Kurapalli Shivareddy Madhu, Ramareddy Shankarareddy and Shantappa Gurubasappa Sangashetty 2023. Experimental Study on the Effect of TiO2–Water Nanofluid on Heat Transfer and Pressure Drop in Heat Exchanger with Varying Helical Coil Diameter. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences. 107, 2 (Aug. 2023), 50–67. DOI:https://doi.org/10.37934/arfmts.107.2.5067.