During fracture propagation driven by detonation gas in oil well, dynamic response of crack surface under the gas pressure results in fast fracturing.
油井爆生气体对岩石劈裂作用过程,是裂缝面对动态荷载响应并使其发生动态扩展的过程。
The results show that the detonation characteristic of gas detonation spray gun mainly depends on different gas detonation system and mixed gases matching.
结果表明,爆炸喷涂气相爆轰系统爆轰特性主要取决于气相系统的选择和初始混合气体配比。
On the basis of field experiment, the practical application properties of gas detonation system is investigated.
在现场试验的基础上,对气相起爆系统的实际应用性能进行了初步研究。
A prototype of pulse detonation rocket engine (PDRE) is introduced to solenoid valves for the control of oxygen, kerosene and isolation gas; thus continuous combustion is avoided.
简述了脉冲爆震火箭发动机的实验系统,利用电磁阀控制煤油,氧气和隔离气体,避免了连续燃烧。
However, once the natural gas explodes in the ignition procedure, its detonation injury scope, destruction scope and the accepted risk scope become the key points of ignition decision.
然而,点火过程中一旦发生天然气爆炸,其可能的爆炸伤害范围、破坏范围以及是否在可接受风险范围,就成为决策能否点火的关键。
The Fe-Al coating sprayed by gas detonation-gun has a good property of resistant-corrosion.
采用气体爆燃喷涂技术制备的铁铝涂层具有良好的耐蚀性能。
An experimental method for the study of deflagration-to-detonation transition (DDT) of combustible gas is introduced in this paper, and the merits of the method are discussed.
文章首先介绍了一种用于可燃气体爆燃转爆轰研究的实验方法,阐述了该方法的优点及前景。
However, the further increase in detonation frequency and gas-flow rates caused structure worsening and hardness declining of the coat.
但是当爆炸频率和气体流量进一步升高时,涂层的组织反而恶化,硬度降低。
This paper is mainly concerned with the experiment exploration of catalyst effects on aerodynamic heat in real gas effects in JF-10 oxygen hydrogen detonation driving shock tunnel.
主要介绍了在氢氧爆轰驱动高焓激波风洞中进行真实气体效应中催化效应对气动热影响的实验研究。
This paper is mainly concerned with the oxygen hydrogen detonation driving technique, which is used in JF-10 shock tunnel to explore the high temperature real gas effects on heat transfer.
本文主要介绍了爆轰波驱动技术在激波风洞实验方面的应用。首先,JF-10高焓激波风洞,经过努力成功地实现带扩容腔的变截面氢氧爆轰方式运行。
Using this chart to distinguish the explosion danger caused by the mixture of gas and air is more complete and accurate than the chart of gas detonation triangle.
采用它判别瓦斯与空气混合气体的爆炸危险性时,比用瓦斯浓度三角形更加全面、准确。
At the same time, for the detonation products, the JWL state equation is adopted, and the air is approximately regarded as the ideal gas.
同时对于爆轰产物采用了JWL状态方程,并将空气简化成理想气体。
With simulation of unstable interfaces with different gas species, temperatures, inflow pressures and velocities, overdriven detonation initiation process is analyzed and illustrated.
通过对不同初始条件下界面失稳过程的模拟和分析,研究了混合气体的组元、温度,来流的压力、温度、速度对过驱动爆轰波形成的影响。
Unsteady detonation in gas-fuel droplet systems and suspended aluminum dust was theoretically, numerically studied in this thesis.
本文对气体与碳氢化合物液体燃料颗粒以及悬浮铝粉尘中的非定常两相爆轰进行了理论和数值研究。
Unsteady detonation in gas-fuel droplet systems and suspended aluminum dust was theoretically, numerically studied in this thesis.
本文对气体与碳氢化合物液体燃料颗粒以及悬浮铝粉尘中的非定常两相爆轰进行了理论和数值研究。
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