Experimental study of forced convection in asymmetrically heated sintered porous channels with/without periodic baffles

Experimental study of mixed convection heat transfer in a vertical duct filled with metallic porous structures

“…In general, the possible factors contributing to heat transfer process in a porous material made of perforated plates can be, (1) increased effective surface area; (2) increased conduction heat transfer resulting from contact between the perforated plates and the wall surface; (3) enhanced mixing of fluid stream due to large local flow velocities within the porous insert; and (4) increased turbulence due to jet like flow through the holes of the perforated plates. The first two factors promote heat transfer through fin effect and the last two factors promote heat transfer coefficient through enhanced turbulence [19,20]. The foregoing discussion implies that the fin effect has a profound effect on heat transfer in low porosity porous samples.…”

The effect of different inlet conditions of air in a rectangular channel on convection heat transfer: Turbulence flow

“…Methods of the PHE have been extensively explored with the attempts to overcome the thermal problems subject to high heat flux [4]. A variety of surface ribs [5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21], perforated baffle [22][23][24][25][26][27], pin-fins [28][29][30][31][32], Snail, propeller, twisted and winglet-type vortex generators [33,34,30,[35][36][37][38][39][40][41][42][43][44][45][46] have been devised to enhance heat transfer rates in ducts. However, it is shown in the literature review that detail exploration of turned flow in the channel needs more extensive study.…”

Application of different CFD multiphase models to investigate effects of baffles and nanoparticles on heat transfer enhancement

“…Applying baffle is another common method to increase the heat transfer rate and several experimental studies on the heat transfer performance of baffles have been reported [6,[14][15][16]. Rectangular, triangular, circular porous and nonporous baffles with different orientations were used to increase the heat transfer [6].…”