Fig. 6

(a) \({Nu}_{TP}\) vs \({Re}_{num}\) plot for different \({Per}_{ID}/{Per}_{OD}\) (b) \({f}_{TP}\) vs \({Re}_{num}\) plot for different \({Per}_{ID}/{Per}_{OD}\).

(a) \({Nu}_{TP}\) vs \({Re}_{num}\) plot for different \({Per}_{ID}/{Per}_{OD}\) (b) \({f}_{TP}\) vs \({Re}_{num}\) plot for different \({Per}_{ID}/{Per}_{OD}\).