Interest in small modular reactors (SMRs) has ramped up of late owing to purposes in area of interest electrical energy or vitality markets the place giant reactors wouldn’t be viable—resembling for cogeneration in international locations with small grids, distant and off-grid areas, and for nuclear/renewable hybrid tasks.
Modular attributes may allow SMRs to focus on the economics of serial manufacturing, providing shorter building timeframes. But although vital developments have been achieved for greater than 50 key SMR applied sciences worldwide in recent times, most proceed to crawl via the event pipeline. Source: International Atomic Energy Agency’s (IAEA’s) Advanced Reactors Information Systems (ARIS) database
Land-based water-cooled SMRs: Designs that undertake integral mild water reactor (LWR) applied sciences.
Marine-based water-cooled SMRs: Concepts that may be deployed in a marine setting.
High temperature gas-cooled (HTGR) SMRs: Modular-type designs that present warmth of greater than 750C.
Fast neutron spectrum SMRs: Designs with quick neutron spectrum and an assortment of coolant choices. These embody sodium-cooled quick reactors (SFRs), heavy liquid metal-cooled (HLMC) quick reactors, and gas-cooled quick reactor (GFRs).
Molten salt SMRs. Designs which might be fueled and cooled with molten salt.
Other SMRs. SMRs that can’t be categorized in different classes.
—Copy and paintings by Sonal Patel, a POWER affiliate editor (@sonalcpatel, @POWERmagazine)
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