HR job title
- Associate Professor
- Contact Info
- 1 979 862 2616
- ORCiD
- 0000-0001-7389-6846
Chirayath, Sunil Associate Professor
Positions
- Associate Professor, Nuclear Engineering, College of Engineering
- Faculty affiliate, Institute for Engineering Education and Innovation, Texas A&M Engineering Experiment Station (TEES)
- Faculty Affiliate, Energy Institute, Texas A&M Engineering Experiment Station (TEES)
- Overview
- Publications
- Research
- Teaching
- Works By Students
- Background
- Contact
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Overview
Publications
selected publications
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academic article
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Mulyana, D., & Chirayath, S. S.
(2023).
Proliferation resistance of light water reactor versus pebble bed reactor (vol 188, pg 1, 2023). Annals of Nuclear Energy.
190, 109882-109882.
-
Mulyana, D., & Chirayath, S. S.
(2023).
Proliferation resistance of light water reactor versus pebble bed reactor. Annals of Nuclear Energy.
188, 109797-109797.
-
Chirayath, S. S., Boo, H., & Woo, S. M.
(2023).
Investigations on the Pu-to-244Cm ratio method for Pu accountancy in pyroprocessing. Nuclear Engineering and Technology.
-
King, J., Marianno, C., & Chirayath, S.
(2023).
Neutron Measurements and Monte Carlo Simulations of Spent Nuclear Fuel in Dry Cask Storage Using a New Remote Monitoring System Prototype. ahead-of-print(ahead-of-print), 1-13.
-
King, J. W., South, D. M., Marianno, C. M., & Chirayath, S. S.
(2022).
Experimental and Computational Verification of a New Remote Monitoring System Design for Spent Fuel Dry Cask Safeguards Using Small-Scale, Generic Diversion Scenarios. Nuclear Technology.
208(11), 1635-1648.
-
O'Neal, P. J., Chirayath, S. S., & Cheng, Q. i.
(2022).
A Machine Learning Method for the Forensics Attribution of Separated Plutonium. Nuclear Science and Engineering.
196(7), 811-823.
-
Sagadevan, A. A., & Chirayath, S. S.
(2022).
Experimental Verification of Proposed Internal Remote Monitoring System for Spent Nuclear Fuel Dry Cask Storage Applications. Nuclear Technology.
208(10), 1511-1521.
-
Moo, J. H., Chirayath, S. S., & Cho, S. G.
(2022).
Physical protection system vulnerability assessment of a small nuclear research reactor due to TNT-shaped charge impact on its reinforced concrete wall. Nuclear Engineering and Technology.
54(6), 2135-2146.
-
Sagadevan, A. A., & Chirayath, S. S.
(2022).
Design and Analysis of an Internal Remote Monitoring System for Spent Nuclear Fuel Stored in a Dry Cask. Nuclear Technology.
208(3), 428-436.
-
Sai Baba, M., Chirayath, S., Chowdhury, I., Nidhi, V., & Shah, A. K.
(2022).
A Review of Human Reliability Programs for Nuclear Security. Journal of Nuclear Materials Management.
XLIX(4),
-
Ang, W. E., Prasad, S. S., & Chirayath, S.
(2022).
Antineutrino detection for temporal monitoring of fuel burnup in a large nuclear reactor. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment.
1028.
-
Kitcher, E. D., Osborn, J. M., & Chirayath, S. S.
(2022).
Characterization of plutonium for nuclear forensics using machine learning techniques. Annals of Nuclear Energy.
170.
-
Gladen, R. W., Harvey, T. J., Chirayath, S. S., Fairchild, A. J., Koymen, A. R., Weiss, A. H., & Chirayath, V. A.
(2022).
Implementation of a machine learning technique for estimating gamma direction using a coaxial High Purity Germanium detector. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment.
1039.
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Martinson, S. P., Garcia, J. R., Haynes, I. W., Saini, S. P., Wagner, E. R., Long, G. R., Folden III, C. M., & Chirayath, S. S.
(2022).
Nondestructive and destructive assay for forensics characterization of weapons-grade plutonium produced in LEU irradiated in a thermal neutron spectrum. Annals of Nuclear Energy.
183.
-
Mulyana, D., & Chirayath, S. S.
(2022).
Proliferation resistance assessment of a typical pebble bed reactor fuel. Annals of Nuclear Energy.
165.
-
Zedric, R. M., Marianno, C. M., Chirayath, S. S., Diawara, Y., & Darby, I.
(2022).
The Effect of Radiation Damage on the Charge Collection Efficiency of Silicon Avalanche Photodiodes. 69(2), 152-159.
-
Mulyana, D., & Chirayath, S. S.
