Author Page for Nathan Capps

Fuel Performance Analysis of Chromium-Coated Cladding Under Burst Conditions

Number of pages: 16 Posted: 07 May 2022

Nathan Capps, Ryan Sweet, Peter Mouche, Sam Bell and Kenneth Kane

Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Idaho National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory and Government of the United States of America - Oak Ridge National Laboratory

Downloads 66 (924,743)

Abstract:

2.

ROADRUNNER Uranium Nitride MiniFuel Accelerated Burnup Testing: Irradiation Design, Fuel Fabrication, and Pre-irradiation Characterization

Number of pages: 52 Posted: 31 Dec 2025

Denise Adorno-Lopes, Annabelle Le Coq, Adrian M. Schrell, Julian Valdez, Peter Doyle, Ryan Heldt, Grant W. Helmreich, Nathan Capps, Jason Harp, Kory Linton, Joshua T. White and Elizabeth S. Sooby

Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, University of Texas at San Antonio, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Los Alamos National Laboratory and University of Texas at San Antonio

Downloads 65 (916,100)

Abstract:

3.

Review and Analysis of the High-Burnup Fuel Fragmentation Data and Differences between LOCA Test Programs

Number of pages: 22 Posted: 03 Nov 2025

Nathan Capps, Yong Yan, Jason Harp, Peter Doyle, Mackenzie Ridley, Joakim Karlsson, Pia Tejland, Barbara Somfai and Ken Yeuh

Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Electric Power Research Institute

Downloads 65 (942,565)

Abstract:

4.

Step-Loaded Isothermal Creep Testing and the Effectively Isotropic Behavior of Zircaloy-4 at Higher Temperatures in the Α-Phase

Number of pages: 30 Posted: 21 Oct 2024

Samuel Bell, Mackenzie Ridley, Caleb Massey and Nathan Capps

Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory and Government of the United States of America - Oak Ridge National Laboratory

Downloads 61 (951,658)

Abstract:

5.

Recrystallization Driven Softening and Heating Rate Dependencies of FeCrAl Nuclear Fuel Cladding During Accident Transients

Number of pages: 30 Posted: 15 Jan 2025

Samuel Bell, Mackenzie Ridley, Nathan Capps, Ryan Sweet, Yukinori Yamamoto and Caleb Massey

Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Idaho National Laboratory, Government of the United States of America - Oak Ridge National Laboratory and Government of the United States of America - Oak Ridge National Laboratory

Downloads 60 (961,006)

Abstract:

6.

Multiphysics Analysis of Fuel Fragmentation, Relocation, and Dispersal Susceptibility–Part 2: High-Burnup Steady-State Operating and Fuel Performance Conditions

Number of pages: 32 Posted: 01 Mar 2023

Nathan Capps, Jake Hirschhorn, Ian Greenquist and Aaron Wysocki

Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Idaho National Laboratory, Government of the United States of America - Oak Ridge National Laboratory and Government of the United States of America - Oak Ridge National Laboratory

Downloads 55 (1,010,164)

Abstract:

7.

Assessment Of Hot Cell–Deployable Ring Tensile Specimen Geometries Using Digital Image Correlation

Number of pages: 15 Posted: 08 Aug 2023

Ben E. Garrison, Caleb Massey, Maxim Gussev, Nathan Capps and Kory Linton

Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory and Government of the United States of America - Oak Ridge National Laboratory

Downloads 52 (1,052,702)

Abstract:

8.

Model for Determining Rupture Area in Zircaloy Cladding Under Loca

Number of pages: 12 Posted: 07 May 2022

Nathan Capps and Ryan Sweet

Government of the United States of America - Oak Ridge National Laboratory and Government of the United States of America - Idaho National Laboratory

Downloads 48 (1,086,013)

Citation 2

Abstract:

9.

A Realistic Trace Pwr Loca Model with Application to High-Burnup Analysis

Number of pages: 43 Posted: 17 May 2024

Aaron Wysocki and Nathan Capps

Government of the United States of America - Oak Ridge National Laboratory and Government of the United States of America - Oak Ridge National Laboratory

Downloads 44 (1,133,231)

Abstract:

10.

Multiphysics Analysis of Fuel Fragmentation, Relocation, and Dispersal Susceptibility–Part 1: Overview and Code Coupling Strategies

Number of pages: 19 Posted: 01 Mar 2023

Ian Greenquist, Aaron Wysocki, Jake Hirschhorn and Nathan Capps

Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Idaho National Laboratory and Government of the United States of America - Oak Ridge National Laboratory

Downloads 43 (1,145,425)

Abstract:

11.

High-Burnup Boiling Water Reactor Steady-State Operating Conditions And Fuel Performance Analysis

Number of pages: 22 Posted: 21 Dec 2024

Nathan Capps, Robert K. Salko, Mehdi Asgari, Aaron Wysocki, Ian Greenquist, Shane Henderson, Baris Sarikaya, James Tusar and Ian Porter

Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, affiliation not provided to SSRN, affiliation not provided to SSRN and affiliation not provided to SSRN

Downloads 37 (1,222,651)

Abstract:

12.

