TY - JOUR TI - Numerical analysis of spiral tube heat exchanger circulated with zinc oxide nanofluids AU - VARMA, K.P.V.K. AU - VENKATESWARLU, K. AU - KALYANI, T. AU - HEMALATHA, S. AU - KUMAR, P.V. JO - Journal of Thermal Engineering PY - 2025 VL - 11 SP - 377 EP - 389 DO - 10.14744/thermal.0000921 ER -