ABSTRACT
Boiling heat transfer is the operating mode of heat transfer in BWR cores and may also occur in certain conditions in PWR cores. Furthermore, it is present in the steam generators and steam equipment of practically all nuclear plants. Therefore, it is of interest to the analysis of normal operating thermal conditions in reactor plants. Additionally, the provision of sufficient margin between the anticipated transient heat fluxes and the critical boiling heat fluxes is a major factor in the designs of LWR cores, as are the two-phase coolant thermal conditions under postulated loss of coolant events.