(2022).
The impact of refueling schemes on the proliferation resistance of a pebble bed reactor. Annals of Nuclear Energy.
170.
-
Zedric, R. M., Chirayath, S. S., Marianno, C. M., Diawara, Y., & Skukan, N.
(2021).
Bias-dependent displacement damage effects in a silicon avalanche photodiode. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms.
507, 42-45.
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Glennon, K. J., Bond, E. M., Bredeweg, T. A., Chirayath, S. S., O'Neal, P. J., & Folden, C.
(2021).
Nuclear forensics methodology identifies legacy plutonium from the Manhattan Project. Journal of Radioanalytical and Nuclear Chemistry: an�International Journal dealing with all Aspects�and Applications of Nuclear Chemistry.
330(1), 57-65.
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King, J. W., Shah, M. D., Marianno, C. M., Khatri, S. P., & Chirayath, S. S.
(2021).
Computational evaluation of a novel beta radiation probe design using integrated circuits. SN Applied Sciences.
3(3), 386.
-
Chirayath, S. S., Schafer, C. R., & Long, G. R.
(2021).
A new methodology to estimate stochastic uncertainty of MCNP-predicted isotope concentrations in nuclear fuel burnup simulations. Annals of Nuclear Energy.
151.
-
Glennon, K. J., Bond, E. M., Bredeweg, T. A., Chirayath, S. S., & Folden, C.
(2021).
Isolating trace fission product elements in separated plutonium for applications in nuclear forensics. Journal of Radioanalytical and Nuclear Chemistry: an�International Journal dealing with all Aspects�and Applications of Nuclear Chemistry.
327(1), 143-151.
-
Martinson, S. P., & Chirayath, S. S.
(2021).
Monte Carlo neutronics benchmarks on nuclear fuel depletion: A review. Annals of Nuclear Energy.
161.
-
Sagadevan, A., & Chirayath, S.
(2020).
Information driven safeguards approach for remote monitoring system of dry cask storage. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment.
954.
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Minamigawa, Y., Kitcher, E. D., & Chirayath, S. S.
(2020).
A Method to Estimate Fission Product Concentration Uncertainty in a Multi-Time-Step MCNP6 Code Nuclear Fuel Burnup Calculation. Nuclear Technology.
206(1), 73-81.
-
Woo, S. M., Kim, H., & Chirayath, S. S.
(2020).
Influence of the spatial Pu variation for evaluating the Pu content in spent nuclear fuel using Support Vector Regression. Annals of Nuclear Energy.
135.
-
Setiawan, Y. A., Chirayath, S. S., & Kitcher, E. D.
(2020).
MAPPS: A stochastic computational tool for multi-path analysis of physical protection systems. Annals of Nuclear Energy.
137.
-
Woo, S. M., Chirayath, S. S., & Fuhrmann, M.
(2020).
Nuclear fuel reprocessing: Can pyro-processing reduce nuclear proliferation risk?. Energy Policy.
144.
-
Aoki, T., Chirayath, S. S., & Sagara, H.
(2020).
Proliferation resistance evaluation of an HTGR transuranic fuel cycle using PRAETOR code. Annals of Nuclear Energy.
141.
-
Woo, S. M., Chirayath, S. S., Kang, C., & Minamigawa, Y.
(2020).
Semi-empirical analysis of the spatial variation of Pu quality ratio in a reactor core for application in pyroprocessing of used nuclear fuel. Annals of Nuclear Energy.
138.
-
Kurbanbekov, S. R., Woo, S. M., & Chirayath, S. S.
(2019).
Analysis of the DPRK's Nuclear Weapons Capabilities by Estimating Its Highly Enriched Uranium Stockpile and Natural Uranium Reserves. Science and Global Security.
27(2-3), 113-123.
-
Kitcher, E. D., Osborn, J. M., & Chirayath, S. S.
(2019).
Sensitivity studies on a novel nuclear forensics methodology for source reactor-type discrimination of separated weapons grade plutonium. Nuclear Engineering and Technology.
51(5), 1355-1364.
-
Glennon, K. J., Osborn, J. M., Burns, J. D., Kitcher, E. D., Chirayath, S. S., & Folden, C.
(2019).
Measuring key Sm isotope ratios in irradiated UO2 for use in plutonium discrimination nuclear forensics. Journal of Radioanalytical and Nuclear Chemistry: an�International Journal dealing with all Aspects�and Applications of Nuclear Chemistry.
320(2), 405-414.
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Osborn, J. M., Glennon, K. J., Kitcher, E. D., Burns, J. D., Folden, C., & Chirayath, S. S.
(2019).
