激波

The results also show that resonance tube heating effects are related to the pressure oscillations in the tubes, whereas the pressure oscillations are related to the pressure of the driving gas, and further, different types of resonance tubes have significantly different heating properties.

实验结果确认了谐振管加热的主要机理是激波振荡累积加热机制，而且表明谐振温升与管内气体压力振荡幅值有关，而谐振管压力振荡幅值与驱动气体压力有关；结构形式不同的谐振管，加热特性显著不同。

Because the conical resonance tube can enhance shock waves, the gas at the end of the conical resonance tube has higher pressure oscillation amplitudes and higher temperatures and heating rates than that at the end of the cylindrical resonance tube.

因为圆锥形谐振管对激波有增强作用，所以在相同条件下，圆锥形谐振管中气体压强的振荡幅度和加热温度、速度都要高于圆柱形谐振管，因而圆锥形谐振管加热性能比圆柱形谐振管好。

The model was connected directly to the nozzle exit of shock tunnel as the test section. Schlieren photography was used to visualize the flow flield.

模型发动机作为试验段直接连在激波风洞的喷管出口处，采用纹影照相显示流场。

It is shown that under the action of the shock, the region I current moves towards the midnight, accompanied by a successive occurrence of two FAC structures: an anomalous FAC pair of opposite direction to the region I current and a new region I current of the same direction.

模拟结果表明，在激波的作用下，电离层Ⅰ区电流系统向子夜方向运动，在向阳侧相继出现与原Ⅰ区电流反向的异常场向电流对和同向的新生Ⅰ区电流对。

In recent years, the discovery of delta shock wave attracts many mathematical and physical researchers.

近几年来，狄拉克激波的发现，引起数学和物理学研究者的相当关注。

Effects of the strength of shock waves and the material density of particles on flow fields were discussed.

根据实验结果以及斜激波的相关理论，可以确定堆积粉尘的本构方程。

Interface instability accelerated by shocks is very important in science and technology.

激波加速界面导致界面失稳的问题具有重要的理论和实际意义。

In this dissertation, the numerical method solving the model equation influid motion in some sense has solved some tough problems which traditionalmethods cannot, as in the case of capturing shockwave, enhancing resolution, andspeeding computation. In terms of capturing shockwave and enhancing resolution,this method has proved to be superior to difference method; in terms of speedingcomputation, superior to TVD scheme. Particularly, it is highly effective to solveodd singular solution problems.

本文研究的求解描述流体运动的若干模型方程的数值方法，在一定程度上解决了传统方法在某些方面的难点问题，如在捕捉激波、提高分辨率方面优于差分法，在计算速度方面优于TVD格式，特别是对处理有奇异解的问题很有效。

The following experimental results are obtained:(1) Through the dissociation and ionization of sodium amide in a shock tube with a magic hole to provide sodium ions and electrons, the three-body recombination rate coefficient of sodium ion with electron is determined under the condition of argon atoms acting as the third body in the collision process:〓. The experimental temperature range is from 1400 to 2700K, extending the limitation of the flame method.

实验获得了如下结果：（1）在魔洞型单脉冲激波管上以氨基钠粉的高温分解和电离提供钠离子和电子，测定了以氩原子为碰撞第三体时钠离子与电子的三体复合速率系数〓，实验测量温度范围1400～2700K，拓宽了火焰方法测量结果的局限。

The WGVC method has sixth order accuracy, it can capture the shocks and strong contact discontinuity with high resolution, and the method has high performance for parallel computing.

WGVC方法的特点是总体具有六阶精度，对强激波和强切向间断有较高的分辨能力，且便于并行计算。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！