[PDF] Top 20 A. Turbulent Reynolds equations
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A. Turbulent Reynolds equations
... Abstract—In this paper, the finite element method is used to analyze the characteristics of the water-lubricated thrust bearing. The corresponding finite elements are derived from the turbulent Reynolds ... See full document
5
the Navier-Stokes problem and
... turbulence. Turbulent fluid flow is a nonlinear multiscale phenomenon which poses some difficult and fundamental problems in theoretical and mathematical ...Navier-Stokes equations describe interactions ... See full document
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Numerical study on influence of a type of nanoparticles and volume fraction on turbulent heat transfer coefficient and pressure loss inside a tube
... The friction factor and forced convection heat transfer of TiO 2 nanoparticles dispersed in water of a car’s radiator were numerically determined. The Reynolds number (from 10000 to 100000) and inlet temperature ... See full document
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Effects of the rectangular groove dimensions on the thermal features of the turbulent Al2O3-water nanofluid flow in the grooved tubes
... flow Reynolds number of Re=20,000, by using grooved tube with geometric ratio of t/p=1, the average convection heat transfer coefficient enhancement of 58% will be ... See full document
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Discrete Tracer Point Method to Evaluate Turbulent Diffusion in Circular Pipe Flow
... in turbulent flow. He used the Reynolds analogy assuming radial diffusivity is analogous with heat and mass transfer in turbulent flow as well as transfer of fluid ...with turbulent eddy ... See full document
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University Turbine Systems Research 2012 Fellowship Program Final Report. Prepared for: General Electric Company
... and Reynolds number sensitivity study done with CFD on the Next Generation Gas Turbine Phase I Rig compares relatively well to the rig test ...fully turbulent assumption for the Reynolds number ... See full document
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Behavior of spherical particles at low Reynolds numbers in a fluctuating translational flow
... a steady but turbulent freestream show that the turbulence has a pronounced effect on the near wake, and it is suggested that at low Reynolds numbers this might account for the change in[r] ... See full document
113
The Influence of Prandtl Number on Near-Wall Turbulent Heat Transfer
... low Reynolds and Prandtl ...of Reynolds numbers (up to Re = 14000) and Prandtl numbers (up to Pr = ...the Reynolds number and a stronger influence of the Prandtl number near the wall for ... See full document
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Large Eddy Simulation of the Flat Plate Turbulent Boundary Layer at High Reynolds Numbers
... 1410. The main disadvantage, however, is the need to evaluate the growth terms that are numerous and complicated in form. Also, since such similarity does not always occur (Keating et al. 2004), the modification was made ... See full document
123
Effect of Reynolds number on particle interaction and agglomeration in turbulent channel flow
... a turbulent two-phase channel flow, with the potential to lead to physical insights in to how particles disperse and agglomerate in such ...low Reynolds number, turbulent channel ...high ... See full document
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Characterisation of Low Reynolds Number Fountain Behaviour
... the Reynolds number is increased into the transitional/turbulent re- gion in figure 2, the sinuous instability appears to intermittently breakdown into a turbulent jet like flow at some point along ... See full document
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The effect of Reynolds number on turbulent drag reduction by streamwise travelling waves
... the Reynolds number increases, the majority of previous studies have been confined to lower Reynolds numbers, and also the Reynolds number range investigated has not been wide enough to give a clear ... See full document
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Spectral-element simulations of variable-density turbulent flow in a plane channel
... a turbulent flow between two infinite parallel isothermal heated walls at a Reynolds number of , where is the bulk velocity, is the half-width of the channel, , the density and dynamic viscosity near the ... See full document
5
Numerical Solution of the Navier-Stokes Equations at High Reynolds Numbers
... the Reynolds number increases, in order to avoid ...a turbulent part appears. This Reynolds numbers are very high, and it is not an easy task to deal with ... See full document
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Convergence of Parareal for the Navier-Stokes Equations Depending on the Reynolds Number
... some point prevent Parareal from achieving speedup. Therefore, the reduced convergence speed of Parareal for small viscosities either necessitates a small time-step in the coarse method or a large number of iterations ... See full document
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Application of Single Objective Genetic Algorithm to Optimize Heat Transfer Enhancement from a Flat Plate
... high Reynolds number model, the RNG theory provides an analytically-derived differential formula for effective viscosity that accounts for low Reynolds number effects as ...The turbulent heat flux, ... See full document
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A comprehensive review of experimental investigations of forced convective heat transfer characteristics for various nanofluids
... under turbulent flow regime. They found that on the basis of constant Reynolds number in range of 3000–10,000, average con- vective heat transfer coefficients of nanofluids improved up to 40% when compared ... See full document
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Turbulent Heat Transfer in a Channel with a Built-in Square Cylinder: The Eect of Reynolds Number
... Heat and mass transfer is aected by the structure of the ow near a surface. Separated ows, which appear in much engineering equipment, make remark- able quantitative and qualitative changes in various transport ... See full document
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Modeling and Applications of 3D Flow in Orifice Plate At Low Turbulent Reynolds Numbers
... The parameters that characterized the 2D or 3D flow were investigated experimentally and analytically using software known as CFD. The modeling are based on the Boussinesq hypothesis which was proposed in 1877 in which ... See full document
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Study of Turbulence Within Constriction in Cohesive Sediment Bed
... associated turbulent events. A turbulent event is a series of turbulent fluctuations that contain more energy than the average flow ...of turbulent motion, the fluctuations influence and the ... See full document
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