Experimental validation of a nuclear forensics methodology for source reactor-type discrimination of chemically separated plutonium. Nuclear Engineering and Technology.
51(2), 384-393.
-
Woo, S. M., Boo, H., Chirayath, S. S., & Jeong, K.
(2019).
Investigations on Detecting Potential Nuclear Material Diversion from a Pyroprocessing Facility. Nuclear Technology.
205(3), 464-473.
-
Woo, S. M., & Chirayath, S. S.
(2019).
Evaluation of nuclear material accountability by the probability of detection for loss of Pu (LOPu) scenarios in pyroprocessing. Nuclear Engineering and Technology.
51(1), 198-206.
-
Woo, S. M., Chirayath, S. S., & Fratoni, M.
(2018).
Nuclide composition non-uniformity in used nuclear fuel for considerations in pyroprocessing safeguards. Nuclear Engineering and Technology.
50(7), 1120-1130.
-
Woo, S. M., Yim, M., & Chirayath, S. S.
(2018).
The cost-benefit analysis of the optimal Type-I (alpha) and Type-II (beta) error values for nuclear material accounting and safeguards. PROGRESS IN NUCLEAR ENERGY.
108, 281-285.
-
Osborn, J. M., Glennon, K. J., Kitcher, E. D., Burns, J. D., Folden, C., & Chirayath, S. S.
(2018).
Computational and experimental forensics characterization of weapons-grade plutonium produced in a thermal neutron environment. Nuclear Engineering and Technology.
50(6), 820-828.
-
Hawila, M. A., & Chirayath, S. S.
(2018).
Combined nuclear safety-security risk analysis methodology development and demonstration through a case study. PROGRESS IN NUCLEAR ENERGY.
105, 153-159.
-
Osborn, J. M., Kitcher, E. D., Burns, J. D., Folden, C., & Chirayath, S. S.
(2018).
Nuclear Forensics Methodology for Reactor-Type Attribution of Chemically Separated Plutonium. Nuclear Technology.
201(1), 1-10.
-
Kitcher, E. D., & Chirayath, S. S.
(2017).
A neutron transport and thermal hydraulics coupling scheme to study xenon induced power oscillations in a nuclear reactor. Annals of Nuclear Energy.
106, 64-70.
-
Swinney, M. W., Folden, C., Ellis, R. J., & Chirayath, S. S.
(2017).
Experimental and Computational Forensics Characterization of Weapons-Grade Plutonium Produced in a Fast Reactor Neutron Environment. Nuclear Technology.
197(1), 1-11.
-
Mendoza, P. M., Chirayath, S. S., & Folden Iii, C. M.
(2016).
Fission product decontamination factors for plutonium separated by PUREX from low-burnup, fast-neutron irradiated depleted UO2. APPLIED RADIATION AND ISOTOPES.
118, 38-42.
-
Kitcher, E. D., & Chirayath, S. S.
(2016).
Neutronics and thermal hydraulics analysis of a small modular reactor. Annals of Nuclear Energy.
97, 232-245.
-
Hawila, M. A., & Chirayath, S.
(2016).
Nuclear Security Risk Analysis: An Insider-Outsider Collusion Scenario. International Journal of Nuclear Security.
2(2),
-
Martin, T. M., Vasudevan, L., & Chirayath, S. S.
(2015).
Correlation Between Exposure Rate and Residual Activity in Felines Undergoing 131I Thyroid Ablation Therapy. Health Physics: the radiation safety journal.
109(2), 95-103.
-
Kelly, R., Tsvetkov, P., Chirayath, S., Poston, J., & Kitcher, E.
(2015).
UNCERTAINTY QUANTIFICATION OF CONCRETE UTILIZED IN DRY CASK STORAGE. Nuclear Technology.
190(1), 72-87.
-
Chirayath, S., Osborn, J. M., & Coles, T. M.
(2015).
Trace Fission Product Ratios for Nuclear Forensics Attribution of Weapons-Grade Plutonium from Fast and Thermal Reactors. Science and Global Security.
23(1), 48-67.
-
Chirayath, S., Giannangili, D., Elmore, R., Hollenbeck, G., Chandregowda, N., Charlton, W., Metcalf, R., & Ragusa, J.
(2015).
Proliferation Resistance Analysis and Evaluation Tool for Observed Risk (PRAETOR) Methodology. Journal of Nuclear Materials Management.
XLIII(2), 22-47.
-
du Toit, M., & Chirayath, S.
(2015).
Proposal for improved nuclear fuel utilisation and economic performance by utilising thorium. Journal of Energy in Southern Africa.
26(2), 11-18.
