Heat equilibrium distribution in a turbulent flow

Heat equilibrium distribution in a turbulent flow

We consider a shear flow of a scale invariant homogeneous Gaussian random velocity field which does not depend on the coordinates in the direction of the flow. We investigate a heat advection coming from a Gaussian random homogeneous source. We discuss a relaxation at large time of a temperature distribution determined by the forced advectiondiffusion equation. We represent the temperature corr...

Laminar and Turbulent Aeroheating Predictions around Multi -Cone Configurations in Hypersonic Equilibrium - Air Flow

effect of sub-grid scales on large eddy simulation of particle deposition in a turbulent channel flow

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Investigation on Turbulent Nanofluid Flow in Helical Tube in Tube Heat Exchangers

In this study, the thermal characteristics of turbulent nanofluid flow in a helical tube in the tube heat exchanger (HTTHE) were assessed numerically through computational fluid dynamics (CFD) simulation. The findings of both the turbulent models: realizable k-epsion (k-ε) and re-normalisation group (RNG) k-epsilon were compared. The temperature distribution contours show that realizable and RN...

Intermittent distribution of heavy particles in a turbulent flow

The retardation of weakly inertial particles depends on the acceleration of the ambient fluid. The concentration n of the particles is determined by the divergence of Lagrangian acceleration which we study by a direct numerical simulation. We show that the second moment of the concentration coarse-grained over the scale r behaves as an approximate power law : 〈nr〉 ∼ rα. We study the dependencie...