TY - JOUR TI - Response surface based optimization of ribbed isosceles triangular twisted tape heat exchanger using entropy augmentation generation number with al2o3 nano working fluid AU - Pavan Kumar, K. AU - Siddhardha, R. AU - Raju, R. AU - Sudheer Kumar, K. JO - Journal of Thermal Engineering PY - 2019 VL - 5 SP - 210 EP - 221 DO - ER -