-
Gariazzo, C. A., Ragusa, K., Boyle, D., Charlton, W., Chirayath, S., Marianno, C., & Nelson, P.
(2015).
The Nuclear Security Science Policy Institute at Texas A&M University. 1(1),
-
Kumar, A., Chirayath, S. S., & Tsvetkov, P. V.
(2014).
Analysis of a sustainable gas cooled fast breeder reactor concept. Annals of Nuclear Energy.
69, 252-259.
-
Chandregowda, N. G., Chirayath, S. S., Charlton, W. S., Ham, Y., Sitaraman, S., & Ahn, G. H.
(2013).
ASSESSMENT OF THE FINGERPRINTING METHOD FOR THE VERIFICATION OF SPENT FUEL IN MACSTOR KN-400 CANDU SPENT-FUEL DRY STORAGE. Nuclear Technology.
184(3), 320-332.
-
Gaukler, G. M., Li, C., Ding, Y. u., & Chirayath, S. S.
(2012).
Detecting nuclear materials smuggling: performance evaluation of container inspection policies. Risk Analysis: an international journal.
32(3), 531-554.
-
Gaukler, G. M., Li, C., Cannaday, R., Chirayath, S. S., & Ding, Y. u.
(2011).
Detecting nuclear materials smuggling: using radiography to improve container inspection policies. Annals of Operations Research.
187(1), 65-87.
-
Chirayath, S. S., Hollenbeck, G., Ragusa, J., & Nelson, P.
(2009).
Neutronic and nonproliferation characteristics of (PuO2-UO2) and (PuO2-ThO2) as fast reactor fuels. Nuclear Engineering and Design: an international journal devoted to the thermal, mechanical, materials, and structural aspects of nuclear fission energy.
239(10), 1916-1924.
-
Thilagam, L., Jagannathan, V., sunny, C. S., & Subbaiah, K. V.
(2009).
VVER-1000 MOX Core Computational Benchmark analysis using indigenous codes EXCEL, TRIHEX-FA and HEXPIN. Annals of Nuclear Energy.
36(10), 1502-1515.
-
Thilagam, L., Sunny, C. S., Jagannathan, V., & Subbaiah, K. V.
(2009).
A VVER-1000 LEU and MOX assembly computational benchmark analysis using the lattice burnup code EXCEL. Annals of Nuclear Energy.
36(4), 505-519.
-
Sunny, C. S., Mohapatra, D. K., Mohanakrishnan, P., & Subbaiah, K. V.
(2008).
KAMINI reactor benchmark analysis. Annals of Nuclear Energy.
35(4), 570-575.
-
Devan, K., Aruna, P., Manigandan, D., Bharanidharan, G., Subbaiah, K. V., Sunny, C. S., & Ganesan, S.
(2007).
Evaluation of dosimetric parameters for various 192Ir brachytherapy sources under unbounded phantom geometry by Monte Carlo simulation. Medical Dosimetry.
32(4), 305-315.
-
Sureka, C. S., Sunny, C. S., Subbaiah, K. V., Aruna, P., & Ganesan, S.
(2007).
Dose distribution for endovascular brachytherapy using Ir-192 sources: comparison of Monte Carlo calculations with radiochromic film measurements. Physics in Medicine and Biology.
52(2), 525-537.
-
Sureka, C. S., Aruna, P., Ganesan, S., Sunny, C. S., & Subbaiah, K. V.
(2006).
Computation of relative dose distribution and effective transmission around a shielded vaginal cylinder with 192Ir HDR source using MCNP4B. Medical Physics.
33(6), 1552-1561.
-
Baskaran, R., Selvakumaran, T. S., & Sunny, C. S.
(2006).
Analysis of x-ray spectrum obtained in electron cyclotron resonance x-ray source. Review of Scientific Instruments.
77(3),
-
Mohapatra, D. K., Sunny, C. S., Mohanakrishnan, P., & Subbaiah, K. V.
(2004).
Monte Carlo modeling of KAMINI. Annals of Nuclear Energy.
31(18), 2185-2194.
-
Sunny, C. S., & Subbaiah, K. V.
(2004).
Shield structure optimisation studies for the west beam port of the KAMINI reactor. Annals of Nuclear Energy.
31(12), 1403-1413.
-
Subbaiah, K. V., & Sunny, C. S.
(2004).
View-CXS neutron and photon cross-sections viewer. Annals of Nuclear Energy.
31(8), 923-931.
-
Chirayath, S., Narayana, L. V., & Subbaiah, K. V.
(2002).
Simulation of Electron Linear Accelerator Head for 6MV Photon Beam Dose Calculations in Water Phantom Using Monte Carlo Methods. Journal of Medical Physics.
