%0 Journal Article %T An enhancement of double pipe heat exchanger performance at a constant wall temperature using a nanofluid of iron oxide and refrigerant vapor %A KADHIM, S.A. %A ASKAR, A.H. %A SALEH, A.A.M. %J Journal of Thermal Engineering %D 2024 %V 10 %P 78-87 %R 10.18186/thermal.1429191