Firas F. Qader, Adnan M. Hussein, Suad H. Danook, Barhm Mohamad and Omar S. Khaleel (2023) “Enhancement of Double-Pipe Heat Exchanger Effectiveness by using Porous Media and TiO2 Water”, CFD Letters, 15(4), pp. 31–42. doi: 10.37934/cfdl.15.4.3142.