Improving the conceptual design of the Ohio State University Inherently Safe Reactor

Conference · Wed Jan 01 04:00:00 EST 1992 · Transactions of the American Nuclear Society; (United States)

OSTI ID:7231653

Aybar, H S; Aldemir, T; Christensen, R N ^[1]

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1. Ohio State Univ., Columbus (United States)

The Ohio State University Inherently Safe Reactor (OSU-ISR) is a conceptual design for a 340-MW(electric) (1,000-MW(thermal)) natural circulation, indirect cycle, small boiling water reactor. The design features a multi-cavity prestressed concrete reactor vessel (PCRV) that contains all primary loop components. Because of the water level change under normal operation due to level swell originating from voiding in the core and also possible level changes during accident conditions, the location and the size of the water bypass orifice and the initial water level (i.e., cold shutdown) are very important OSU-ISR design parameters. If the water level falls below the water bypass orifice, natural circulation cannot be maintained. If the water level rises above the steam separators, then the C/E performance will be impaired. This paper presents a parametric analysis of the water swell due to voiding and discuss the impact of this analysis on the OSU-ISR design.

• OSTI ID: 7231653
• Report Number(s): CONF-920606--
• Conference Information: Journal Name: Transactions of the American Nuclear Society; (United States) Journal Volume: 65
• Country of Publication: United States
• Language: English

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