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Rahnema,
Farzad
Rahnema,
Farzad
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11 results
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ItemThe Challenges in Modeling and Simulation of Fluoride-Salt-Cooled High-Temperature Reactors(Georgia Institute of Technology, 2017-09-21) Rahnema, Farzad ; Petrovic, Bojan ; Singh, Preet ; Burke, Paul ; Zhang, Dingkang ; Noorani, Hemin ; Sun, Xiaodong ; Yoder, Graydon ; Tsvetkov, Pavel ; Zhang, Jinsuo ; Ilas, DanAccurate modeling and simulation (M&S) methods and tools are necessary to support design, analysis, and licensing of any reactor. This is one of the challenges that must be addressed for deployment of fluoride-salt-cooled high-temperature reactors (FHRs), as current M&S tools are insufficient due to unique phenomena associated with FHR operation including multiple heterogeneity in the reactor core, potentially large uncertainties in some of the fundamental cross section data for key reactor components, and others. FHRs offer benefits that include improved safety, proliferation-resistant waste, and improved thermodynamic efficiency due to higher operating temperatures. However, before these reactors can be deployed, several key technologies need to be developed further. In 2015, the U.S. Department of Energy initiated two university-led Integrated Research Projects (IRP) to address challenges associated with several of these technologies, one led by Georgia Tech (GT), and one led by the Massachusetts Institute of Technology (MIT). To address the M&S challenge, the GT-led IRP organized several PIRT exercises to identify fundamental, underlying issues with FHR modeling. Additionally, the two IRP teams jointly organized an FHR M&S Workshop to identify gaps in current M&S tools.
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ItemPhenomena Identification and Ranking Tables (PIRTs) Report for Material Selection and Possible Material Degradation Mechanisms in FHR(Georgia Institute of Technology, 2017-04-16) Singh, Preet M. ; Chan, Kevin ; Rahnema, FarzadPhenomena Identification and Ranking Table (PIRT) report for metallic materials use in Fluoride High-Temperature Reactors (FHRs)
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ItemPhenomena Identification and Ranking Tables (PIRT) Report for Fluoride High-Temperature Reactor (FHR) Neutronics(Georgia Institute of Technology, 2016-08-04) Rahnema, Farzad ; Edgar, Chris ; Zhang, Dingkang ; Petrovic, BojanRanking and identification of the phenomena presented by FHRs relating to the verification and validation of neutronics tools
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ItemThe Current Status of the Tools for Modeling and Simulation of Advanced High Temperature Reactor Neutronics Analysis(Georgia Institute of Technology, 2015-12) Rahnema, Farzad ; Petrovic, Bojan ; Edgar, Christopher ; Zhang, Dingkang ; Avigni, Pietro ; Huang, Michael ; Terlizzi, StefanoA current status of the tools for modeling and simulation of Advanced High Temperature Reactor neutronics is provided.
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ItemAn advanced integrated diffusion/transport method for the design, analysis and optimization of the very-high-temperature reactors(Georgia Institute of Technology, 2010-12-31) Rahnema, Farzad ; Zhang, Dingkang ; Ougouag, Abderrafi ; Frederick, Gleicher
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ItemNRC fellowships in the nuclear and radiological engineering program at Georgia Tech(Georgia Institute of Technology, 2010-08-30) Rahnema, Farzad ; Blaylock, Dwayne
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ItemAn innovative three-dimensional heterogeneous coarse-mesh transport method for advanced and generation IV reactor core analysis and design(Georgia Institute of Technology, 2009-08-14) Rahnema, Farzad
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ItemGNEP readiness at Georgia Tech(Georgia Institute of Technology, 2008-09) Rahnema, Farzad ; Hertel, Nolan E. ; Blaylock, Dwayne P.To prepare the Georgia Tech Nuclear and Radiological Engineering (NRE) program for research efforts needed in the Global Nuclear Energy Partnership the program used the funding to enhance both its computational and experimental capabilities. Approximately half the funding ($50,175) was used to purchase a department based high performance computing cluster. The remaining funds were used in the purchase of a flash Analog-to-Digital (ADC) digitizer.
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ItemHybrid coarse mesh transport/diffusion method for PBR neutronics analysis(Georgia Institute of Technology, 2007-07-30) Rahnema, Farzad ; Zhang, Dingkang
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ItemAn innovative Monte Carlo adaptation of a heterogeneous coarse mesh transport method for efficient and accurate radiation dose predicition in breast and prostrate cancer patients(Georgia Institute of Technology, 2006-12-20) Rahnema, Farzad ; Zhang, Dingkang