... sensitive at larger Prandtl numbers. The temperature frequency analysis reveals a shift to lower frequencies for low Prandtl numbers. The DNS results provided in this work will contribute as benchmark for the improvement and development of existing and new turbulent heat transfer models at different Prandtl...

... in a vertical channel, using LES under various Richardson numbers. They found that with increasing blockage ratio induces weaker buoyancy effect on the Nusselt number of the square cylinder. Turbulent heat transfer past the square cylinder can be improved by increasing blockage ratio. Based on the above...

... heat transfer when the pressure loss is considered and the Reynolds number is relatively large. turbulent heat transfer truncated rib truncation ratio re-attachement Gas turbine engines provide an efficient and reliable means of power production for both aircraft propulsion and power...

... is proposed as a function of the Reynolds stresses. A comparison of the direct numerical simulation data with an “a priori” prediction suggests that this simple model performs reasonably well. velocity-temperature dissimilarity turbulent heat transfer DNS This section presents the effects...

... and the Prandtl number. 08 11 2009 01 09 2011 26 01 2012 26 01 2012 algebra channel flow flow simulation heat transfer numerical analysis turbulence turbulent heat transfer Prandtl number turbulent heat flux model direct numerical simulation The scalar diffusion...

... research needs to be conducted under various flow conditions or configurations. chemically reacting flow combustion turbulent heat transfer flame holder channel flow channel flow chemically reactive flow combustion turbulence vortices 16 08 2009 02 02 2010 30 06...

... plates. In each case, impinging jets are used individually or in arrays ( 2 ). impingement cooling internal cooling turbine cooling heat transfer augmentation turbulent heat transfer variable property effects temperature ratio effects heat transfer jets Mach number turbulence...