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Research Papers

Quantitative and Qualitative Comparison of Light Water and Advanced Small Modular Reactors

[+] Author and Article Information
Fatih Aydogan

Mechanical and Nuclear Engineering,
University of Idaho, Center for Advanced Energy Studies (CAES),
Idaho Falls, ID 83401
e-mail: fatih@uidaho.edu

Geoffrey Black

Boise State University, College of Business and Economics,
Boise, ID 83725
e-mail: gblack@boisestate.edu

Meredith A. Taylor Black

Boise State University, College of Business and Economics,
Boise, ID 83725
e-mail: meredithblack@boisestate.edu

David Solan

Energy Policy Institute, CAES, Boise State University,
Boise, ID 83725
e-mail: davidsolan@boisestate.edu

1Corresponding author.

Manuscript received January 31, 2015; final manuscript received July 16, 2015; published online September 3, 2015. Assoc. Editor: Jovica R. Riznic.

ASME J of Nuclear Rad Sci 1(4), 041001 (Sep 16, 2015) (14 pages) Paper No: NERS-15-1015; doi: 10.1115/1.4031098 History: Received January 31, 2015; Accepted July 17, 2015; Online September 03, 2015

In recent years, several small modular reactor (SMR) designs have been developed. These nuclear power plants (NPPs) not only offer a small power size (less than 300 MWe), a reduced spatial footprint, and modularized compact designs fabricated in factories and transported to the intended sites, but also passive safety features. Some light water (LW)-SMRs have already been granted by Department of Energy: NuScale and mPower. New LW-SMRs are mainly inspired by the early LW-SMRs (such as process-inherent ultimate safety (PIUS), international reactor innovative and secure (IRIS), and safe integral reactor (SIR)). LW-SMRs employ significantly fewer components to decrease costs and increase simplicity of design. However, new physical challenges have appeared with these changes. At the same time, advanced SMR (ADV-SMR) designs (such as PBMR, MHR Antares, Prism, 4S, and Hyperion) are being developed that have improved passive safety and other features. This paper quantitatively and qualitatively compares most of the LW- and ADV-SMRs with respect to reactors, nuclear fuel, containment, reactor coolant systems, refueling, and emergency coolant systems. Economic and financing evaluations are also included in the paper. The detailed comparisons in this paper elucidate that one reactor is not superior to the others analyzed in this study, as each reactor is designed to meet different needs.

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Figures

Grahic Jump Location
Fig. 4

SMR development lines in world [12]

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Fig. 3

Reactor structure of SPWR [11]

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Fig. 2

Configuration of PIUS [9,10]

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Fig. 1

Configuration of SIR [9,10]

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Fig. 12

Splitted SG of W-SMR [15,26]

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Fig. 22

ECCS system of 4S [49]

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Fig. 13

Containment of W-SMR [15,26]

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Fig. 14

Containment of NuScale [46]

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Fig. 15

Containment of IRIS [18]

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Fig. 16

Containment of PRISM [35]

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Fig. 17

Containment of 4S [44]

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Fig. 20

IRIS ECCS system [28]

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Fig. 21

SMART ECCS system [48]

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Fig. 23

US Electricity Production Costs [62]. Production costs = operations and maintenance costs + fuel costs. Production costs do not include indirect costs and are based on FERC Form 1 filings submitted by regulated utilities. Production costs are modeled for utilities that are not regulated. Source: Ventyx Velocity Suite [62]

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