Fig. 1. RMC model of heat pipe cooled nuclear reactor

Fig. 2. Evolution of k_eff for reactor with different monolithic materials

Fig. 3. Loaded ²³⁵U enrichment, ²³⁵U and ²³⁸U mass for reactor with different monolithic materials

Fig. 4. Initial neutron spectrum of core with different monolithic materials

Fig. 5. Inventory of ²³⁹Pu in three monolithic material cores

Fig. 6. Inventory of ²⁴¹Pu in three monolithic materials core

Fig. 7. Neutron capture cross and fission cross of ²⁴¹Pu

Fig. 8. Inventory of ²³⁷Np in three monolithic material cores

Fig. 9. Inventory of ²⁴¹Am in three monolithic material cores