Reynolds number
Reynolds number effects on the Reynolds-stress budgets in turbulent channels
... We have presented new budgets for the components of the Reynolds-stress tensor in numerical channels, over a fairly wide range of Reynolds numbers. The budgets them- selves are available electronically and ...
8
Aerodynamic study of airfoils geometric imperfections at low Reynolds number
... highest Reynolds number studied, Re=450x10 3 , pressure distributions along the airfoil chord corresponding to angles of attack close to the stalling angle are shown in Fig- ure ...to Reynolds ...
8
Aerodynamic Analysis of Open Trailing Edge Airfoils at Low Reynolds Number
... highest Reynolds number studied, Re=450x10 3 , pressure distributions along the airfoil chord corresponding to angles of attack close to the stalling angle are shown in ...to Reynolds number ...
13
The flow field in the slender combustion chambers of solid propellant rockets
... the Reynolds number only a very small fraction of the gas is directed to the center- line of the chamber; most of the gas tends to recirculate around the ...
13
Aerodynamics of Axisymmetric Counterflowing Jets
... this Reynolds number, the mixing layer occupies a very small fraction of the flow field, although this fraction will increase as a result of displacement effects through the density decrease associated with ...
7
Biglobal linear stability analysis for the flow in eccentric annular channels and a related geometry
... In fact, Gosset and Tavoularis 1 found that for a similar geometry, an increased value of eccentricity leads to more stable laminar flows. The calculations performed seem to confirm this observation for small values of ...
13
Time-resolved evolution of coherent structures in turbulent channels
... the reviews by Panton (2001) and McKeon & Sreenivasan (2007). Above the buffer layer, the internal Reynolds number of the eddies is higher, the eddies are themselves turbulent objects, and their ...
169
Modelization and optimization of a vacuum gripping-releasing device for micromanipulation
... closed to that value. As reasonable the contribute given by the drag greatly overcomes the other one. Of course, the information of the cases reported in the last two lines are in contrast with experimental evidences: in ...
110
High reynolds numbers turbulent boundary layers
... Osborne Reynolds in 1883, who was the first one to show that for a range of flow velocities, pipe radius and viscosities, the transition from the laminar to the turbulent state occurred roughly for the same value ...
149
Diseño y construcción de un equipo para determinar el número de Reynolds
... the Reynolds number, as this is a very applicable to the academic environment because of data calculation can be compared with another data which gives us results in the Reynolds team and this can be ...
172
A code for direct numerical simulation of turbulent boundary layers at high Reynolds numbers in BG/P supercomputers
... the Reynolds number, appears in the spectrum as a han- dle in the top-right corner, and the length of those eddies increases with the Reynolds number (see ...
7
Transport and mixing enhancement in fluid-thermal microsystems
... the Reynolds numbers) intermittent regime where the length of the time averaged recirculation bubble has a sud- den decrease and a slow recovery as Reynolds number ...about Reynolds ...
139
Estudio numérico de un flujo incompresible a traves de una particula con rugosidad.
... the Reynolds number, another important parameter that describes the karman street is Strouhal ...Strouhal number is defined as St= fd/U, where f is the flow frequency, d is the characteristic length ...
41
Airfoil Optimization for a Solar Powered Aircraft
... low Reynolds number flows, the boundary layer on the upper surface might still be laminar and will not be able to cope with the adverse pressure gradients and ...low Reynolds number airfoil ...
152
Experimento de Reynolds (construcción de prototipo)
... En la ingeniería civil se manejan sistemas de trasporte de fluidos donde este es principalmente es el agua, como por ejemplo sistemas de riego, alcantarillados, tuberías de transporte de agua potable entre otros. Para ...
47
The dynamics of the outer region of wall-bounded turbulence : La dinámica de la zona exterior en la turbulencia de pared
... As described in the previous paragraphs, we can distinguish three regions in the turbulent flow over a solid wall: the buffer region, the outer region, and the logarith- mic region between them. The presence of the wall ...
193
Número Completo/Full Number
... optimal number of growth trajectories was ascertained based on select fit indices and theoretical ...low number of parameters) (Muthén, 2002; Schwarz, ...
73
Numero de Reynolds
... Al realizar 17 pruebas se logró comprobar que el ensayo arrojo los resultados esperados ya que se pudo determinar los tipos de flujo que circulaban dentro del tubo de acrílico transparente de 1” de manera visual y las ...
59
Turbulencia en dos dimensiones y su cascada inversa de energía
... de Reynolds y comparándola con la evolución del campo de vorticidad al mismo número de Reynolds, podemos verificar como una transferencia de energía a las escalas más grandes de una manera más eficiente nos ...
68
Optimization of agitation in a wood liquefaction reactor
... Simulation was performed from the optimal results obtained in laboratory experiences, and main parameters studied were streamlines, vorticity and power consumption. Reliability of simulation was checked by calculating ...
58