David Joseph Kropaczek

Works (7)

Updated: July 5th, 2023 15:32

2023 journal article

MOOGLE: A Multi-Objective Optimization tool for three-dimensional nuclear fuel assembly design

PROGRESS IN NUCLEAR ENERGY, 155.

By: B. Andersen  n & D. Kropaczek*

author keywords: Genetic algorithm; Fuel assembly design; Multi-Objective Optimization; Fuel lattices
topics (OpenAlex): Nuclear Materials and Properties; Nuclear and radioactivity studies; Nuclear reactor physics and engineering
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Source: Web Of Science
Added: February 20, 2023

2019 journal article

A new fuel modeling capability, CTFFuel, with a case study on the fuel thermal conductivity degradation

NUCLEAR ENGINEERING AND DESIGN, 341, 248–258.

By: A. Toptan n, R. Salko *, M. Avramova n , K. Clarno* & D. Kropaczek n

author keywords: CTFFuel; Thermal conductivity degradation; CTF; SQA; Verification
topics (OpenAlex): Nuclear reactor physics and engineering; Nuclear Materials and Properties; Nuclear Engineering Thermal-Hydraulics
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7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: December 31, 2018

2019 journal article

Constraint Annealing Method for Solution of Multiconstrained Nuclear Fuel Cycle Optimization Problems

NUCLEAR SCIENCE AND ENGINEERING, 193(5), 506–522.

By: D. Kropaczek n & R. Walden  n

author keywords: Nuclear fuel management; fuel cycle; optimization
topics (OpenAlex): Process Optimization and Integration; Advanced Multi-Objective Optimization Algorithms; Petroleum Processing and Analysis
TL;DR: The penalty-free method developed, referred to as constraint annealing, eliminates the use of traditional constraint penalty factors by treating the objective functions and constraints as separate and concurrently solved minimization problems within a global optimization search framework. (via Semantic Scholar)
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7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: June 24, 2019

2019 journal article

Gap conductance modeling I: Theoretical considerations for single- and multi-component gases in curvilinear coordinates

NUCLEAR ENGINEERING AND DESIGN, 353.

By: A. Toptan n, D. Kropaczek n & M. Avramova n 

author keywords: Gap conductance; Temperature jump distance; Thermal accommodation coefficient; Static load; Mixture
topics (OpenAlex): Nuclear Materials and Properties; Nuclear Engineering Thermal-Hydraulics; Granular flow and fluidized beds
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UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: October 21, 2019

2019 journal article

Gap conductance modeling II: Optimized model for UO2-Zircaloy interfaces

NUCLEAR ENGINEERING AND DESIGN, 355.

By: A. Toptan n, D. Kropaczek n & M. Avramova n 

author keywords: Gap conductance; Continuum; Ross-Stoute; Nuclear fuel performance; Uncertainty; Doppler temperature
topics (OpenAlex): Nuclear Materials and Properties; Nuclear reactor physics and engineering; Nuclear Engineering Thermal-Hydraulics
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6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: November 18, 2019

2019 journal article

Large-Scale Application of the Constraint Annealing Method for Pressurized Water Reactor Core Design Optimization

NUCLEAR SCIENCE AND ENGINEERING, 193(5), 523–536.

By: D. Kropaczek n & R. Walden  n

author keywords: Pressurized water reactor; core design; optimization
topics (OpenAlex): Process Optimization and Integration; Nuclear reactor physics and engineering; Reservoir Engineering and Simulation Methods
TL;DR: Results demonstrate that constraint annealing inherently addresses issues of scaling associated with different objective function and constraint formulations as well as the impact on cycle energy. (via Semantic Scholar)
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Source: Web Of Science
Added: June 24, 2019

2019 journal article

On the validity of the dilute gas assumption for gap conductance calculations in nuclear fuel performance codes

NUCLEAR ENGINEERING AND DESIGN, 350, 1–8.

By: A. Toptan n, D. Kropaczek n & M. Avramova n 

author keywords: Fill gas thermal conductivity; Gap conductance; Fuel performance; Doppler; Mixture thermal conductivity; Rod internal pressure; Dilute; Dense
topics (OpenAlex): Nuclear Materials and Properties; Nuclear reactor physics and engineering; Fusion materials and technologies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: June 24, 2019

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