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- By the study of Flame Propagation Theory and Flame Stability Theory, backfire and yellow flame can be avoided by regulating the speed of flame propagation and exit velocity of mixture current at orifice. 通过对火焰传播理论和火焰稳定性理论的研究，综合调节火焰传播速度和火孔处混合气体的气流出口速度，不仅能保证煤制气燃烧时不回火而且燃烧完全，使黄火少甚至可以没有黄火。
- flame propagation theory 火焰传播理论
- It can reflect the flame propagation speed and evaluate the explosion intension. 计算出的分形维数是衡量湍流火焰传播速度以及爆炸强度的有效参数。
- The influence of water sprays on gas flame propagation is experimentally studied in the present paper. 本文利用自行设计的传播火焰喷雾抑制实验系统研究了水雾对甲烷火焰传播特性的影响。
- This system was used to measure the flame propagation velocities along the tube, and furthermore to determine the DDT distance. 通过该系统测量爆震管中火焰传播速度的轴向分布，确定了爆燃到爆震的转捩距离。
- Based on the ABCD matrix and Gaussian beam propagation theory, the Gaussian beam transforming formulas through a parabolic defocusing GRIN fiber lens are derived. 本文根据ABCD矩阵和高斯光束传播理论,导出高斯激光束经抛物型发散梯度折射率纤维透镜的变换公式。
- On the basis of experiments, the influence of impressed electromagnetic field on flame propagation speed and overpressure in gas explosion was investigated. 在实验的基础上,研究了外加电磁场对瓦斯爆炸过程中火焰传播速度和超压的影响。
- The experimental research on flame propagation velocity of dimethyl ether at atmospheric pressure is conducted using Bunsen flame method, and compared with the documentation data. 建立了二甲醚火焰传播速度测定系统,采用本生灯火焰法对常压下二甲醚的火焰传播速度进行试验研究,与文献数据进行了分析对比,认为试验结果正确合理。
- Based on the explosive stress propagation theory and Greffiss rupture crash degree theory, the maxium detonation dose per time is deduced. 根据爆炸应力传播理论和格里菲斯断裂破损度理论，反算最大一次起爆药量；
- The gas flame accelerating mechanism that obstacles are set along the flame propagation path can owe to the positive feedback of combustible process in onflow zone,which is induced by obstacles. 在沿火焰传播的通道上设置障碍物,对气相火焰的加速作用机理可归功于障碍物诱导的湍流区对燃烧过程的正反馈。
- The time of reaching full developed fire, flame propagation speed along vertical direction and horizontal direction, and the law of fire load influencing on fire development are derived. 得出该类商品发生火灾时达到旺盛期的时间、垂直方向和水平方向火焰传播速度以及火灾载荷对火灾发展影响的规律。
- Based on mathematic and physical meanings of the curves, the first flame time of sustaining grain was deduced as zero time of rise stage for pressure-rise velocity and the end time of flame propagation as the limit time from rise to drop. 根据两条曲线的数学与物理意义推断主装药首次火焰时刻为升压速率上升阶段过零时刻,火焰传播结束时刻为升压速率由上升转下降的极值时刻;
- The turbulent flame propagation model of a reciprocating piston gasoline engine was inspected to see whether it is applicable to gasoline Wankle engine based on the experimental data. 基于实验数据，考察了往复式汽油机湍流燃烧速率计算经验式在汽油转子发动机中应用的不适用性，并对其进行了修正；
- On the basis of error propagation theory, the precision of quality control points of jacket is studied and the precision specifications are derived from general dimensional tolerance in jacket fabrication. 摘要文章根据误差传播理论，对导管架质量控制点本身的精度进行探讨，并由导管架制造完工尺寸公差要求，导出控制点应达到的精度指标。
- The advantages and disadvantages as well as the applicability of various mechanisms were obtained by analyzing flame structure, flame propagation speed and emissions.Dispersion was also analyzed. 通过对火焰结构，火焰传播速度及污染物的计算与分析，得到了不同机理的优缺点及适用范围，分析了弥散效应的影响。
- Based on the propagation theory of the longitudinal wave in the pile, the present paper presents a technique for determining such parameters as back-and-forth time of reflection wave and apparent reflection coefficient. 摘要本文以纵波在杆中传播的理论为根据，介绍一种用于确定反射波往返时及视反射系数等参数的方法。
- Theoretical and experimental studies have shown that the flame structure, flame propagation and the stability of flame etc. at microgravity condition are quite different from that at normal gravity. 理论和实验研究表明,在微重力条件下火焰结构,火焰传播,火焰稳定等一系列燃烧基本过程都明显不同于通常在地球表面上所观察到的现象。
- From the propagation theory of partially coherent light, spectral anomalies and spectral switches of Gaussian Schell-model beams focused by an astigmatic aperture lens are studied. 从部分相干光的传输理论出发,研究了高斯谢尔模型光束通过光阑像散透镜聚焦的光谱异变和光谱开关。
- 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. 该文对存在障碍物的瓦斯爆炸过程中的火焰传播规律进行了研究,结果表明:障碍物对火焰的传播速度具有重要影响。
- The outcomes enrich the propagation theory of shock wave and provide an academic basis for the safety assessment of gas explosion and the measure establishment of disaster prevention and reduction. 研究成果丰富了瓦斯爆炸冲击波传播规律理论，对井下瓦斯爆炸安全评价以及制定防灾减灾措施提供了理论基础。
