Transient analysis on overpower and loss of heat sink of a small natural circulation lead-cooled fast reactor
Creators
- 1. University of Science and Technology of China, Hefei (China)
Description
Small natural circulation lead-cooled fast reactor has a good property of passive safety and economic. The primary cooling system model was established, based on the concept of a 100MWth small natural circulation lead-cooled fast reactor (SNCLFR-100). With RELAP5 code, initial state and transient conditions were analyzed, including the protected transient of overpower and loss of heat sink, and the unprotected transient of overpower and loss of heat sink. The results show that during the protected transient of overpower and loss of heat sink process, the reactor is safe with the help of reactor trip protection system. As for the unprotected one, the reactor shuts itself down on account of the strong negative feedback of reactivity in 500 s, and the temperatures of coolant, cladding and fuel pellet are below the safety limits. The simulations of the two transient could verity the inherent safety of this new reactor. (authors)
Additional details
Publishing Information
- Journal Title
- Nuclear Power Engineering
- Journal Volume
- 38
- Journal Issue
- 4
- Journal Page Range
- p. 1-5
- ISSN
- 0258-0926
INIS
- Country of Publication
- China
- Country of Input or Organization
- China
- INIS RN
- 52062085
- Subject category
- S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
- Descriptors DEI
- CLADDING; COOLANTS; FEEDBACK; FUEL PELLETS; LEAD COOLED REACTORS; LOSSES; NATURAL CONVECTION; PRIMARY COOLANT CIRCUITS; REACTIVITY; SAFETY; SIMULATION; TRANSIENTS
- Descriptors DEC
- CONVECTION; COOLING SYSTEMS; DEPOSITION; ENERGY SYSTEMS; ENERGY TRANSFER; HEAT TRANSFER; LIQUID METAL COOLED REACTORS; MASS TRANSFER; PELLETS; REACTOR COMPONENTS; REACTOR COOLING SYSTEMS; REACTORS; SURFACE COATING
Optional Information
- Notes
- 8 figs., 2 tabs., 9 refs.