The relationship between flame speed and superpressure in gas explosion is studied on the basis of experiment.
叙述了瓦斯爆炸过程中火焰与超压的实验研究情况,介绍了瓦斯爆炸过程中火焰与超压之间的关系。
The flame length and fire intensity of 8 forest types were also increased with the acceleration of the average flame speed.
八类林型的火线强度、火焰长度均随着火焰平均风速增加而增大。
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数的测量研究了火焰拉伸对燃烧速度的影响。
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.
在废气稀释情况下,燃烧时间延长,在高初始燃烧压力时,火焰传播速度下降更明显。
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,各种条件下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的影响较小。
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.
从化学计量向贫燃料状态靠近时,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,退到流速较低的下游区域;
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...
研究了燃烧波波速、火焰传播速率、最高燃烧温度等燃烧特性参数,将计算结果与实验结果以及前人的理论结果进行对比。
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和冬奥会速度滑冰冠军杨扬在内的名人传递了火炬。
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。
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.
面料与火,两个在印象中仿佛永远不能和谐接触的事物,却在这通过速度和距离的精细控制,演绎品质升华的过程。
One of the primary attributes of deflagration is that the flame travels at a speed significantly lower than the speed of sound.
对爆燃的主要特征之一,是火焰的速度大大低于音速的降低旅行。
Using high speed schlieren photographs the microstructure of flame front surface in gas explosion was studied from the microscopic view.
通过高速纹影图像从细观角度详细研究了不同传播条件下瓦斯爆炸火焰前锋的细微结构。
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.
优化设计的燃烧室,加快了燃烧过程中火焰的传播速度,有效防止爆燃的产生,使活塞传热更加均匀,排放更低。
The article elaborates on the theory of flame stability, combustion equilibrium, and some factors affecting flame propagation speed.
在理论上阐述了完全预混式燃烧器火焰稳定原理、燃烧的稳定性和影响火焰传播速度的几种因素。
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.
基于差分的火焰识别方法是根据运动目标的速度进行相邻帧或者隔帧差分以得到运动信息。
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。
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 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.
此模型能根据实测的燃烧压力曲线计算出层流燃烧速度、已燃气火焰温度及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。
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.
利用钝体稳定火焰实验台,在不同工况下,测量了含水蒸汽的甲烷预混气的火焰吹熄速度。
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。
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。
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像和直接火焰像同时成像光路的改进,大大提高了燃烧过程高速摄影照片的质量。
If the flame is propagating at steady speed in static and homogeneous clouds, flow field just behind the pressure waves is self-similar.
若火焰以稳定速度在均匀的静止云雾中传播,则压力波后的流场是自相似的。
Flame front closely follows Shockwaves at the same speed, and location of peak overpressure is coincident with flame front.
火焰面紧跟在激波前缘的后面,二者同速传播,超压峰值的位置与火焰面重合。
When the tube is biforked, the additional turbulent flow will be produced, which will improve the flame transmission speed in gas explosion.
管道分叉时,产生附加湍流,使瓦斯爆炸过程中火焰的传播速度迅速提高。
The resin produced by the flame-retardant products with high strength and mechanical properties, thermal deformation temperature, curing speed, and good soak.
该树脂所生产制品具有很高的阻燃性能和机械强度,热变形温度高,固化速度快,浸透性好。
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、精确等优点。与火焰光度法等常规方法比较有较明显的优越性。
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.
在全透明的火焰加速管中,利用火焰加速系统和高速摄像系统,研究了管道中瓦斯火焰的传播规律及其加速机理。
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.
在全透明的火焰加速管中,利用火焰加速系统和高速摄像系统,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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