Turbulent相关论文
Turbulent flow in a 3-D blade passage of a Francis hydro turbine was simulated with the Large Eddy Simulation (LES) to i......
The inner flow analysis of centrifugal pumps has gradually become an important issue for the hydraulic design and perfor......
The effect of a guide vane installed at the elbow on flow-induced noise and vibration is investigated in the range of Re......
For the purpose of investigating the turbulent and spatial coherent characteristics of strong wind during typhoon landin......
Lean premixed flame characteristics of several typical low calorific value (LCV) syngases (basis CO/H2/CH4/CO2/N2),inclu......
Numerical simulation, based on simple reaction models that manifest the deposition quality of silicon from silane, was u......
We report on the design, realization, and output performance of a diode-pumped high-peak-power passively Q-switched Nd:Y......
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In this paper,the internal flow field in a centrifugal pump working at the design flow rate operating condition has been......
Based on the gas-liquid two-phase mixture transportation test,the k-ε-Ap turbulence model was applied to simulate the t......
Natural ventilation performance of single room building with fluctuating wind speed and thermal mass
Natural ventilation is driven by either buoyancy forces or wind pressure forces or their combinations that inherit stoch......
Using numerical methodology, the flow fields between two corrugated plates with different values of the corrugation incl......
In this paper,the turbulence characteristics of the tidal flow in the Qiantang River,China,the world-famous Qiantang bor......
The flame-holding mechanism in hypersonic propulsion technology is the most important factor in prolonging the duration ......
The working principles of Videolab Image Processing System (VIPS), the examining methods of orientation of microstructur......
This paper presents a numerical analysis of gas-solid separation in a rotational tube separator. This separator which co......
The pressure fluctuation in the flow passage of both impeller and casing is addressed on design condition.The initial co......
Synthetic Aperture Radar (SAR) imaging of ocean surface features is studied. The simulation of the turbulent and vortic......
Based on aperture averaging effects on scintillation, a diversity reception system consisting of three apertures has bee......
在自由空间光通信(FSO)中,由系统设计以及大气湍流所引起的光强闪烁和相位起伏会造成圆偏振控制误差,这严重影响圆偏振位移键控(CP......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
在三方程(k-ε-v2)涡粘系数(μt)的计算中,不仅考虑了湍流空间尺度对涡粘系数的影响,而且考虑了湍流时间尺度对涡粘系数的影响,即......
点扩散函数(PSF)是传统成像光学中一种典型的分析方法.针对关联成像这一全新的成像理论,借鉴点扩散函数分析方法,采用半经典理论对......
Analysis of Turbulence and Surface Growth Models on the Estimation of Soot Level in Ethylene Non-Pre
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Twin jets flow, generated by two identical parallel axisymmetric nozzles, has been experimentally investigated. The dime......
To investigate the convective heat transfer of nanofiuids, experiments were performed using silver-water nanofiuids unde......
在实验室规模加压湍动循环流化床气化炉上,研究了气化剂预热温度对煤气化特性的影响.结果表明:气化介质温度从400℃提高到700℃后,......
在提升管直径为0.06 m,高度为5 m的冷态流化床试验装置上,使用基于信号奇异性检测的小波模极大值法,研究鼓泡流态化到湍动流态化的......
In the paper the simplified three-dimensional turbulent diffusion equation of the suspended load is deduced by the power......
The direct numerical simulation (DNS) method with 16 steps detailed chemical kinetics was applied to a lifted turbulent ......
采用激光多普勒测速仪(简称LDV)对180°矩形弯管内流场进行了测量,得到时均速度、湍流强度等数据。除靠近内壁r*=0.1位置,弯管纵截......
When a turbulent shear flow above a plane sand surface entrains sand grains,it generates a variety of sand patterns.Fluv......
Unsteady turbulent cavitation flows in a Venturi-type section and around a NACA0012 hydrofoil were simulated by two-dime......
Using the idea of general resonant triad of the hydrodynamic stability, the theoretical models for coherent structures i......
为了满足生产400MPaⅢ级钢筋的需要,对直喷式和湍流式冷却器进行了研究,通过水冷试验和实验室模拟,得出后者冷却强度是前者的1.8倍......
作者分析了有关宾汉流体的计算及湍流两相流的现状,在k-ε湍流模型和使用壁面函数法处理近壁区问题的理论基础上,通过引入一些合理......
对高压水射流进行了红外探测，提取了射流红外辐射温度的二维与三维特征，研究了湍射流的涡旋结构、射流分段结构及其时间演化特征。结......
针对一般情况下叶轮机械的非定常气流运动,特别是风扇的气动声学,文中测定轴流风机的气动声学特性和上游环境对其影响。在对叶轮机......
公路隧道流场的复杂性给数值计算带来了极大的困难,动态涡粘性模型和动态混合模型都存在小尺寸涡的耗散过大问题。主要原因在于,公......
对球罐内部进行燃烧整体热处理时,因密度不均匀,使浮力对其内部流场有直接影响.通过对描述罐内燃烧过程的数学模型中各相关方程的......
从湍流的近壁拟序结构对近壁区小粒径空泡的运动规律的影响出发,对空泡产生的机理做了新的探讨.从理论上推导出基于典型湍流边界层......
采用气液两相流混合模型,选取标准k-ε紊流模型封闭时均方程组,利用VOF（Volume of fluid）法捕捉自由水面,速度与压力耦合方程组求解......
双极荷电-湍流凝聚器可有效控制燃煤电厂细颗粒物排放,是国内外研究的热点技术。通过商用CFD软件,利用LES模型模拟湍流流场,计算凝......
为提高内燃机中回转运动副,特别是曲轴等运动件的润滑效果,建立一套用于研究粘性流体在管路中流动特性的试验系统。试验研究了三种......
顺序输送成品油管道在不同油品接触区会产生一段混油,混油量的计算是成品油管输的重要环节。通过对混油浓度的变化规律进行分析,得......
根据农田小气候观测资料分析冷型小麦"陕229"和暖型小麦"9430"农田热量分配差异及成因结果表明,灌浆期冷型小麦"陕229"比"9430"品......
通过局部动床概化水槽试验，采用MicroADV流速仪测量瞬时流速，得到浮运围堰下沉过程中围堰侧面纵向、横向和垂向紊动强度的分布情况。......
为研究电力设备表面积污分布规律,提出一种沙尘颗粒在硅橡胶绝缘材料表面的沉降模型.根据风速、颗粒粒径、密度、入射速度及壁面弹......
Laboratory experiments were conducted to investigate the evolution of interfacial internal solitary waves(ISWs)incident ......
