flame front
英 [fleɪm frʌnt]
美 [fleɪm frʌnt]
火焰前缘，火焰锋
双语例句
- The moving flame front ( MFF-I) model, considering the surface reduction of carbon particle, locates the flame front only by analyzing oxidation.
在原始移动火焰锋面（MFF）模型的基础上，提出一种考虑碳粒表面还原反应的改进MFF模型。 - One is via detonation, in which the flame front moves at supersonic speed and produces a powerful blast.
一种是通过爆炸，即火苗以超音速向前移动从而产生剧烈爆炸。 - Moving Flame Front Model for Volatile Combustion after Homogeneous Ignition
均相着火后挥发分燃烧的移动火焰锋面模型 - A high speed shadowgraph system was used to obtain the sequential images of flame front development, and to record correctly the interaction process between the fluid flow and flame.
以高速阴影摄影获取火焰阵面变化的序列相片，准确地记录了流场和火焰的变化过程。 - The flame front is twisted and draped after it enters the spiral rings perturbing area. Flame superficial area, burning speed and heat release rate are increased to induce shock wave.
火焰阵面进入螺旋环扰动区后，发生扭曲并产生褶皱，火焰表面积显著增加，燃烧速率增大，并相应增加了释热速率，诱导激波的产生。 - The calculation of premixed combustion shows that, these large-scale vortex structures play an important role in the distribution of flame front in the flow field.
预混燃烧计算结果表明，大尺度旋涡对火焰面在流场中的分布有重要影响。 - In the end, flame and shock waves propagate with the same speed and the position of peak value of overpressure and flame front is coincident.
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。 - The obstacle-induced effects are negligible in the closed vessels for the final explosion pressure, however they are very important for flame front, velocity field, pressure field, which will provide proof for the reasonable collection of the equipment in the confined rooms.
在密闭容器中，障碍物的阻塞率对最终爆炸压力基本不产生影响，而对火焰阵面的形状、速度场和压力场的分布存在显著影响，这可为受限空间内设施的合理布置提供依据。 - The results indicate that the traveling flames are accelerated by compression waves traveling in the same direction or rarefaction waves traveling in the opposite direction with respect to the flame front.
结果表明：相对于火焰面，同向压力波和异向稀疏波会加速火焰传播； - A characteristic of turbulent combustion with wrinkled flame front is presented in CNG DI combustion.
天然气直喷燃烧呈现出湍流燃烧特征的皱褶火焰前锋面。 - In this model, the flame front is supposed to be cylindrical and propagating from the center of the spark plug to the walls;
在模型中，假设火焰前锋面为柱形，它从火花塞中心向气缸壁面传播； - Increasing combustion speed increases the pressure and temperature on both sides of the flame front.
增大燃烧速率使得和火焰面两侧的压力、温度增大； - Moving flame front ( mff) model considering the surface reduction of carbon particle
考虑碳粒表面还原反应的移动火焰锋面（MFF）模型 - It is considered that energy is released instantaneously just behind flame front.
能量释放看作在火焰面后瞬时完成。 - Flame Front Acceleration of Propane-air Deflagration in Straight Tubes
丙烷-空气爆燃波的火焰面在直管道中的加速运动 - It can calculate effectively the variation of flame front area, burned volume, and heat transfer area with the process of flame propagation and can be applied to an arbitrary combustion chamber.
该软件能有效地计算火焰前锋面积、已燃区体积和传热面积随火焰传播距离的变化情况。 - When introducing DSP technology and criterion basing on flame front dynamic check to image flame detector, the speed and accuracy of system is improved largely.
本文将先进的DSP技术和基于火焰锋面动态检测的着火判据引入现有的数字图像火检系统后，明显改善了系统的报警速度和精度。 - From the results of experiments and theoretic analysis, it shows that the obstacle wrinkles flame front surface and enlarges the turbulence intension of unburned gas before flame and flame inner flow field. The flame acceleration is improved.
实验与理论分析表明，障碍物的存在引起火焰前锋褶皱度增大，提高了火焰前方未燃气体以及火焰内部流场的湍流强度，促进了火焰加速。 - The ignition distance is defined as the shortest distance of the flame front to the outlet of the burner, and the experiments show that the average ignition distance is shortened obviously as the coal concentration increases for a kind of bituminous coal.
将火焰锋面到燃烧器出口的最近距离定义为着火距离，对一种烟煤的试验研究结果表明，随着煤粉浓度的提高，其平均着火距离明显缩短。 - With the help of an image acquisition and processing system a visualization study was conducted of the coal gas flame of a radially stratified swirl-type burner. The quantitative analysis of a separated flame front was then performed through the use of a fractal theory.
通过所开发的图像采集与处理系统，对一台径向分层旋流燃烧器的煤气火焰进行了可视化研究，并应用分形理论对所提取的火焰锋面进行了定量分析。 - The interactions between the flame front, reverse flow and vortices in the burned gas change the flame shape and ultimately the flame front develops into a tulip shape.
火焰前锋、逆向流动与已燃区涡旋运动之间的相互作用将改变火焰形状并使火焰前锋发展成为Tulip形状。 - The pressure wave triggered by the first contact of the flame with the side walls is responsible for the periodic deceleration of the flame front and plays an important role in the formation of the distorted tulip flame.
火焰第一次接触管道侧壁面时所触发的压力波是变形Tulip火焰传播过程中火焰前锋急剧减速和周期性振荡现象的直接原因，并对变形Tulip火焰的形成具有重要作用。 - In addition, the degree of chaos of time series in flame front region is greater than other regions.
在同一工况下，火焰锋面区域温度时间序列混沌程度比火焰其他区域要高。 - In the reaction of H2 and air, the pressure and temperature rise with time. Furthermore, compression wave appears ahead of flame front. Otherwise, gas density decreases behind of flame front.
氢气与空气反应过程中，管道内压力和温度随着时间增加而升高，火焰阵面前出现压缩波，火焰面后的气体密度降低。 - The detonation process is simulated, and the results show that flame front and the pressure wave transmit at the same time, and then shock wave is generated.
模拟颗粒的爆炸过程表明，爆炸过程中火焰前锋面与压力波同速传播，产生激波。 - While the lean fuel flame front became asymmetrical firstly, after then the Tulip flame structure came into being.
贫燃条件下，火焰阵面很快变成不对称结构，然后开始形成Tulip火焰结构。 - Propagation characteristics of flame front and the combustion characteristics of start-up conditions in the porous media reactor filled by alumina pellets and ceramic foam was obtained though the experiments of methane/ air premixed gas combustion in porous media reactor.
基于多孔介质反应器中甲烷/空气预混气体燃烧实验，揭示了多孔介质内的火焰前沿传播特性和氧化铝小球和泡沫陶瓷反应器中启动工况中的燃烧特性。 - The parameters changes of flame front in tube with the same gas concentration were compared with obstacles or without obstacles.
比较了有/无置障两种情况下同一浓度瓦斯传播火焰阵面的参数变化情况。 - In early stage of flame propagation, the small scale vortex increased the combustion reaction intensity, but did little influence on the flame front structure.
在预混火焰传播初期，小尺度涡流增大反应强度，但不影响火焰阵面结构；当大尺度涡流出现后，导致火焰阵面厚度变大，同时伴随着反应区的震荡。 - With the distribution of turbulence intensity, it can be find that the turbulent kinetic energy on the flame front enhanced gradually as flame propagating forward.
通过对湍流强度分布的研究发现，随着火焰的传播，其阵面上的湍流逐渐加强。