Fig. 7

(a) \({Nu}_{TP}\) vs \({Re}_{num}\) plot for different \({P}_{TP}/{D}_{tube}\) (b) \({f}_{TP}\) vs \({Re}_{num}\) plot for different \({P}_{TP}/{D}_{tube}\).

(a) \({Nu}_{TP}\) vs \({Re}_{num}\) plot for different \({P}_{TP}/{D}_{tube}\) (b) \({f}_{TP}\) vs \({Re}_{num}\) plot for different \({P}_{TP}/{D}_{tube}\).