查询词典 turbulence

Disturbances with various patterns were exerted to the open channel flow in a flume to quantitatively investigate the variation of turbulence structure during sand ripple formation and its influence on sand movement and river bed evolution. The variation process of flow velocity is measured by means of ADV with sampling frequency of 50Hz.

本文通过在水槽实验中采集的流速过程数据，定量地研究了沙纹阶段明渠水流在不同形式扰动作用下的湍流结构，以及湍流结构对泥沙运动和床面演化的影响。

The summary of the adopted models contains a two-scale k-ε turbulence model,the scalar joint probability density functiontransport equation approach,the augmented reduced mechanismfor methane oxidation (consisting of 16 species and 12 lumped reaction steps),the Euclidean minimum spanning treesmall scale mixing model etc.

所采用的数学物理模型包括双尺度的k-ε湍流模型，标量联合的概率密度函数输运方程方法，甲烷氧化的ARM简化化学反应机理(包含16种组分，12步总包反应)和欧几里德最小生成树小尺度混合模型。

Optical method for simultaneously measuring refractive-index structure parameter and inner scale of atmospheric turbulence.

同步测量大气湍流折射率结构常数和内尺度的光学方法。

By utilizing the method of Schlieren system, interfacial turbulence of convective structure in desorption of ethanol from water was observed and quantitatively analyzed.

采用光学纹影系统对乙醇和水双组分解吸传质过程的对流结构的界面湍动进行了定性观察和定量分析。

Seeing is the scintillation of image caused by turbulence in the atmosphere.

宁静度是由大气湍流所引起的象的闪烁反射。

In this paper, we use the model for turbulence intensity distribution in Shanghai to analyse the space correlation of atmospheric scintillation.

本文使用上海湍流强度分布模型，分析了湍流非均匀条件下，大气闪烁的空间相关特征，并比较了它和湍流均匀条件下的结果异同。

But because of the influence of atmosphere, the scintillation caused by the atmosphere turbulence influences performance characteristics of the communication of system seriously.

大气湍流引起的光强闪烁会严重影响大气激光通信系统的性能，使误码率增加。

A portable three-wavelength laser scintillometer is developed. By three lasers with wavelength of 473 nm, 532 nm and 671 nm, the TWLS system can simultaneously measure refractive index structure parameter and inner scale of atmospheric turbulence.

研制了一种便携式三波长激光闪烁仪，使用473nm、532nm和671nm三个波长实现了大气湍流内尺度和折射率结构常数的同步测量。

The turbulence occurred 25 to 30 minutes before landing, when the seatbelt light was on, he said.

颠簸25到30分钟在登陆前发生，当安全带指示灯开着的时候，他说。

The only time Tibet had real self determination was between 1913 and 1951 because British interventions and China 's internal turbulence and civil wars (and WW2 and Japanese invasion).

中间只有一次在1913到1951年由于英国的殖民干涉和中国国内的内战和动荡，(以及第二次世界大战和日本入侵)，xz有过实际的自治。

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。