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对于中小迎角分离问题，延迟分离涡模拟（Delayed Detached Eddy Simulation, DDES）的方法在计算初期，流动分离区需要一定时间的发展，通常......
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[目的]基于数值模拟方法研究螺旋桨几何参数对其正倒车水动力性能的影响规律.[方法]以某33000 DWT成品油轮为应用对象,采用RANS方......
Assessment of the Turbulence Characteristics of Shaped Film Cooling Hole with Scale Resolving Simula
The turbulence characteristics of the shaped hole film cooling are very complex.In this study,Large Eddy Simulation (LES......
对模型尺度的喷水推进轴流泵汽蚀性能进行了准定常RANS模拟,并根据第28届国际拖曳水池会议推荐的规程进行了数值不确定度分析.采用......
水下航行体与水体的相互作用会在自由面形成特定的水动力尾迹.为了研究水动力尾迹的产生机理及其特征,本文采用非定常雷诺平均(Uns......
The main objective of this work is to predict the mixing of two different miscible oils in a very long channel.The backg......
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Use of a Three-Dimensional Numerical Model to Improve Estimation of Channel Constriction Energy Loss
River constrictions are frequently encountered by engineers, and improper understanding can lead to designs that do not ......
Several amphihaline species, such as silver eels, suffer high mortality rates during their downstream migration, due to ......
Traditionally the so called Reynolds-Averaged Navier-Stokes(RANS)and Unsteady RANS(URANS)have been the main numerical to......
With the increase of blade loading,the loss prediction model used in the design process needs refinement and improvement......
With the aim of optimising contact tank design through numerical model simulations, results are presented herein of an e......
Horseshoe vortices usually appear at a junction where a bluff obstacle mounted on a surface along which a boundary layer......
通过对基于求解雷诺平均纳维-斯托克斯(RNS)方程的商用CFD软件FLUENT的二次开发,采用其先进的动网格技术以及强大的后处理系统,详......
A modified transition model is given based on the shear stress transport (SST) turbulence model and an intermittency tra......
应用RANS方法研究B系列对转螺旋桨敞水性能,数值计算验证单桨和对转螺旋桨,研究不同湍流模型对数值结果的影响,分析研究对转螺旋桨......
With the rising of modern data science,data-driven turbulence modeling with the aid of machine learning algorithms is be......
以KP505螺旋桨为研究对象,利用CFD软件,基于RANS方法结合Realizable k-ε湍流模型开展螺旋桨水动力性能数值模拟,分析不同螺距、拱......
基于RANS方法,研究了高航速下KCS模型在静水工况中的艏波破碎.采用自主开发的水动力求解器naoe-FOAM-SJTU,数值模拟了5个航速下(Fr......
减阻水压裂液在页岩气开发中发挥着重要作用,减阻水压裂液在压裂管线中的流动问题本质上属于流体力学领域中的湍流减阻这一典型的......
为了研究修正的火焰面反应进度变量燃烧模型在超声速湍流扩散燃烧问题中的适用性,对德国宇航中心(DLR)超声速燃烧室开展RANS数值模......
Aerodynamic performance of a low-Reynolds UAV with leading-edge protuberances inspired by humpback w
The aerodynamic forces and flowfield on a delta-wing Unmanned Aerial Vehicle (UAV) with specific airfoil are studied her......
安装在超音速/高超音速飞行器表面的突起物如机翼、控制舵等通常会导致复杂的激波／边界层干扰，对突起物的局部气动特性甚至飞行......
横流中射流流动的流场分布具有三维性和复杂性。本义采用标准的K-ω(wilcox)湍流模型模拟了在横向流动中的单孔射流。射流速度......
通过对可压缩湍流的大涡模拟模型附加Reynolds应力和能流约束，解决传统大涡模拟不能模拟近壁平均速度、密度和温度的问题。该方......
简要介绍LAST实验室近年来在RANS／LES混合方法方面开展的部分工作,该类混合方法包括直接混合、分区混合、DES和DDES等，基准RANS......
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本论文通过对基于求解雷诺平均纳维-斯托克斯(RNS)方程的商用CFD软件FLUENT的二次开发，采用其先进的动网格技术以及强大的后处理系......
,Numerical simulation of the flow within and over an intersection model with Reynolds-averaged Navie
In this study, the Reynolds-averaged Navier Stokes (RANS) method is employed to simulate the flow within and over an int......
本文通过对荣华二采区10...
基于雷诺平均Navier-Stokes(RANS)方程和结构网格技术,采用亚跨超声速平台(TRIP3.0),数值模拟了美国国家航空航天局(NASA)梯形翼构......
针对动导数计算工程应用亟需的高效、高精度发展目标,提出求解非定常雷诺平均Navier-Stokes(RANS)方程的时间谱方法(TSM)的全隐格......
Parameter study on numerical simulation of corner separation in LMFA-NACA65 linear compressor cascad
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......
Evaluation of CFD turbulence models for simulating external airflow around varied building roof with
Detailed airflow information around a building can be crucial for the design of naturally ventilated systems and for exh......
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This paper describes an investigation of the generation of desired sea states in a numerical wave model. Bimodal sea sta......
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The Reynolds-averaged Navier-Stokes (RANS) method, along with the Fluent software package, was used to study the steady ......
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......
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......
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......
Recently a low cost cooking device for developing and emerging countries was developed at KIT in cooperation with the co......
In a classical layout process of a fan the quantity of losses is estimated as a sum and expressed in the overall efficie......
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......
Measurement and Numerical Simulation of a Small Centrifugal Compressor Characteristics at Small or N
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......
采用计算流体动力学(Computational Fluid Dynamics,CFD)软件建立静止域(舵、导管及船体)和旋转域(螺旋桨)的三维几何模型,在螺旋......
A podded propulsor in viscous flow is numerically simulated in this article.The region of fluid is divided into efficien......