Coupled Decay Heat and Thermal Hydraulic Capability for Loss-of-Coolant Accident Simulations

Number of pages: 29 Posted: 21 Nov 2023

Aaron Graham, Aaron Wysocki, Andrew Godfrey, Nathan Capps and Benjamin Collins

Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory and University of Texas at Austin

Downloads 35 (1,263,436)

Abstract:

13.

Bison Validation to in Situ Cladding Burst Test and High-Burnup Loca Experiments

Number of pages: 20 Posted: 07 Feb 2023

Nathan Capps, Mackenzie Ridley, Yong Yan, Samuel Bell and Kenneth Kane

Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory and Johns Hopkins University Applied Physics Laboratory

Downloads 30 (1,318,317)

Citation 4

Abstract:

14.

Effects of Transient Fission Gas Release on Rod Balloon Burst Behavior During a Loss-of-Coolant Accident

Number of pages: 24 Posted: 22 Sep 2023

Ian Greenquist and Nathan Capps

Government of the United States of America - Oak Ridge National Laboratory and Government of the United States of America - Oak Ridge National Laboratory

Downloads 27 (1,372,601)

Abstract:

15.

Multiphysics Analysis of Fuel Fragmentation, Relocation, and Dispersal Susceptibility–Part 3: Thermal Hydraulic Evaluation of Large Break Loca Under High-Burnup Conditions

Number of pages: 29 Posted: 07 Mar 2023

Aaron Wysocki, Jake Hirschhorn, Nathan Capps and Ian Greenquist

Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Idaho National Laboratory, Government of the United States of America - Oak Ridge National Laboratory and Government of the United States of America - Oak Ridge National Laboratory

Downloads 26 (1,372,601)

Abstract:

16.

Evaluating Transient Fission Gas Release in High Burnup Light Water Reactor Fuel During Loss of Coolant Accident Conditions via New Capabilities

Number of pages: 22 Posted: 24 Mar 2026

Jason Harp, Yong Yan, Charles A. Baldwin, Robert N. Morris, Matthew M. Jones and Nathan Capps

Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory and Government of the United States of America - Oak Ridge National Laboratory

Downloads 23 (1,448,301)

Abstract:

17.

Review and Analysis of the High-Burnup Fuel Fragmentation and Dispersal Data: Comparing LOCA Test Programs

Number of pages: 27 Posted: 11 Mar 2026

Nathan Capps, Yong Yan, Jason Harp, Peter Doyle, Mackenzie Ridley, Joakim Karlsson, Per Magnusson and Ken Yeuh

Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, affiliation not provided to SSRN, affiliation not provided to SSRN and Electric Power Research Institute

Downloads 20 (1,459,862)

Abstract:

18.

A Model to Assess Zircaloy's Mechanical Property Changes Following a Transient Beyond Critical Heat Flux

Number of pages: 29 Posted: 15 Aug 2025

Nathan Capps, Mackenzie Ridley, Samuel Bell, John Baele, David Schrire, Aaron Phillippe, Baris Sarikaya, Kan Sakamoto and Mahmut Nedim Cinbiz

Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Electric Power Research Institute, Electric Power Research Institute, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Government of the United States of America - Oak Ridge National Laboratory

Downloads 18 (1,470,786)

Abstract:

19.

Effect of Spacer Grids on High-Burnup Fuel Fragmentation, Relocation, and Dispersal

Number of pages: 28 Posted: 27 May 2026

Nathan Capps, Jason Harp, Yong Yan, Mackenzie Ridley, Peter Doyle, Robert K. Salko, Tyson Jordan, Lisa Gerken, Gordon Wissinger and Xavier Haller

Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, affiliation not provided to SSRN, affiliation not provided to SSRN and affiliation not provided to SSRN

Downloads 12 (1,541,665)

Abstract:

20.

Phase Stability Effects on the Thermomechanical Response of HT9 Fuel Cladding during Accident Relevant Transients

Number of pages: 24 Posted: 05 Mar 2026

Sam Bell, Mackenzie Ridley, Nathan Capps, Ryan Sweet, Aydin Karahan, Ying Yang, Amy Godfrey and Caleb Massey

Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Idaho National Laboratory, affiliation not provided to SSRN, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory and Government of the United States of America - Oak Ridge National Laboratory

Downloads 10 (1,541,665)

Abstract:

21.

Quantifying biases and limitations of two-dimensional DIC during LOCA burst testing of fuel cladding to support deployment in hot cell environments

Number of pages: 25 Posted: 09 Feb 2026

Samuel Bell, Peter Doyle, Nathan Capps and Mackenzie Ridley

Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory, Government of the United States of America - Oak Ridge National Laboratory and Government of the United States of America - Oak Ridge National Laboratory

Downloads 9 (1,548,648)

Nathan Capps

Government of the United States of America - Oak Ridge National Laboratory

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Scholarly Papers (21)

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