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reflected shock wave
相关语句
  反射激波
     In this paper, the method using relative intensity of spectrum lines of iron atoms to measuxe the temperature of reflected shock wave in the tube is described.
     本文描述了用铁原子谱线的相对强度测量激波管中反射激波后温度的方法。
短句来源
     The measure-ment is made within the area just behind the reflected shock wave, the gas being in thermal eguilibrium at temperature from 6038 to 6160°k.
     测量在反射激波区进行,激波管中产生6038—6160°K的高温热平衡气体。
短句来源
     The intensity of the radiation for the (1.4)-band just behind the reflected shock wave, which increases linearly with time, is recorded with a photoelectric device.
     在反射激波后,(1,4)带的辐射强度随时间呈线性增加,用光电方法记录了这种变化。
短句来源
     For this, the gaseous equilibrium species and the parameters of thermodynamics and shock wave behind incident and reflected shock wave are calculate respectively in IBM-PC microcomputer by using our program.
     为进行有关的计算,通过自编程序,在IBM—PC微机上计算了激波管中入射激波和反射激波后气体的平衡组分、热力学量和激波参数.
短句来源
     Problems of seal,gas mix,heat dispersion,heat feedback and reflected shock wave are indicated and have been solved
     结果表明 ,它有效地解决了密封、进口充排气混合、热端散热、管壁热反馈及消除反射激波等问题 ,并使制冷机的等熵效率得到了进一步的提高
短句来源
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  反射冲击波
     Through experiments, the influence of water bottom on the explosion effect of shallow-layer water charging is researched. The results show that premonitory wave, reflected shock wave, the Mach reflection of the bottom and thin wave are the factors which affect the explosion effect shallow-water charging, also the main functions of these factors are described in details.
     通过实验,对浅水中装药爆炸时水底作用的影响效果进行了研究,指出影响装药浅水中爆炸效果的因素主要有水底前驱波、水底马赫波、水底反射冲击波、水底反射和水底反射稀疏波,并对这些因素的主要作用进行了详尽的阐述。
短句来源
     the explosion loads acting on the gross panel inside a cabin,include reflected shock wave,converged shock wave on the corner,and the quasi-static pressure. Intensities of converged shock wave on the corners of two gross panels and three gross panels are 5 and 12 times larger than that of the reflected shock wave respectively.
     舱内爆炸载荷主要有壁面反射冲击波、角隅汇聚冲击波以及准静态气体压力,其中两壁面和三壁面角隅汇聚冲击波的强度分别为相同部位壁面反射冲击波强度的5倍和12倍以上;
短句来源
  “reflected shock wave”译为未确定词的双语例句
     It has been confirmed by experiments that the boundary layer suction can efficiently eliminate the separation due to interaction of a reflected shock wave with the wall boundary layer.
     实验证实了边界层抽吸可以有效地减小激波与壁面边界层相互作用所产生的分离现象。
短句来源
     Second,it also should assure that the reflected shock wave should be reach to the contact interface between detonation products and the air earlier than that of the reflected rarefaction wave from the bottom of the blast hole.
     (2)反射压力波应该到达空气与爆生气体接触面的时间比从孔底反射的稀疏波到达空气与爆生气体接触面的时间要早。
短句来源
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  reflected shock wave
The results show that the reflected shock wave from the substrate dies out extremely fast that micron-sized particles used in PDTS do not encounter these transients.
      
Upon interaction of the shock wave and the combined discontinuity, the type of the transient or reflected shock wave may coincide with or differ from the type of the incident shock wave.
      
Lifting of dust particles behind a reflected shock wave sliding above a particle layer
      
Regimes in which a reflected shock wave does not appear at all have been found in the problem of shock-wave reflection from a rigid wall.
      
A criterion of formation of a reflected shock wave is obtained based on the numerical and analytical solutions of the problem.
      
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The method of heating an experimental gas in a shock-tube is utilizted to measure the oscillator strength of the second positive band system of the nitrogen molecule. The measure-ment is made within the area just behind the reflected shock wave, the gas being in thermal eguilibrium at temperature from 6038 to 6160°k. The intensity of the radiation for the (1.4)-band just behind the reflected shock wave, which increases linearly with time, is recorded with a photoelectric device. The intensity is...

