TY - JOUR TI - An enhancement of double pipe heat exchanger performance at a constant wall temperature using a nanofluid of iron oxide and refrigerant vapor AU - KADHIM, S.A. AU - ASKAR, A.H. AU - SALEH, A.A.M. JO - Journal of Thermal Engineering PY - 2024 VL - 10 SP - 78 EP - 87 DO - 10.18186/thermal.1429191 ER -