... =   R c D - 1 4 Optimization Particle swarm optimization (PSO) Computational fluid dynamics (CFD) Turbulent flow Support vector machine (SVM) Pipe bend Since the past decade, turbulent flow of fluid through 90° bend pipes has attracted a significant concern...

... Computational fluid dynamics Turbulent flow Laminar flow Nasal anatomy Nasal cavity Numerical simulations Furthermore, the transport equation for the k-ω SST model, which includes two equations for turbulent kinetic energy, k, and the dissipation rate, ω...

...Dr Teen-Hang Meen; Hsien-Hung Ting; Shuhn-Shyurng Hou Purpose – The purpose of this paper is to numerically investigate the convective heat transfer of water-based CuO nanofluids flowing through a square cross-section duct under constant heat flux in the turbulent flow regime. Design...

...Yang Zhengjun; Wang Fujun Purpose Large eddy simulation (LES) is widely used in prediction of turbulent flow. The purpose of this paper is to propose a new dynamic mixed nonlinear subgrid‐scale (SGS) model (DMNM), in order to improve LES precision of complex turbulent flow, such as flow including...

... Friction factor Turbulent flow Hydraulic resistances Colebrook equation Lambert W‐function x, x₁=arguments of the Lambert W‐function W=in this text referred to the positive branch of Lambert function ω=shifted, auxiliary function proposed by Boyd (1998) y=argument...

... Publishing Limited 2011 Aerodynamics Boundary layers Turbulent flow Energy Statistical analysis During lift‐off and flight ascent, spatial vehicles are excited by aerodynamic loads. Those excitations are broadband and random. The satellites inside the spatial vehicles are thus excited...

... but the equation structure is similar to the time average k‐ε model. Ruprecht (2000) carried out static and dynamic interference calculations for the whole flow passage and obtained more comprehensive pulsation information. Chen (2000) employed a LES in simulating 3‐D turbulent flow through a pump...

... in bubble cavity with surface tension correction Shengcai Li can be contacted at: S.Li@warwick.ac.uk © Emerald Group Publishing Limited 2008 Mass transfer Cavitation Turbulent flow Hydrofoils A=interface area per unit volume of mixture C₁...

... with the Reynolds stress model to get the mean fluid velocity and the turbulent kinetic energy in the turbulent flow of a contraction with rectangular cross‐section. The turbulent velocity fluctuations were represented as a Fourier series with random coefficients. Then the slender‐body theory was used to predict...

...Huang Jun; Q.W. Wang; W.Q. Tao A computational study of convective heat transfer for turbulent flows in multi‐channel, narrow‐gap fuel element has been carried out, using a general marching procedure. The fluid distribution adjustment among seven annular‐sector channels is based on the assumption...

... cell face. The performance of NSFLEX‐MG is demonstrated for a large range of Mach numbers for compressible inviscid and viscous (laminar and turbulent) flows over a RAE‐2822 airfoil and over a NACA‐0012 airfoil. © MCB UP Limited 1993 Multigrid techniques NSFLEX‐MG code Laminar flow...