front closely follows Shockwaves at the same speed, and location of peak overpressure is coincident with flame front.

    火焰紧跟激波前缘的后面,二者传播,峰值位置火焰面重合

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  • When the tube is biforked, the additional turbulent flow will be produced, which will improve the flame transmission speed in gas explosion.

    管道分叉产生附加湍流使瓦斯爆炸过程火焰传播速度迅速提高

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  • The resin produced by the flame-retardant products with high strength and mechanical properties, thermal deformation temperature, curing speed, and good soak.

    树脂所生产制品具有很高阻燃性能机械强度变形温度高,固化速度快,浸透性

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  • It has the benefits of high speed, high sensitivity, small sample size, precision, as compared with ordinary methods of flame photometry.

    这种方法具有快速灵敏微量精确优点。与火焰光度法等常规方法比较较明显优越性。

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  • The gas flame propagation law and acceleration mechanism were studied in a fully transparent flame-acceleration tube by using the flame-acceleration system and high-speed photography.

    透明火焰加速中,利用火焰加速系统高速摄像系统,研究了管道中瓦斯火焰的传播规律及其加速机理

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  • The gas flame propagation law and acceleration mechanism were studied in a fully transparent flame-acceleration tube by using the flame-acceleration system and high-speed photography.

    透明火焰加速中,利用火焰加速系统高速摄像系统,研究了管道中瓦斯火焰的传播规律及其加速机理

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