If the explosion is some distance away, it could take 3 0 seconds or more for the blast wave to hit.
如果爆炸距离较远，爆炸产生的冲击波会在30秒左右到达。
The initial rapid expansion of the fireball severely compresses the surrounding atmosphere, producing a powerful blast wave.
火球最初的迅速膨胀剧烈地压缩着周围的大气，产生了威力巨大的冲击波。
When the star exploded, it sent out a blast wave into the surrounding material, scooping up interstellar dust and gas as it went, like a snow plow.
当这颗恒星爆发的时候，它产生的冲击波向周围扩散，如同一个铲雪犁一般掀起路径上的星际尘埃。
As the supernova blast wave slams into tenuous clouds of interstellar gas, the resulting collision heats and compresses the gas, causing it to glow.
当高速行进的超新星冲击波与稀薄的星际气体相撞时，气体受到压缩和加热，因此而发光。
The method can be applied to predict the damage or safety of the naval panels under explosive blast wave and can also provide a theoretical reference for safety defense design of a warship.
可应用于舰船结构在爆炸冲击波作用下的毁伤或防护方面的预测，从而为舰船的安全防护设计提供理论依据。
The interaction between an oblique blast wave and supersonic blunt cone was discussed.
本文讨论了斜爆炸波与超音速钝锥激波层的相互作用问题。
The regularity of blast wave overpressures for explosions in air was studied analytically.
用解析方法对空气中爆炸时爆炸波超压的变化规律进行了理论分析。
As the depth of burst increases the amount of energy going into the air blast wave decreases.
随着爆炸深度的增加，转化为空中爆震波的能量便减少。
As the depth of burst increases, the amount of energy going into the air blast wave decreases.
随著爆炸深度的增加，转化为空中爆震波的能量便减少。
The maximum value, i. e. at the blast wave (or shock) front, is called the "peak overpressure."
位于冲击波波阵面上的最大超压值称为“最高超压力。”
On the whole, these mechanical effects on the blast wave are small and have little influence on overall damage.
总的来说对爆震波所起的这些力学效应是很小的，因而对整个破坏所产生的影响不大。
When the primary air blast wave from the explosion strikes the ground another blast wave is produced by reflection.
当爆炸引起的入射冲击波触及地面时，由于波的反射便产生另一冲击波。
When the primary air blast wave from the explosion strikes the ground, another blast wave is produced by reflection.
当爆炸引起的入射冲击波触及地面时，由于波的反射便产生另一冲击波。
Objective To compare the propagation speed and physical parameters between underwater blast wave and air blast wave.
目的对比研究水下冲击波和空气冲击波的传播速度和物理参数。
The distribution of overpressure field and the biological effects of muzzle blast wave during gun firing were explored.
初步探讨了炮口冲击波的超压场分布和生物效应。
Finally, at long ranges, the blast wave becomes essentially a sound wave and its velocity approaches ambient sound velocity.
最后，在很远的距离处，爆震波基本上就变成一种声波，其速度已接近周围的声速。
The aerodynamic pressure expression at jet location and in the area of jet interaction is established by blast wave principium.
采用爆炸波原理建立了喷流区和喷流干扰区的气动压力计算模型。
The relationship between blast wave pressure and blast wave velocity is deduced, which can calculate the blast wave pressure indirectly.
推导了激波压力与波速的关系，实现了激波压力的间接测量。
RESULTS:The physical parameters of underwater blast wave were characterized by high peak pressure, short positive duration and great impulse.
结果：水下冲击波物理参数的特征表现为高的峰值压力，正向持续时间较短，冲量较大。
Objective To compare viscera injuries caused by underwater blast wave and air blast wave, and to provide some basis for their prevention and treatment.
目的对比研究水下冲击波与空气冲击波对生物内脏的损伤效应，为其防治提供一定的依据。
Propagation law and overpressure load of blast wave in urban complex environment are simulated and analyzed using LS-DYNA3D software and the ALE method.
该文利用LS - DYNA软件，采用ALE方法，对城市复杂环境中爆炸波的传播规律与超压荷载进行了数值模拟和分析。
Objective to reproduce an experimental model of blast injury to dog brain simulating the mechanism of primary effect of the blast wave of explosive weapons.
目的建立与爆炸性武器冲击波原发效应致伤机制近似的犬颅脑爆炸伤模型。
ResultsThe physical features of underwater blast wave were characterized by high peak pressure, short positive action duration, and higher intensity of impulse.
结果水下冲击波物理参数的特征表现为高的峰值压力，正向作用时间较短，冲量较大。
The results indicate that the decay coefficient of the peak value of blast wave with the distance will be reduced as the hole depth (charge length) is increased.
计算表明，炮孔深度(装药长度)增大，爆炸应力波峰值随距离的衰减指数减小。
The explosion effects of thermobaric explosives, especially the parameters of the blast wave in a confined space, are studied both experimentally and numerically.
本文从实验和数值模拟两方面对温压炸药的爆炸特性进行了研究，重点研究了有限空间内爆炸冲击波参数。
This paper is concerned with the transient responses of semisphere containment structure of nuclear reactor to a blast wave by the boundary element method in time domain.
本文用时域边界积分方程提出研究半球形核反应堆安全壳在爆炸冲击波作用下动力响应分析的计算模型。
Based on the basis of traveling wave energy absorption method, the formula of allow tension increment of anchorage cable under condition of the blast wave shock is derived.
依据行波能量吸收方法推导出了锚杆受爆炸波冲击时所需张力增量计算公式。
From both theoretical and experimental research, the damage effect and propagation law of blast wave for small thermo-baric warhead explosives in air are discussed in this paper.
本文从理论和实验两方面对小型温压弹的冲击波的传播规律以及杀伤效应进行了研究。
From both theoretical and experimental research, the damage effect and propagation law of blast wave for small thermo-baric warhead explosives in air are discussed in this paper.
本文从理论和实验两方面对小型温压弹的冲击波的传播规律以及杀伤效应进行了研究。
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