燃烧中

In this reaserch, the combusion characteristics of coal in the special circumustance of calciner have studied, involving the catching fire properties, kinetic features of combussion and interaction of coal with CaCO〓 etc.

本研究对煤在分解炉内的燃烧特点进行了研究，根据煤在分解炉中燃烧的环境和特殊条件，对煤的着火特点、燃烧的动力学特性、煤与碳酸钙的相互作用等进行了分析和研究。

The high frequency combustion instability in liquid rocket engine LRE is analyti cally studied by usin g CFD methods.The comprehensive model and governing equations for numerical simu lation of high frequency combustion instability are presented.The PISO and MacCo rmack algorithms are compared in this study.Both methods can successfully handle combustion instability analysis.

应用CFD方法对液体火箭发动机中的高频燃烧不稳定性进行了分析研究，建立了液体火箭发动机不稳定燃烧数值模拟的综合模型和控制方程，比较了PISO和Ma cCormack两种算法，得出了两种算法均能成功应用于不稳定燃烧分析的结论。

The properties of turbulence which characterized as the movement of vortexes influenced the heat and mass transfer, propagation of flame in the combustion process deeply, at the same time, the turbulent combustion based on the turbulent flow coupled with the intense chemical reactions, meanwhile, the heat releasing and the transfer of species concentration cause the nonnegligible effects on the turbulence and its structure.

以涡运动为特征的湍流的性质对燃烧过程中传热、传质和火焰传播都具有重要的影响；同时，湍流燃烧过程则是在湍流流动基础上再耦合以强烈的化学反应，其间由于燃烧造成的热释放、组份浓度的迁移等同样会对湍流流场产生不可忽视的作用。

Combined with petrographic observation, simulation conditions of BF tuyere, the burning ratio of different coal sample has been studied.

模拟高炉风口工作条件，测定不同煤粉的燃烧率，结合岩相分析得到：随着煤粉中镜质组含量的增加，煤粉的燃烧率逐渐降低，镜质组含量在30~40%时煤粉的燃烧率较高。

Total entropy and internal energy are used in combustion model to avoid the stoichiometrical assumption.

模型中引入总焓、总内能计算燃油的燃烧，使燃烧可按实际当量比进行，无需引入等当量燃烧假设。

The nature of coupling between combustion and fracture are twofold in the convecting combustion process of crack cavity. On the macroscopic scale; the coupling appears as the energy and mass transforming between the solid phase of the cracked body the gas phase of the flow field. On the microscopic scale, the coupling induces the evolution of the microstructures, which leads to degradation of mechanical properties of solid materials.

从燃烧断裂耦合的内在形式来看，包括两大方面的内容：在宏观表象上，表现为在含能材料裂纹的对流燃烧过程中，固相裂纹体和对流燃烧流场之间的质能交换形式的热力耦合；在微细观运动方面，热和力的作用诱发固体材料微细观运动和组分、结构的变化，最终改变固体材料的宏观力学性能，表现为固体材料的热力损伤过程。

Gasifying the liquid water cannot be neglected because it is heat consuming,thus decreasing the theoretical combustion temperature .

在高炉煤气干湿成分转换时，把煤气中机械水算作水蒸气有失煤气成分的真实性，影响燃烧计算的准确性；煤气燃烧时机械水气化耗热要降低理论燃烧温度，其影响不可忽略。

The stack 2 is provided to ensure that the gases are contained and combusted at a suitable temperature for an extended period of 15 time to ensure the destruction of sufficient combustible gas in the waste gas.

烟囱2的作用是确保气体在适当温度下多燃烧一段时间，从而确保对废气中的可燃烧气体进行充分燃烧。

On the other hand, the large proportion of water in CWS causes ignition delay and flame instability. The great challenge confronted by CWS combustion facility makes it necessary to optimize its geometric structure and working condition.

水煤浆中大量的水分导致点火延迟，难于稳定燃烧，因此也给水煤浆的燃烧设备提出了挑战，需要对燃烧设备的几何结构和操作工况进行优化。

The gas burning and air preheating procedure in flues operates on a cyclic basis in which some flues are burning gas and others are giving up their heat to incoming combustion air.

烟道中煤气的燃烧和空气的预热是循环进行的，当某些烟道正燃烧煤气时，另一些烟道则在加热导入的供燃烧用的空气。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。