TY  - EJOU
AU  - Manca, Oronzio 
AU  - Nardini, Sergio 
AU  - Ricci, Daniele 

TI  - NUMERICAL STUDY OF AIR FORCED CONVECTION IN A CHANNEL  PROVIDED WITH INCLINED RIBS
T2  - Frontiers in Heat and Mass Transfer

PY  - 2011
VL  - 2
IS  - 1
SN  - 2151-8629

AB  - Convective heat transfer may be enhanced passively by adopting rough surfaces. Ribs break the laminar sub-layer and create local turbulence in the 
channel, reducing thermal resistance and enhancing the heat transfer. However, higher losses are expected. In this paper a numerical investigation is 
carried out on air forced convection in a rectangular ribbed channel. A three-dimensional model is developed to study the effect of the angle between 
the fluid flow direction and the ribbed surface, provided with rectangular turbulators, in the turbulent flow. Simulations s that Nusselt numbers as 
well as the pressure drops increase as the inclination angles increase.
KW  - <i>Heat Transfer Enhancement
KW  -  Turbulent Flow
KW  -  Ribs
KW  -  Forced Convection.</i>

DO  - 10.5098/hmt.v2.1.3007