查询词典 combustion

The specimens may not have glowing combustion that persists for more than 60 seconds after the second removal of the test flame.

没有任何试片在第二次测试火焰移开后燃烧持续超过60秒钟。

Besides, we investigated the influence of fuel dilution of combustion products on flamelet model.

另外，考察了燃烧产物的稀释对于火焰面模型建库产生的影响。

Applications of the Laminar Flamelet Model to Turbulent Combustion in Diesel Engines

将湍流燃烧的层流小火焰模型应用于典型的柴油机扩散燃烧过程。

This builds up the fundamental of the flamelet model, and makes it possible to use the laminar flamelet model to simulate the complicated turbulent combustion process in diesel engines.

层流小火焰模型在近年来得到了广泛的应用，但是，在内燃机上的应用却不多，国内关于此方面的研究基本上仍是空白。

The coherent flamelet combustion model is first used in swirl chamber diesel engine.

首次将相关火焰微元燃烧模型应用于涡流室式柴油机中。

The assumption of unity Lewis number in the flamelet model of turbulent combustion is examined and the influence of differential diffusion and radiation on the flamelet structure, nitric oxide emission and extinction limit is investigated.

对拉伸层流扩散火焰面进行了数值模拟，考察了在以往湍流燃烧的火焰面模型中，假定Lewis数等于1的可靠性，研究了不同分子扩散和火焰辐射对火焰面结构、氮氧化物排放和熄火临界的影响。

Howerver, the so-called flamelet model, by simplifying real flames to one-dimensional structure and at the same time virtually decoupling chemistry calculation from flow, is able to successfully predict many kinds of combustion phenomenon with decent computing cost, which makes ...

实际燃烧问题发生在三维复杂流场中，这种现象的描述需要结合连续性方程、动量方程、能量方程、组分方程和状态方程，刚性的化学反应及其庞大的反应机理与多尺度的流动耦合在一起，更是大大增加了方程求解的难度。

The laminar flamelet model has been widely used in the recent years, but its application to the internal combustion engine is still scarce. The domestic investigation in this aspect is almost blank.

本文作为初步尝试，将层流小火焰模型应用于典型的柴油机扩散燃烧过程，以一台直喷式柴油机为对象，分别以碳十二烷与空气的单步反应和正庚烷与空气的多步反应为机理，以混和分数为自变量，以标量耗散率为参数，建立相空间中组分质量分数瞬时值及温度瞬时值的二维层流小火焰数据库。

Nitrogen oxides emission is numerically simulated with the joint-scalar PDF method and the Eulerian unsteady laminar flamelet model in order to investigate influence of combustion models on the formation of nitrogen oxides. Comparisons between numerica...

计算结果和实验数据的比较表明，采用概率密度函数方法计算化学反应可以得到更好的结果但计算量较大，而用火焰面模型求解计算量较小，在接近完全燃烧的情形下，其计算结果比较合理。

On the respect of partially-premixed combustion research, we systematically studied the structure of partially-premixed flames in counter-flow and coaxial jet flow by using direct calculation and flamelet modeling.

在部分预混燃烧研究方面，本文结合火焰面模型和直接求解的方法，在对撞射流流场和同轴伴流流场中系统研究了部分预混火焰的结构特征，提出以预混燃料的当量比和当量混合标量耗散率作为描述部分预混火焰结构变化的参量的观点，并比较了它和非预混火焰的异同。

Now she was hungry and angry.She began to smoulder.

现在她又饿又气，她开始流露难以抑制的怒火。

You have placed our iniquities before You, Our secret sins in the light of Your presence.

诗90：8 你将我们的罪孽摆在你面前、将我们的隐恶摆在你面光之中。