查询词典 combustion engineering

According to the experiment results,the author analyses the combustion propagation mechanism of detonator delay composition and believes that the combustion in the lead tube is impulsive combustion,which is the key factor of influencing the delay precision of the detonator;secondarily,the effect of the igniting power terminal is also very obvious.

本文实验测试了硼系延期药和硅系延期药燃烧传播过程，根据实验结果分析了延期药燃烧传播机理，认为延期药在铅管内的燃烧是脉动燃烧，是影响雷管延期精度的主要因素，其次点火药头的影响作用也十分明显。

A method and apparatus for increasing the propelling force of pulse engine features that the fuel nozzle of pulse explosion engine is arranged in combustion chamber to close jet tube exit, and the fuel is reversely sprayed out to generate a shock wave barrier near the jet tube for preventing the airflow from flowing out of the combustion chamber, resulting in raising the pressure in combustion chamber and in turn increasing the propelling force.

本发明公开了一种提高脉冲发动机推力的方法和装置，它是通过将脉冲爆轰发动机的燃料嘴置放在燃烧室中靠近喷管出口附近，并使燃料逆向喷出，在燃烧室内靠近喷管附近形成一道阻止气流流出燃烧室的激波，激波的作用是使燃烧室压力升高，从而的到较大的推力。同时由于本发明的结构特别的简单，所以实现非常容易，并且工作效果十分显著。

Compared with the actual resultof using gas generator as combustion supply, the doughnut-shaped furnace can reduce the energy consumption, cut down combustion of base tube, reduce the time of temperature increasing and decreasing and reduce pollution to a large extend by using industrial gas and adopting the regenerative combustion system and fuzzy PID technology.

6通过实际使用比较，环形炉采用工业煤气燃烧，使用蓄热式燃烧系统和模糊PID控制技术，比较使用煤气发生炉作为燃烧供应，可以很大程度的降低能耗、减少管坯烧损、降低升降温时间和减少污染。

Creation mechanism of combustion noise was discussed,and the effect of the maximum combustion pressure,the maximum pressure rise rate and high frequency pressure oscillation on diesel engine combustion noise with different pilot injection strategies adopted were analyzed.

讨论了燃烧噪声的产生机理，分析了直喷式柴油机采用不同的预喷射策略，气体最高燃烧压力、最大压力升高率及气体高频压力振荡对燃烧噪声的影响。

In view that the combustion efficiency and flame stability are affected by the interaction of flow and combustion, further systematical research on phenomena and mechanism of the interaction between flow and combustion in supersonic combustors is needed.

由于流动与燃烧的相互作用直接影响超声速燃烧室中的燃烧效率与燃烧稳定性，因此有必要对超声速燃烧室中流动与燃烧的相互作用现象及其机理进一步开展系统深入的研究工作。

A new method of fuel design to control HCCI combustion was given. n-heptane/iso-octane was controlled real-time on a single-cylinder HCCI combustion engine. The test result shows that the equivalence ratio of n-heptane in mixture decides the HCCI ignition and controls the combustion phase of HCCI.

根据燃料设计的思想，提出了混合燃料比例实时优化的均质充量压缩着火燃烧控制新方法，并在HCCI单缸发动机上进行了HCCI异辛烷／正庚烷实时控制试验。

2Theory of pulse combustion was analyzed and its mechanism were discussed with planewave transferring theory in the thesis.Models of pulse combustor were reviewed and analyzed.Theone-dimensional unsteady nonlinear model of pulse combustor was simplified with lineal method.The phase relation between pulse pressure and combustion heat discharge which may prompt ordamp pulse combustion process were discussed.

对脉动燃烧理论进行了分析探讨，从平面波的传递理论出发，分析了脉动燃烧的机理；在归纳综合现有的脉动燃烧器理论模型的基础上，采用线性化分析方法，对一维非线性脉动燃烧器理论模型进行了简化，并定性分析了脉动压力与燃烧放热之间的相位关系对脉动燃烧过程的激励和阻尼作用。

But the combustion of coals can be considered as the combustion of volatiles first and the combustion of char following.

煤的燃烧一般可以近似看作挥发分的释出和燃烧，然后是焦炭缓慢的燃烬。

According to the production mechanism and characteristic of NOx,the technologies of NOx inhibiting and removing in the process of coal combustion were classified into three kinds:nitrogen-free combustion,low NOx combustion and de-nitrification of flue gas.

根据NOx产生的机理和特点，燃煤过程NOx抑制与脱除技术主要包括无氮燃烧技术、低NOx燃烧技术以及烟气脱硝三类。

Control systems allow the independent control of the quantity, temperature and pressure of the air, fuel and non-flammable liquid introduced in the combustion chamber allowing control of the maximum temperature and average temperature within the combustion chamber as well as the temperature of the exhaust from the combustion chamber.

控制系统可以独立控制引入燃烧室中的空气、燃料和非可燃烧液体的数量、温度和压力，从而可以控制燃烧室中的最大温度和平均温度，以及燃烧室的排出温度。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。