[PDF] Top 20 La gestión del proceso de formación de directivos desde la Universidad de Granma

... the vortex generators, the solution is very time ...step, using semi-empirical models (case three) such as introducing a source term into momentum equation was tried to simulate the effects of VGs ... See full document

... a numerical study on heat transfer and stream qualities in a rectangular channel with punched VGs at different ...further improvement at an unpretentious pressure drop ... See full document

... thermal performance improvement in a fin-and-tube heat exchanger with rectangular winglet vortex ...type vortex generators; punched triangular vortex generators and ... See full document

... by using vortex generators on fin surface, there was a considerable improvement in heat ...performed numerical simulation and experimentation for a channel flow considering rectangular ... See full document

... aerodynamic performance of an airfoil is one of the primary interests of the ...Such performance improvement can be achieved using passive or active flow control ...effective ... See full document

... the improvement of aerodynamic performances of the airfoil NACA 4415 by passive flow control using vortex generators was investigated ...The numerical simulation procedure was validated ... See full document

... based numerical analysis to study the impact of using vortex generators (VGs) with various orientations on laminar fluid flow and heat transfer regimes in a ...when using the ... See full document

... winglet vortex generators were studied for Re = 350 – ...winglet vortex generators on the flow topology and heat transfer rate of air over an in-line tube bank with experimental ...winglet ... See full document

... vehicle performance and reducing fuel ...is vortex generator. To optimize the effectiveness of fuel economy, vortex generator’s specification and its location of placement in vehicle is ... See full document

... Numerical simulation is to perform by a computational fluid dynamics for fluid flow and heat transfer around tube banks using CFD. The comparisons of heat transfer around tube banks without (baseline) and ... See full document

... development using solar photovoltaic (PV) combined with fuel generator and battery storage systems used to serve the ...by using development software called MATLAB/SIMULINK program where this program will ... See full document

... The study investigates the mechanical properties such as compressive strength, tensile strength, flexural toughness and flexural strength of concrete reinforced with hybrid fibre combination of steel ... See full document

... To assess the effect of varying geometry on performance three classes of hydrofoil wetted profiles were analysed. The flat-plate profile gives the effect due solely to the variation of incidence, α. Effect ... See full document

... new vortex has already started to form on the lower suface of the ...detached vortex is elongated as the flow is accelerated through the gap between the cylinders of the second row as can be seen in figure ... See full document

... fine numerical grid is ...in numerical methods, there remains a great problem in resolving industrial 3D flows, where the accurate low-Reynolds-number resolution of the near-wall ... See full document

... Because of the analysed system’s complex- ity from the physical/mathematical modelling point of view, as well as from the powerful simulation de- velopment aspect, the main aim of the cavitational flow study was ... See full document

... confined vortex undergo breakdown. One of the particular interests is that vortex breakdown may be observed under laminar and steady conditions, without the influence of ...axisymmetric vortex ... See full document

... potential using pitting tests evaluated during the incubation period for the cast-iron prismatic hydrofoil with the modified NACA ...section using the acoustic ...the hydrofoil as well as the ... See full document

... A theoretical study is presented of three-dimensional turbulent flow provoked in a boundary layer by an array of low-profile vortex generators (VGs) on the surface.. The typ[r] ... See full document

... NOTATION a at A AR c Cc CD CL CN C, Axial inflow induction factor Tangential inflow induction factor Swept area of rotor m2 Aspect ratio of rectangular air jet Chord length of aerofoil o[r] ... See full document