Numerical Study on Air-Side Performance for Round, Oval and Flat Tube Heat Exchangers with a Different Configuration of Fins

This seminar presents numerical investigation of air-side heat transfer and pressure drop characteristics for several different fin-tube type heat exchangers. Three different types of tube geometry and four different fins are considered. The CFD analysis is conducted by using commercially available software (ANSYS Fluent 6.3) for Reynolds number range of 35 -200, with the corresponding face velocity range of 0.3-2.0 m/s.  After verifications of CFD results using available experimental data, a series of parametric study for design parameters of fin geometry has been conducted. The CFD results are reported in terms of Colburn j- and Fanning friction f-factors.