Experimental and numerical study of forced convection heat transfer in different internally ribbed tubes configuration using TiO₂ nanofluid

Abstract

TiO 2 /water nanofluid is used together with a ribbed tube for heat transfer augmentation. This paper

Heat transfer enhancement with channel surface roughness: A comprehensive review

“…Al Kumait et al 62 studied the effect of ribbed tube configuration and rib pitch on HT and NF flow through the helical ribbed tube. The helical ribbed tube had a higher performance assessment requirement (about 2.0%) than a plain tube, whereas circumferentially ribbed tubes had 1.9%, and longitudinally ribbed tubes had 1.88%.…”

Experimental and numerical study of forced convictive heat transfer in a horizontal circular pipe with varying angles ribs

“…Fadhil et al [36] studied experimentally and numerically effect of the using semicircular ribs on two fluids flow (air and water) and the coefficient of heat transfer in the rectangular channel with varying of heat flux and velocities of the water and air. Al et al [37] investigated experimentally and numerically the influence of the pitch spacing of the rib in a turbulent ribbed tube on the fluid flow rate and coefficient of the heat transfer. Golam [38] examined the rib forms effect on the characteristics of convective heat transfer in a square passage, and his findings were supported by experimental evidence.…”

Effect of liquid saturated porous medium on heat transfer from thermoelectric generator

“…To have a high-power generation from TEG the heat transfer from the cold surface should be increased. This could be done by fins or forced convection as performed in [13,26] and many other researches. Such methods require fans and extra volume for fins which may not be available in many applications specially the medical or built-in application.…”