[PDF] Top 20 Numerical experiments for turbulent flows

... a turbulent flow, the system of RANS (Reynolds Averaged Navier-Stokes) equations enclosed by a turbulence model is ...the turbulent viscosity were tested, one algebraic, Baldwin-Lomax and the two-equation k ... See full document

... of numerical experiments showed that the constructed mathematical model of turbulence is able to reproduce the characteristic features of turbulent ... See full document

... study turbulent flames both premixed and non-premixed [3-8] despite its added computational ...of turbulent flows and resolve transient processes such as flame propagation, instability, extinction, ... See full document

... [13] Martin MP, Taylor EM, Wu M, Weirs VG. A bandwidth-optimized WENO scheme for the effective direct numerical simulation of compressible turbulence. Journal of Computational Physics. 2006;220:270-89. [14] Borges ... See full document

... Although numerical methods based on DNS offer the necessary high fidelity, they impose strict spatial resolution constraints that lead to very high computational ...complex flows in engineering and other ... See full document

... Nozzle performance was considered in many experimental and numerical studies, especially from the point of flow and heat transfer characteristics with various inlet-boundary conditions and flow geometries. Park et ... See full document

... combining numerical simulations and experimental ...speed flows is quite limited, due to the incapability of turbulence models in predicting complex non-equilibrium turbulent ...high-fidelity ... See full document

... a numerical prediction has been conducted to study heat transfer and flow friction behaviors in turbulent channel flows over periodic trapezoidal grooves, ribbed and rib-grooved shape of bottom ... See full document

... of experiments completed in curved ducts given in Table 3, compiled by Mokhtarzadeh-Dehghan and Yuan ...most experiments have used a lower , within a relatively narrow range, and that a gap existed at ... See full document

... There are conceptual barriers between the mathematical formulation of fluid mechanics problems in terms of continuous equations, the discretisation of the equations and numerical methods to solve them, and their ... See full document

... most numerical studies of aerodynamic sound radiation from unbounded flows, only the Reynolds-stress quadrupoles have been considered, while viscous stresses and the entropy source term are ...of ... See full document

... or numerical model studies are utilized. In recent years, numerical models have been increasingly adopted for studying complicated flow ...modeling turbulent flows, one of the key elements is ... See full document

... ) flows downslope at high velocities (up to 100 m/s) ...laboratory experiments can give crucial information about their propagation and the influence of parameters on the mobility under idealized conditions ... See full document

... Omega experiments; 30 we found good agreement in the propagation speed of the col- liding fronts (Figure 8) and the collision timing (Figure ...demonstrating turbulent dynamo, the final outcome can only be ... See full document

... some experiments to observe the flow produced in cylindrical container by a rotating end wall, in which they found the formation of a concentrated vortex core along the center ...and numerical studies have ... See full document

... Also, fundamental questions in LES remain unanswered. For example, it is unclear how the LES resolved velocity is related to the observed real-world velocity. Pope (2004) provides some insight into this question. He ... See full document

... All the computations have been performed with suitably adapted versions of the TEAM (Turbulence Elliptic Axisymmetric Manchester) computer code [Huang, P. G and Leschzinger], which is a finite-volume based solver, ... See full document

... a numerical experiment for the optimum control of the subcritical instability of a channel flow based on a linea- rized ...a turbulent flow in a square duct, a Karman vortex street behind a square cylinder ... See full document

... Patel, layers in planes Boundary of symmetry, in turbulent I: Experiments flows.. Part AIAA J., vol.[r] ... See full document

... For the cavitation number σ = 0.4, the model predicts a sheet cavity with a long tail, the generation of a cloud cavity associated to a main clockwise vortex which induces a counterclockwise secondary vortex on the ... See full document