%0 Journal Article %T Performance improvement of a decayed flow heat exchanger using spiral flow and nanofluid %A HASHIM, W.M. %A AL-ZUBAIDI, F.N. %A AL-SALIHI, H.A. %J Journal of Thermal Engineering %D 2025 %V 11 %P 508-518 %R 10.14744/thermal.0000930