detonation wave

The structure of detonation wave and thermal cycle process of PDE were analyzed.

对爆轰波结构及脉冲爆轰发动机的热循环过程进行的分析。

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Influenced by the rarefaction waves from the left sharp corner, the leading shock was disturbed and separated from the reaction zone. Therefore, the detonation wave was degenerated into a deflagration wave.

当爆轰波在左尖点处绕射，受稀疏波作用，诱导激波与化学反应区明显分离，导致爆轰波衰减为爆燃。

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Different screw-pitch and inner diameter ratios can affect the formation of the detonation wave. Steady and fully-developed detonation waves are successfully obtained when screw-pitch and inner diameter ratio is approximately 0.77, with the shortest deflagrate to detonation transition ( DDT) distance.

不同扰动螺纹螺距内径比对爆震波的形成有一定的影响，当螺距内径比约为0.77时可以产生稳定的、充分发展的爆震，而且对应的DDT距离较短。

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Periodicity advance model of 1-D slab symmetry detonation wave is investigated.

一 维 平面对称爆轰波的推进具有周期性.

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The numerical calculation of the formation and propagation process of oxy-hydrogen detonation wave was made. Results show that CESE method and elementary chemical reaction model are applicable to simulate the refined structure of oxy-hydrogen detonation wave.

对氢氧爆震波的形成和传播过程进行数值计算，结果表明，应用CESE方法和基元化学反应模型能够成功地模拟氢氧爆震波的精细结构。

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It is shown that the detonation wave is weakened to deflagration partly in initial stage of propagating into the large section channels according to detonation wave diffraction.

结果表明：爆轰波在进入突扩通道初始阶段的衍射使爆轰波局部向爆燃转变；

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An analytical solution is obtained for the diffraction of a strong detonation wave by a three-dimensional thin body moving in the opposite direction.

本文用奇点分布法研究平面强爆震波对运动三维薄物体的绕射问题，并求得解析解。

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Effects of partial detonable mixture filling proportion on detonation wave pressure properties of kerosene/ air pneumatic-valve pulse detonation engine were investigated. A preliminary analysis of a series of wave's reciprocity was carried out.

研究了不同部分充填比例对煤油/空气气动阀式脉冲爆震发动机（PDE）的爆震波压力特性影响，初步分析了部分充填的爆震管内一系列波相互作用的机理。

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The computed evolution of detonation wave involving the re-initiation is in good agreement with schlieren images.

计算得到的二次起爆过程波系演变与实验纹影照片基本一致.

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Estimation of the transverse wave strength in gaseous detonation by C-J sound speed

用C-J声速估算气体爆轰波模波强度的方法

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Besides, all detonation tubes reached the speed of detonation wave when the local evaporator was employed to improve the fuel evaporation.

采用局部蒸发器改善燃油蒸发后，爆震管都达到了爆震波的传播速度。

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Experimental Investigation on Effects of Kerosene Temperature on Detonation Wave Formation

煤油温度对于爆震波形成影响的实验研究

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Based on the coordinately working of air-breathing gasoline-air pulse detonation engine ( PDE), the pressure peaks of detonation wave were measured using pressure sensor.

在汽油空气吸气式脉冲爆震发动机（PDE）协调工作的基础上，利用动态压力传感器测量了爆震波峰值压力。

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The results show that increasing the quality concentration of local oxygen in ignition areas can accelerate chemical reaction rate, enhance the combustion wave intensity and shorten the time and distance of ignition-detonation process.

结果表明：提高点火室局部氧气的质量浓度能在点火后加速化学反应速率，增强燃烧波强度，缩短点火起爆的时间和距离。

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In this paper the numerical simulations of detonation wave propagation in a tube with a cavity ring are conducted by solving axis-symmetric Euler equations.

对充满氢氧可燃气体、带扩容腔的正向爆轰驱动的激波风洞进行了数值模拟。

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element potential approach and its application to calculation of characteristic parameters of detonation wave

元素势法在爆震波特征参数计算中的应用

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It is very difficult and not veracious to simulate the three dimensional detonation wave propagation by means of fluid mechanics code.

三维爆轰波传播的数值模拟，采用流体力学编码计算是十分困难且很不准确的。

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Stumbling blocks, changing section, piping bifurcation and timbering accelerate the gas explosion flame and explosion wave, which induce turbulence and detonation wave.

变断面、巷道分叉及管内设置螺旋环对瓦斯爆炸过程中的火焰和爆炸波传播具有加速作用，诱导湍流的产生，引起爆轰。

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contrasting; comparative experimental study on single detonation wave

单次爆震波的对比实验研究

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Therefore, it is very important to make scientific research on detonation wave transmission in the design of initiators and pyrotechnics.

因此，研究小尺寸装药的爆轰波传播便成为火工品设计的重要课题。

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The results indicate that the attack angle can largely affect the configuration and structure of detonation wave.

计算结果表明三维数值模拟可以更准确的描述弹丸飞行攻角对爆轰波的形成及结构的影响，是进一步研究超驱爆轰推进技术的重要手段。

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