Experimental investigation of thermal-hydraulic characteristics of finned oval tube bundles in cross-flow arrangements

Abstract Enhancement of heat transfer using finned circular tubes arranged in counter-flow configurations are accompanied by high pressure losses. To obviate these problems, finned oval tubes are introduced which can enhance heat transfer while keeping pressure losses minimum. In this paper, different configurations of finned oval tubes which are called tube bundles are experimentally investigated using a thermal camera and a smoke wind tunnel (1800