Graduate Thesis Or Dissertation

 

SMR full-power scaling analysis and numerical simulation for nuclear hybrid energy system testing Public Deposited

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/ft848t73b

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  • A scaling analysis of the Oregon State University (OSU) - Multi-Application Small Light Water Reactor (MASLWR) system has been developed, and an existing RELAP5-3D model of the facility was improved. The purpose of this study is to support the research of hybrid energy systems, being led by Idaho National Laboratory (INL). Hybrid energy systems have recently become a point of interest for their ability to combine nuclear and non-nuclear clean power generation, while also providing energy storage and industrial production capabilities. Hybrid Energy Systems could well utilize small modular reactors (SMRs). For this study, the specific requirement is a RELAP5-3D model of the NuScale design. The OSU-MASLWR system modeled an older version of the NuScale design, so the RELAP model is based on that facility. However, MASLWR was not scaled for the types of testing that INL requires, so a new set of scaling parameters was developed. The RELAP model was benchmarked against IAEA data from an International Collaborative Standard Problem study performed at MASLWR in 2010. This work shows that the RELAP model agrees well with test data, and is therefore suitable for simulating the performance of the MASLWR system for nuclear hybrid energy system testing.
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