July 14, 2023
Conference Paper

Characterization of the Aerosol Source Term in Dry Storage Canisters


As long-term dry storage of used nuclear fuel at independent spent fuel storage installations (ISFSI) trends toward the de facto back end of the US fuel cycle, it becomes appropriate to investigate potential degradation and dispersion scenarios for suitable risk mitigation purposes. Pitting and subsequent stress corrosion cracking of the canister wall is currently viewed as a potential scenario leading to a through-wall pathway for contamination to be transferred from within the storage container to the surrounding environment. While stress corrosion cracking measurements are currently underway to further characterize this scenario, a parallel effort endeavors to perform a consequence analysis of conditions in which through wall cracks are indeed formed. This effort consists of engineering scale modeling using the GOTHIC and MELCOR software packages along with experimental depletion and penetration tests.

Published: July 14, 2023


Casella A.M., M.S. Lanza, B.D. Hanson, S. Durbin, and J. Philips. 2022. Characterization of the Aerosol Source Term in Dry Storage Canisters. In International High-Level Radioactive Waste Management Conference, November 13-17, 2022, Phoenix, AZ, 412-416. Downers Grove, Illinois:American Nuclear Society. PNNL-SA-174498.

Research topics