%0 Journal Article %T Numerical analysis of spiral tube heat exchanger circulated with zinc oxide nanofluids %A VARMA, K.P.V.K. %A VENKATESWARLU, K. %A KALYANI, T. %A HEMALATHA, S. %A KUMAR, P.V. %J Journal of Thermal Engineering %D 2025 %V 11 %P 377-389 %R 10.14744/thermal.0000921