27(3),
-
Subbaiah, K. V., & Sunny, C. S.
(2001).
KAMINI Reactor South Beam Port Shield-Structure Optimization. Nuclear Technology.
135(3), 265-272.
-
Gopalakrishnan, C. R., & Chirayath, S.
(2001).
A new look at Dosimetry System- DS86. 24(1&2),
-
Chirayath, S., Narayanan, K. K., & Gupta, V. K.
(2000).
Development of an ALARA Program based on Radiological Measurements at a Nuclear Power Plant. 23(1),
-
Gupta, V. K., & Chirayath, S.
(1997).
Assessment of Collective Radiation Dose Budget for PHWR Stations. 20(1),
-
Gupta, V. K., & Sunny, S.
(1996).
Analysis of Routine Radiological Measurements in a Nuclear Power Plant. Nuclear Technology.
114(3), 404-412.
-
Mulyana, D., & Chirayath, S. S.
(2023).
Proliferation resistance of light water reactor versus pebble bed reactor (vol 188, pg 1, 2023). Annals of Nuclear Energy.
190, 109882-109882.
-
conference paper
-
Harvey, T. J., Fuhrmann, M., Marianno, C. M., & Chirayath, S. S.
(2023).
A simple and low-cost directional detection technique for radiation source localization for nuclear security applications. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment.
168129-168129.
-
Martinson, S. P., Garcia, J. R., Haynes, I. W., Chirayath, S., Saini, S. P., & Wagner, E. R.
(2022).
Analysis of Destructive and Nondestructive Assays of Irradiated LEU Fuel Material for the Validation of MCNP and Nuclear Forensics Methodologies
-
Bhattacharya, S., Goel, A., Yadav, A., Datta, A., Ray, S., Gupta, A., ... Chirayath, S.
(2022).
Nuclear Science and Security Education Laboratory at Amity Off-Line and On-line Facility Development
-
O'Neal, P. J., & Chirayath, S.
(2022).
Using Machine Learning Techniques to Verify Mixed Plutonium Sample Attributes
-
O'Neal, P. J., & Chirayath, S.
(2021).
Attribution of Separated Plutonium using Machine Learning Techniques
-
Saito, M., & Chirayath, S.
(2021).
Effects of Reprocessed Uranium Multi-Recycle on Proliferation Resistance of Plutonium and Uranium
-
Mulyana, D., & Chirayath, S.
(2021).
Fuel Pebbles Theft Analysis for Physical Protection System Development
-
Choi, S., & Chirayath, S.
(2021).
Investigation of Enriched Reprocessed Uranium Fuel for Inherent Protection of Uranium and Plutonium against Proliferation
-
Martinson, S. P., & Chirayath, S.
(2021).
Review of Monte Carlo Neutronics Isotopic Validation Studies on Nucler Fuel Depletion
-
Chirayath, S., Gariazzo, C. A., Righetti, R., & Naraghi, M.
(2021).
A Novel Nuclear Material Control Technique for Pebble Bed Reactors. Transactions of the American Nuclear Society.
758-761.
-
Martinson, S. P., & Chirayath, S.
(2021).
Review: Monte Carlo Neutronics Validation Studies of Burned Nuclear Material. Transactions of the American Nuclear Society.
580-583.
-
O'Neal, P. J., & Chirayath, S.
(2021).
Separated Plutonium Attribution Using Machine Learning Techniques. Transactions of the American Nuclear Society.
428-431.
-
Long, G. R., & Chirayath, S.
(2021).
Uncertainty Quantification of Fission Product Concentration Estimation in MCNP Fuel Depletion Simulations. Transactions of the American Nuclear Society.
424-427.
-
Rysz, H., Chirayath, S., & Ragusa, J.
(2020).
Uncertainty Quantification of Plu- tonium Inventory Calculations through Xenon Gas Sampling of Underground Waste Tanks containing High-Level Radioactive Waste from Uranium Reprocessing
-
Chirayath, S., & Mulyana, D.
(2019).
Investigation of Nuclear Safeguards Attributes Through Neutronics Simulation of Pebble Bed Reactor Core. Transactions of the American Nuclear Society.
1063-1066.
-
Chirayath, S., & Sagadevan, A.
(2019).
Safeguards Approaches for Remote Monitoring System of Spent Nuclear Fuel Dry Cask Storage. Transactions of the American Nuclear Society.
316-319.
-
Woo, S. M., Prasad, S., & Chirayath, S.
(2019).
Investigation of void formations using neutron measurements in filler materials for dual-purpose canisters. Transactions of the American Nuclear Society.
166-169.
-
Smith, K., Tsvetkov, P., Kim, M. H., Shao, L., & Chirayath, S.
