查询词典 turbulence

A two-scale k-ε turbulence model was adopted to calculate turbulent velocity field, and the probability density function method was combined with the Lagrangian flamelet model to predict the turbulent scalar fields.Detailed chemical reaction mechanism GRI-Mech 3.0 was incorporated to describe methane oxidation and nitrogen oxides formation.

采用一个双尺度的 k-ε湍流模型计算速度场，将概率密度函数方法和Lagrangian火焰面模型相结合求解标量场，燃料甲烷的氧化过程和氮氧化物的生成过程采用详细的GRI-Mech 3.0机理描述。

The laminar flamelet model in combination with joint probability density function transport equation of mixture fraction and turbulence frequency is used to simulate fluctuating behavior of radiative source term in turbulent jet diffusion flames of hydrogen.

采用κ-ε湍流模型、标量联合的概率密度函数输运方程和层流火焰面模型相结合，模拟氢气自由扩散火焰中辐射源项湍流脉动特征。给出了主燃区内辐射源项湍流脉动的频率图。辐射源项的样本点分布集中，大约95%以上的样本落在其系综的±3倍方差以内，频谱图为单峰

The application of flamelet model based on level set in premixed turbulence combustion;2. A methane turbulent non-premixed flame has been simulated numerically by the combination of laminar flamelet model and presumed probability density function.

将小火焰模型和假定的PDF方法相结合，模拟甲烷湍流射流扩散火焰，稳态火焰面结构由层流小火焰数据库得到，采用详细化学反应机理描述甲烷的氧化和NO以及碳烟的生成，数值模拟结果和实验数据吻合较好，说明小火焰模型可以较准确地计算出扩散湍流火焰中的燃烧过程。

Free oscillation of ball in guide ribs facilitates full port flow with minimum turbulence and chatter.

在导翼中自由振荡的球有利于全流道流动，最大限度减小湍流和振荡。

Based on the mechanism of turbulence diffusion, a mechanistic model for entrainment concentration and TDH at the freeboard was established.

通过四套不同直径的流化床TDH的实验结果，给出了床径对TDH影响的放大规律。

He hired Furlong as the top executive and is credited with steering the bid free of political turbulence.

他雇用福龙为最高行政官，？？？

Base on the Fluent software,the time-average N-S equation,RNG k-ε turbulence modeling,P1 radiant modeling and particle track modeling,example for boost motor PQM-1 of Titan 4,by using flow-solid coupling boundary condition,the 2D axial symmetry gaseity fluid modeling and two phase fluid modeling were founded and the influence of coagulate particle to the flame-spread process in large aspect ratio SRM ignition transient were analyzed.

0引言固体火箭发动机点火过程是点火燃气流动与火焰传播相互耦合的过程，即包括点火燃气流动、药柱加热、局部点燃、火焰传播、室压建立等复杂的非定常过程，其中火焰传播在点火瞬态过程中占有重要地位，是发动机点火延迟、压强峰值过高、断续燃烧和熄火的主要因素，因此国内

For angle-tracked coupling systems, an gaussian template matching tracking algorithm is proposed to reduce signal fading depth in the situation of strong turbulence.

对采用自动角度跟踪的耦合系统，提出一种采用高斯模板匹配的跟踪算法，可降低强湍流下耦合功率的衰落深度。

The structure function of residual wavefront phase perturbation compensated by an adaptive optics system has been derived by means of frozen turbulence hypothesis and geometric optics approach.

在采用冻结湍流假设和几何光学近似的条件下，得到了经自适应光学系统校正后的剩余波前相位扰动的结构函数。

This proposal is the cause of the early 19th century, the Napoleonic Wars are caused by the turbulence caused by the impact of the split: Sweden, the eastern region in 1809 into the Grand Duchy of Russia and Finland, and from 1387 a joint Norway and Denmark in 1814 is independent, even though it quickly was forced to become a personal union with Sweden.

这个提议的起因是19世纪初，受到拿破仑战争所引发的动荡影响所造成的分裂：瑞典的东部地区在1809年变成俄罗斯芬兰大公国，而打从1387年与丹麦联合的挪威则是在1814年独立，虽然它很快又被迫与瑞典成为共主邦联。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。