[PDF] Top 20 On the effects of surface morphology on the structure of wall-turbulence

... underlying structure of the turbulence across the different surface morphologies is universal in both its shape and orientation in relation to the flow ...the wall is also found to be ... See full document

... powders mixture at high sintering temperature. However, the high temperature causes inhomogeneity and contamination by impurity in final products (Evans et al., 2003). On the other side, calcinations process have been ... See full document

... their surface because they are rapidly oxidized by oxygen to form an adherent oxide ...Ti surface to be electroplated with adherent coating, it is necessary to do the pretreatment ...nano-crystalline ... See full document

... The surface morphology indicates an increase in surface roughness after ...microstructural structure owing to the ultra-high strain rate deformation and refined ... See full document

... Free-stream turbulence is generated in our experiment by placing square grids in the ...the turbulence char- acteristics (isotropicity, homogeneity, ...on turbulence generation using ...grid ... See full document

... of turbulence, originated by Taylor (1922), is a classical but challenging approach, which involves tracking the trajectories of fluid ...Lagrangian turbulence (see Toschi & Bo- denschatz, ...Lagrangian ... See full document

... shear-driven effects. Even in pressure- driven 3DBLs, near the surface ∂W /∂y is created by a shearing force, as the no-slip boundary condition affects the accelerating spanwise flow (figure ...the ... See full document

... The effects of rheological properties of the wall materials on the morphology and particle size distribution of microcap- sules prepared by spray-drying were ...as wall materials with vitamin ... See full document

... the surface heat flux, and hence, to the design of thermal protection systems for hypersonic ...(RANS) turbulence models have been widely used for simulating hypersonic turbulent boundary layers, without ... See full document

... ecological effects of tur- bulence on phytoplankton nutrient uptake and commu- nity structure can be evaluated and separated from other processes by combining field measurements of plankton community ... See full document

... and effects of loss in turbomachinery and divided the losses into three com- ponents: the profile losses, tip-leakage losses and secondary ...casing wall and moving rotor ...end- wall surface ... See full document

... In this research, polyester/viscose fabric (65/35) was stacked under microwave wavelengths and was subjected to physical and laboratory specification, and according to SEM microscopy, the optimal radiation state was ... See full document

... The South Pole region of the antarctic plateau provides an excellent site for the SBL research. The terrain has a gen- tle slope of ∼ 0.001 m/m, which virtually eliminates the influence of strong topographical forcings ... See full document

... Abstract—Based on Huygens-Fresnel principle, a general expression for the average image intensity of a heterodyne and a direct-detection imaging system in turbulent media is derived under the assumption of a Gaussian ... See full document

... argument structure patterns of the target language do not match those of their L1 and higher rates of inaccuracy among the Turks were attributed to level of ...overt morphology in English and Spanish, they ... See full document

... We have seen the following types of direct operation on PAS: (i) binding of one of the arguments (English -er binds the external argument of verbs, Dutch -sel binds the internal argument[r] ... See full document

... The 8-phase of the syndiotactic polystyrene/ethylbenzene system, as formed by crystallisation from dilute solution, is shown to result in a lamellar morphology, with a monoclinic crystal lattice similar to that ... See full document

... sheared structure in flows or the electric field should play an important role in sup- pressing turbulence at transport barriers, as the initial the- ories for the H-mode suggested ... See full document

... fluid turbulence. The basic ideas will apply also for plasma turbulence and many studies have been carried out, numerically as well as ...(MHD) turbulence in the solar wind has been reported by Tu ... See full document

... on structure and morphology of kaolin is scarce here in ...the structure and surface morphology of feldspar collected from a local supplier (Maju Saintifik Sdn Bhd, ... See full document