暴燃-可燃气体或蒸汽及空气混合物的燃烧,火焰通过混合物传播,产生了可以忽略的超压或不会造成损坏的超压。
Flash fire - the combustion of a flammable gas or vapor and air mixture in which the flame propagates through that mixture in a manner such that negligible or no damaging overpressure is generated.
研究预混火焰在圆管或平行通道中的传播,对许多工业燃烧装置或系统的安全操作和实际应用都具有重要的意义。
It is very important to study the propagation of premixed flame in a round tube or parallel channels for the safe operation and application of many industrial combustion facilities and systems.
本文对微重力条件下单滴燃烧和固体可燃物表面火焰传播过程的研究作了简要评述。
A brief review of droplet burning and flame spreading over solid combustibles in microgravity environment has been presented in this paper.
研究了超声速预混可燃气流的温度以及当量比对超声速燃烧流场结构、点火与火焰传播特性的影响。
The effects of temperature and equivalence ratio of supersonic premixed combustible flow on the structure of supersonic combustion flow field, ignition and flame propagation were studied.
对障碍物在瓦斯煤尘燃烧爆炸过程中的火焰传播规律进行了实验研究,结果表明:障碍物对火焰的传播速度具有重要的影响。
Experimental study was conducted on the propagation regularity of flame in the process of gas and coal-dust combustion and explosion in the existence of obstacle objects.
在理论上阐述了完全预混式燃烧器火焰稳定原理、燃烧的稳定性和影响火焰传播速度的几种因素。
The article elaborates on the theory of flame stability, combustion equilibrium, and some factors affecting flame propagation speed.
压力变化速率对火焰传播和燃烧室充气过程也有重要影响,应当加以考虑。
Moreover the rate of pressure change also plays an important role in the phases of flame-spreading and chamber-filling, and should hence be accounted for in the prediction.
进气冲程缸内形成的流场状态直接影响发动机燃烧过程中火焰的传播速度、燃烧的稳定性以及燃烧是否彻底,进而也影响着发动机的功率。
The flow character in the intake process would affect the spreading velocity of the flame, the stability of the combustion and its combustion efficiency.
由于火焰传播问题是特征值问题,本文采用固定燃烧器内某一点温度的方法求解。
Because this problem is an eigenvalue problem the thesis USES the method of fixing the temperature at one point to solve it.
优化设计的燃烧室,加快了燃烧过程中火焰的传播速度,有效防止爆燃的产生,使活塞传热更加均匀,排放更低。
The optimized combustion chamber accelerates the transferring speed of the flame, prevent the deflagrating, even the heat transfer on the piston and lower the amount of the exhausting.
爆燃过程是一种以低于音速而传播的燃烧波。
Deflagration is combustion wave propagating at a velocity less than the speed of sound.
根据汽油机燃烧过程中火焰电离的原理,成功地试制了一台火焰传播测量仪。
Based on the flame ionization principle, a flame detector was developed to investigate the flame propagation inside the gasoline engine cylinder with TJ-jet combustion system.
在废气稀释情况下,燃烧时间延长,在高初始燃烧压力时,火焰传播速度下降更明显。
At the exhaust gas dilution condition, the burning duration is extended and the flame speed drops faster at high initial pressure than at low one.
研究表明,火焰传播结束时刻对应于燃烧室升压速率极大值,尾部翼槽内火焰传播过程不连续。
The study indicates that the end of flame spread over grain surface corresponds to Max value of pressure rise rate and the flame is not continuous in fin slots.
本文首先从理论上分析了传统汽油机热效率低的原因,指出其“单点点火、火焰传播”的燃烧方式是症结所在。
First of all, the reasons why the combustion efficiency of gasoline engines is lower than diesel were analyzed theoretically.
在对定容燃烧弹内火焰进行拍摄分析的基础上,研究生物添加剂对滞燃期,火焰传播的影响。
In this dissertation, based on analysis for the combustion in a constant volume combustion bomb, the parameters such as combustion delay period, combustion-flame propagation have been investigated.
此模型能根据实测的燃烧压力曲线计算出层流燃烧速度、已燃气火焰温度及火焰传播速度等参数随压力、当量比、发动机转速、点火提前角的变化规律。
The variation of combustion velocity, fired gas temperature and flame propagation speed, when the press, excess air ratio and ignition timing changed, was calculated by this quasi-dimensional model.
泄爆诱导流动通过加速火焰传播、加剧火焰变形、增大火焰面积对容器内燃烧产生增强作用,泄爆流动大小主要由泄爆面积决定。
The venting induced flow result in the flame acceleration, deformation and area increase, and the strength of venting induced flow is dominated mostly by the venting area.
根据汽油机燃烧火焰电离原理,试制成功了一台火焰传播测试仪。
Being based upon the flame ionization principle, a flame detector to investigate the flame propagation inside the gasoline engine is developed.
大火也有益于植物的生长,因为它减少了疾病地传播,从燃烧后的植物中释放营养成分到土壤促进生长。
Wildfires can also benefit plant growth by reducing disease spread, releasing nutrients from burned plants into the ground and encouraging new growth.
固体火箭发动机的点火是一个十分复杂的物理化学过程,包括三个阶段:点火延迟、火焰传播和燃烧室气体充填。
The ignition of the solid rocket motor (SRM) is a very complex physical and chemistry process, which is composed of three component phases: ignition delay, flame spreading and chamber filling.
研究了燃烧波波速、火焰传播速率、最高燃烧温度等燃烧特性参数,将计算结果与实验结果以及前人的理论结果进行对比。
Some characteristic parameters, such as the combustion wave velocity, the flame speed and the peak flame temperature, are predicted. Analytical results have been compared with the related e...
在沿火焰传播的通道上设置障碍物,对气相火焰具有加速作用,这种加速作用的机理可归功于障碍物诱导的湍流区对燃烧过程的正反馈。
The obstacles set in gas flame propagation channel have acceleration action on the gas-phase flame. The acceleration mechanism can be attributed to …
在沿火焰传播的通道上设置障碍物,对气相火焰具有加速作用,这种加速作用的机理可归功于障碍物诱导的湍流区对燃烧过程的正反馈。
The obstacles set in gas flame propagation channel have acceleration action on the gas-phase flame. The acceleration mechanism can be attributed to …
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