... trend as those in Figs. 2 and 8 in Part 1 is observed. That is, with increasing surface temperature, the combustion rate first increases, then decreases abruptly, and again increases. In Fig. 1(a), ... were then conducted, in order for further comparisons with experimental results. In this Part 2, it is intended to make use of the information obtained in Part 1, for exploring carbon combustion, ... configuration, after confirming its appropriateness, being examined by varying both the freestream velocity and graphite rod diameter that can exert influences in determining velocity gradient....