[PDF] Top 20 Experimental investigation on convective Heat Transfer Enhancement by EHD

... enhance convective heat transfer in air is based on the use of electric fields to induce secondary flows (or ionic ...propelled by the Columbic force transfers momentum to neutral fluid ... Voir le document complet

... times heat transfer enhancement due to bubble injection (see figure 6 ...induced by bubbles is a highly effective mechanism for heat transfer ...total heat transfer ... Voir le document complet

... the experimental measurements and CFD simulations conducted by Allison focused only on the free delivery ...the heat losses were only estimated rather than experimentally characterized, which could ... Voir le document complet

... on heat transfer in bubbly flow we choose a different ...global heat transfer in both the single- and two-phase flow cases with the goal of understanding how the imposed temperature difference ... Voir le document complet

... on heat transfer enhancement by sub-millimeter bubbles for laminar natural convection along a vertical ...J. Heat Fluid Flow 30 (4), ... Voir le document complet

... on heat transfer enhancement by sub-millimeter bubbles for laminar natural convection along a vertical ...J. Heat Fluid Flow 30 (4), 778–788 ... Voir le document complet

... the heat transfer coefficient between a vertical wall and a two-phase pool with varying viscosity and superficial gas ...of experimental results justified the build-up of the CLARA ...of heat ... Voir le document complet

... regime, heat transfer takes place almost entirely by conduction with a mean Nusselt number at the mid-axial plane of ...where heat transfer is highest at the inner and outer cylinders, ... Voir le document complet

... Anomalous enhancement was observed for all 4 turbulent flow ...justified by Williams et ...the experimental htc-vs-Re curves shift to the right and overlap with the predicted curves, as shown in Fig ... Voir le document complet

... the convective heat transfer enhancement in MHD flows [ 6 , 7 , 8 , 9 ...vective heat transfer in rectangular smooth duct flow of a magnetic fluid at a Reynolds number of ...the ... Voir le document complet

... convection heat transfer in cavities of horizontal domes with planar inner surfaces subject to cold or hot uniform temperature boundary ...convection heat transfer in horizontal ... Voir le document complet

... 5.1. Offset strip fins Fig. 7 compares micromixing time and flow rate for the empty duct channel and OSFs studied. This figure shows that, whatever the geometry, the micromixing time decreases with the flow rate. It also ... Voir le document complet

... experimentally by Tiggelbeck ’s exper- imental [47] ...and experimental results obtained by Tiggelbeck et ...and heat transfer ... Voir le document complet

... treated by Barron et ...later by Mikhailov and Cotta ...the heat transfer and found an increase in the Nusselt number as the Knudsen number was ...fixed by Larrodé et ... Voir le document complet

... that heat transport is no longer of ballistic but rather of diffusive nature, governed by Fourier’s ...confirmed by several experimental works [19, 61, ...mentioned by Keblinski et ... Voir le document complet

... gives support to the choice of the functional J L 2 providing a consistent result with the J H 1 functional one, which is more mathematically relevant in our context. 4. Conclusions We proposed a new approach for the ... Voir le document complet

... approximation of the real solution by a power series expansion of Rayleigh number up to the second order. Walton (1980) conducted a stability analysis of natural convection flow in an annulus of small R by ... Voir le document complet

... the heat transfer enhancement seems to be dependent of the roll angle ...paragraphs by representing the Nusselt number distribution and the vorticity strength streamwise ... Voir le document complet

... In this thesis work, stability of coated YBCO conductor samples were studied both experimentally and analytically. Each test sample, 10-cm or 15-cm long and cooled direct[r] ... Voir le document complet

... This is certainly due to a nonlinearity induced in the linear spring anchorage of the LO. However, the behavior observed experimentally shows that energy pumping, under harmonic excitation, is possible without having ... Voir le document complet