(2019).
Floating Micro-Modular Reactor Concept for Localized Outages. Transactions of the American Nuclear Society.
680-682.
-
Rathore, K., & Chirayath, S.
(2019).
Investigation of Iran's Nuclear Weapon Latency Time in Case of Non-Compliance with JCPOA. Transactions of the American Nuclear Society.
629-632.
-
King, J., Chirayath, S., Aboud, E. E., Bautista, V. M., Behne, P. A., Boo, H., ... Suh, R. Y.
(2019).
Safety Evaluation of a Spent Fuel Dry-Storage Canister with Various Fill Materials. Transactions of the American Nuclear Society.
91-94.
-
Boo, H., Woo, S. M., & Chirayath, S. S.
(2018).
Safeguards analysis of pyroprocessing product ingot diversions possible through neutron source substitutions. 81-84.
-
Minamigawa, Y., Kitcher, E. D., & Chirayath, S. S.
(2018).
Statistical analysis of fission product concentration uncertainties from MCNP6 multi-time step depletion calculation. 140-143.
-
Schafer, R., Kitcher, E. D., & Chirayath, S. S.
(2018).
Uncertainty analysis of fission product concentrations in MCNP depletion calculations. 144-146.
-
Kitcher, E. D., & Chirayath, S. S.
(2017).
Improving a multi-physics coupling scheme for the analysis of xenon-induced power oscillations. Transactions of the American Nuclear Society.
1389-1392.
-
O'Neal, P. J., & Chirayath, S. S.
(2017).
Methodology development for combined evaluation of security and safety risk. Transactions of the American Nuclear Society.
922-925.
-
Chirayath, S. S., Marianno, C. M., Gariazzo, C. A., Nelson, P., Boyle, D. R., & Ragusa, K. H.
(2016).
Ten years of nuclear security education, research and training at Texas A&M University
-
Aoki, T., Chirayath, S. S., & Sagara, H.
(2016).
Material balance area design for the transuranic fuel cycle employing high temperature gas cooled reactors. Transactions of the American Nuclear Society.
909-912.
-
Hawila, M. A., & Chirayath, S. S.
(2016).
Probabilistic risk assessment of spent fuel pool cooling system failure considering safety & security initiating events. Transactions of the American Nuclear Society.
815-818.
-
Aoki, T., Sagara, H., & Chirayath, S. S.
(2016).
Proliferation resistance evaluation of an advanced fuel cycle employing high temperature gas cooled reactors
-
Kitcher, E., & Chirayath, S.
(2015).
Analysis of a generic small modular integral pressurized water reactor: Burnable absorber rod materials. Transactions of the American Nuclear Society.
1045-1048.
-
Hughes, C. L., Aakanchha, .., & Chirayath, S.
(2015).
Developing a mathematical scheme to combine single-parameter perturbation results in radiation transport calculations to predict joined parameter perturbations. Transactions of the American Nuclear Society.
988-991.
-
Swinney, M. W., & Chirayath, S. S.
(2014).
Comparison of FBR and HFIR Monte-Carlo simulations with validation from gamma spectroscopy in support of the NFASP project. Transactions of the American Nuclear Society.
999-1001.
-
Elmore, R. A., Chirayath, S. S., & Edreev, S.
(2014).
Proliferation resistance analysis of nuclear fuel cycle facilities to quantify the importance of containment, surveillance and physical protection systems. Transactions of the American Nuclear Society.
1006-1009.
-
Wu, H., Chirayath, S. S., & Hassan, Y. A.
(2013).
Generation of view factors for RELAP5 using MCNP. Transactions of the American Nuclear Society.
1703-1706.
-
Kitcher, E., & Chirayath, S.
(2013).
Neutronics performance analysis of a small modular integral pressurized water reactor. Transactions of the American Nuclear Society.
844-845.
-
Osborn, J. M., Coles, T. M., Twaddle, A. R., Chirayath, S. S., & Charlton, W. S.
(2013).
Nuclear forensics signature analysis of fast and thermal reactor produced weapons-grade plutonium. ACS National Meeting Book of Abstracts.
-
Elmore, R. A., Chirayath, S., & Charlton, W. S.
(2013).
Sensitivity analysis with PRAETOR for diversion of plutonium self-protected with Pu-238. Transactions of the American Nuclear Society.
999-1002.
-
Elmore, R. A., Charlton, W. S., & Chirayath, S.
(2012).
Comparative analysis of nuclear nonproliferation proliferation resistance approaches. Transactions of the American Nuclear Society.
805-808.
-
Tsvetkov, P., Chirayath, S., Ragusa, J., McDeavitt, S., Gariazzo, C., Johns, J., ... Rochau, G. E.
