Modeling Loss-of-Flow Accidents and Their Impact on Radiation Heat Transfer

Figure 9

Pewee I radial nodalization diagram of core/reflector region. HS: heat structure; HV: hydrodynamic volume; M1: M1 elements; ICC: inner coolant channels; PCC: peripheral coolant channels; HCC: hot coolant channels; TRT: tie rod tubes; ICBW: inner core boundary wall; ISW: inner slat wall; OSW: outer slat wall; IAW: inner annulus wall; OAW: outer annulus wall; IRW: inner reflector wall; Int RW: intermediate reflector wall; ORW: outer reflector wall; ROS: rocket outer shell.