A Compact Low-loss Additive-manufactured Redirecting Heat Exchanger (CLARE): The evolution of aerodynamic efficiency

Le résumé fourni par la source

• Evoluted heat exchanger shows increased highspeed performance under oblique inflow • Staggering and contouring the leading edge have similar benefits • Homogenizing the inflow and reducing the leading edge separation is essential This paper presents the evolution of a matrix starting from a straight inlet-duct and targeting a staggered configuration with adapted edges and oblique inflow in three steps. Major loss mechanisms of each step are quantified using a comprehensive 3D CFD model. By the end, the heat exchanger enables an inlet velocity being 2.7 higher while increasing the pressure loss coefficient in the range between 5.3 % and 12.2 % in comparison to the same matrix under straight inflow. Further optimization potential is identified by reducing the leading edge flow separation and homogenizing the inflow into the matrix.

Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.