(2011).
High temperature super-critical CO
2 -cooled integrated multi-modular thermal reactor. Transactions of the American Nuclear Society. 1117-1119.
-
Chirayath, S., Tsvetkov, P., Ragusa, J., Skoda, R., & Gariazzo, C.
(2011).
Methodology for public safety, proliferation, and economics assessment of SMRs. Transactions of the American Nuclear Society.
1078-1079.
-
Bingham, A., Bradley, B., Zhang, Y., Ragusa, J., Chirayath, S., & Vierow, K.
(2009).
Analysis of advanced fuel assemblies for the LWRs. Transactions of the American Nuclear Society.
133-134.
-
Bowman, S., Chirayath, S., Goorley, T., Peddicord, K., Sadowski, W., Joden, G. S., & Vorobieva, I.
(2009).
Experiences with International Collaborations in Nuclear Engineering Research and Educational Exchanges-Panel. Transactions of the American Nuclear Society.
681-682.
-
Chirayath, S., Metcalf, R., Ragusa, J., & Nelson, P.
(2008).
Assessment of proliferation resistance requirements for fast-reactor fuel-cycle facilities. 131-142.
-
Mohapatra, D. K., Devan, K., Chirayath, S., Gupta, A., Modak, R. S., & Mohanakrishnan, P.
(2008).
Validation and Application of Transport Theory Methods for Predicting Neutron Detector Readings in FBR In-core Shields
-
Thilagam, L., Chirayath, S., Subbaiah, K. V., Devan, K., Young-Seok, L., & Jagannathan, V.
(2007).
Doppler Coefficient of Reactivity - Benchmark Calculations for Different Enrichments of UO2
-
Harvey, T. J., Fuhrmann, M., Marianno, C. M., & Chirayath, S. S.
(2023).
A simple and low-cost directional detection technique for radiation source localization for nuclear security applications. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment.
168129-168129.
-
institutional repository document
-
Martinson, S. P., Chirayath, S. S., Garcia, J. R., Haynes, I. W., Saini, S. P., Wagner, E. R., Long, G. R., & Folden, C. M.
(2022).
Nondestructive and Destructive Assay for Forensics Characterization of Weapons-Grade Plutonium Produced in Leu Irradiated in a Thermal Neutron Spectrum
-
Martinson, S. P., Chirayath, S. S., Garcia, J. R., Haynes, I. W., Saini, S. P., Wagner, E. R., Long, G. R., & Folden, C. M.
(2022).
Nondestructive and Destructive Assay for Forensics Characterization of Weapons-Grade Plutonium Produced in Leu Irradiated in a Thermal Neutron Spectrum
-
Martinson, S. P., Chirayath, S. S., Garcia, J. R., Haynes, I. W., Saini, S. P., Wagner, E. R., Long, G. R., & Folden, C. M.
(2022).
Nondestructive and Destructive Assay for Forensics Characterization of Weapons-Grade Plutonium Produced in Leu Irradiated in a Thermal Neutron Spectrum
Research
principal investigator on
- International and Domestic Nuclear Facilities Experience for the U.S. Students and National Lab Professionals awarded by United States Department of Energy - (Washington D.C., District of Columbia, United States) 2018 - 2023
- Continuation of Nuclear Security Engagements with the Department of Atomic Energy (DAE) and Universities in India awarded by United States Department of State - (Washington D.C., District of Columbia, United States) 2018 - 2020
- Nuclear Security Culture Development through Workforce Training and Academic Engagements for Professionals of Brazil, Egypt, India, Saudi Arabia, Turkey, UAE and other PNS Selected Countries awarded by United States Department of State - (Washington D.C., District of Columbia, United States) 2017 - 2020
- Nuclear Security Culture Development through Workforce Training and Certification for Professionals of Brazil, India, Indonesia, Jordan, Nigeria, UAE and other PNS Selected Countries. awarded by United States Department of State - (Washington D.C., District of Columbia, United States) 2016 - 2018
- Nuclear Safeguards Education Outreach Through the Nuclear Safeguards Education Portal and the Nuclear Facilities Experience awarded by United States Department of Energy - (Washington D.C., District of Columbia, United States) 2014 - 2018
- Experimental and Computational Assessment of Fission Product Residue in Plutonium From Low-Burn-Up Thermal Reactor Fuel and Gaussian Inverse Analysis for Forensics awarded by United States Department of Homeland Security - (New York, New York, United States) 2015 - 2017