The method of heating an experimental gas in a shock-tube is utilizted to measure the oscillator strength of the second positive band system of the nitrogen molecule. The measure-ment is made within the area just behind the reflected shock wave, the gas being in thermal eguilibrium at temperature from 6038 to 6160°k. The intensity of the radiation for the (1.4)-band just behind the reflected shock wave, which increases linearly with time, is recorded with a photoelectric device. The intensity is then calibrated with a standard lamp. The measured oscillator strength is 0.165,

利用激波管加热实验气体的方法测定了氮分子第二正常系的振子强度。测量在反射激波区进行,激波管中产生6038—6160°K的高温热平衡气体。在反射激波后,(1,4)带的辐射强度随时间呈线性增加,用光电方法记录了这种变化。该带的辐射强度用标准光源作了校准。振子强度的测量值为0.165。

Equilibrium radiation of the infrared molecular band near 1 μ from shock-heated air is measured. The measurements are performed behind the reflected shock wave. The initial pressure in the shock tube is varied from 0.1 to 1 mmHg and the temperature range covered is from 6000 to 7500K.The measured radiation of air at elevated temperatures exceeds that from N2(1+) by a factors 2-5 at λ =1.04 μ, and the excess rises with the increase of P1. The excess radiation data are normalized with respect to both...

Equilibrium radiation of the infrared molecular band near 1 μ from shock-heated air is measured. The measurements are performed behind the reflected shock wave. The initial pressure in the shock tube is varied from 0.1 to 1 mmHg and the temperature range covered is from 6000 to 7500K.The measured radiation of air at elevated temperatures exceeds that from N2(1+) by a factors 2-5 at λ =1.04 μ, and the excess rises with the increase of P1. The excess radiation data are normalized with respect to both NO and N2. After potting all these normalized data against 1/T, it is found that a single straight line is obtained for No-normalized,although a series of straight lines parallel to the former are given for N2, which are translated lower with the decreasing of P1. These results show that the radiation from shock-heated air in the near IR portion of spectrum are closely correlated with NO rather than N2 and air excess radiation in this wavelength region does not originate from N2 but NO. On the other hand, under some test conditions (for example, P1 is kept constant) the measured intensity data exhibit a seeming dependence on the N2 concentration since N2 concentration almost linearly correlates with NO in these cases. That led to an incorrect view in some past literatures, which attributed all of the near infrared radiation emanating from hot air to the N2(1+) system. The result of the present experiment clarify the relation of radiation in the near IR spectrum of air with NO and N2 concentration and provide new experimental evidence for the NO hypothsis.

在ψ800mm低密度激波管的反射激波后,对高温平衡空气1μ附近分子带系辐射再一次进行了测量。激波管内初始压力取为0.1—lmmHg,测量的温度范围为6000—7500°K,相应的标准密度范围ρ/ρ_0≈0.016—0.1。 λ=1.04μ,测量的空气辐射比N_2(1+)频带贡献的辐射值约高2—5倍,超过量随P_1的增加而升高。过量辐射用NO分子密度归一化后对1/T作图,得到一条直线;而对N_2归一化后的作图,得到与前者平行、随P_1降低而从上向下平移的一组直线,这是联系空气辐射与氮分子的一种特有的新规律。它说明,除了激波管内初始密度维持不变之外,激波加热空气的近红外辐射与N_2分子之间,并不存在似它与NO及纯氮辐射对N_2分子那样的相关关系;揭露出过去激波管关于空气近红外辐射测量中出现的与NO假设和否定氮为主要辐射源的观点相矛盾的实验现象——所测强度数据似可用N_2(1+)来说明,是因密度范围较窄而造成的一种假象。因而,测量为论证空气在近红外的主要辐射源为NO而不是N_2提供了新的实验依据,并使以往激波管测量中的矛盾统一起来了。

In this paper, the method using relative intensity of spectrum lines of iron atoms to measuxe the temperature of reflected shock wave in the tube is described. The measured results have been compared with the theoretical values and the result is satjsfactovy.

本文描述了用铁原子谱线的相对强度测量激波管中反射激波后温度的方法。测量结果与计算值作了比较,结果是令人满意的。

 
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