- Nuclear Security Culture Development in Brazil, India, Indonesia, Nigeria and Other Selected Countries Through Academic Engagements awarded by United States Department of State - (Washington D.C., District of Columbia, United States) 2015 - 2017
- Nuclear Security Culture Development in India and Brazil through Academic Engagements along with Nuclear Security Educational Module Development awarded by United States Department of State - (Washington D.C., District of Columbia, United States) 2014 - 2016
- Nuclear Security Culture Development in India through Academia Engagement in Collaboration with Sandia National Laboratories awarded by United States Department of State - (Washington D.C., District of Columbia, United States) 2013 - 2015
- Experimental and Computational Assessment of Unique Trace Elements and Isotope Ratios in Separated Plutonium from Depleted Uranium Irradiated in Fast Reactor Blanket awarded by United States Department of Homeland Security - (New York, New York, United States) 2012 - 2015
Teaching
teaching activities
- ITDE684 Professional Internship Instructor
- ITDE691 Research Instructor
- NUEN330 Mcnp Radiation Transport Instructor
- NUEN485 Directed Studies Instructor
- NUEN489 Sptp: Mcnp Radiation Transport Instructor
- NUEN489 Sptp:mcnp Radiation Trasnport Instructor
- NUEN491 Hnr-research Instructor
- NUEN630 Monte Carlo Transport Instructor
- NUEN650 Nuclear Nonproliferation Instructor
- NUEN651 Fuel Cycl & Matls Safgrd Instructor
- NUEN684 Professional Internship Instructor
- NUEN684 Professional Internship: In-ab Instructor
- NUEN685 Directed Studies Instructor
- NUEN689 Sptp:nuclear Criticality Safe Instructor
- NUEN691 Research Instructor
- NUEN691 Research Instructor
Works By Students
chaired theses and dissertations
-
Allred, Jarrod Ryan (2016-08). Experimental Analysis of Plutonium Product and Raffinate Waste Streams from a PUREX Process on A Low Burn-Up, Fast Neutron Irradiated DUO2 Pellet.
-
Bencomo, Marlene (2016-04). Parametric Study of 99Mo Production Using a Sub-critical Low Enriched Uranium Assembly Design Proposed by Niowave Inc..
-
Coles, Taylor Marie (2014-04). Computational Nuclear Forensics Analysis of Weapons-grade Plutonium Separated from Fuel Irradiated in a Thermal Reactor.
-
Gowthahalli Chandregowda, Nandan (2012-08). Assessment of the Fingerprinting Method for Spent Fuel Verification in MACSTOR KN-400 CANDU Dry Storage.
-
Hawila, Mohammad Abdel-Majid Mustafa (2016-11). Combined Safety and Security Risk Evaluation Considering Safety and Security-Type Initiating Events.
-
Joe Justina, - (2012-08). Radiation Transport Simulation Studies Using MCNP for a Cow Phantom to Determine an Optimal Detector Configuration for a New Livestock Portal.
-
Kelly, Ryan Patrick (2013-05). Uncertainty Quantification of Concrete Utilized in Dry Cask Storage.
-
Khudoleeva, Alexandra P (2013-02). Conceptual Development of Remote Monitoring System for Pressurized Water Reactor Spent Fuel Dry Cask Storage Through Neutron and Gamma Transport Simulations.
-
Kitcher, Evans Damenortey (2016-08). Xenon Induced Power Oscillations in a Generic Small Modular Reactor.
-
Kitcher, Evans Damenortey, 1987- (2012-12). Performance and Safety Analysis of a Generic Small Modular Reactor.
-
Mendoza, Paul Michael (2018-02). Experimental Characterization of Pu Separation by Purex on a Low-Burnup, Pseudo-Fast-Neutron Irradiated DUO2 for Product Decontamination Factors and Nuclear Forensics.
-
Osborn, Jeremy (2014-08). Trace Fission Product Ratios for Nuclear Forensics Attribution of Weapons-Grade Plutonium from Fast Breeder Reactor Blankets.
-
Osborn, Jeremy Michael (2018-08). Nuclear Forensics Methodology for Source Reactor-Type Discrimination of Chemically Separated Plutonium.
-
Pompilio, Lauren Marie (2017-05). Analysis of 10 CFR Part 810 General Authorization Data on Assistance to Foreign Atomic Energy Activities.
-
Setiawan, Yanuar Ady (2018-05). ADVERSARY PATH ANALYSIS OF A PHYSICAL PROTECTION SYSTEM DESIGN USING A STOCHASTIC APPROACH.
-
Subbaiah, Meyappan (2016-07). An Analysis on the Correlates of Nuclear Proliferation and Nuclear Energy.
-
Swinney, Mathew Wayne (2015-12). Experimental and Computational Assessment of Trace Nuclide Ratios in Weapons Grade Plutonium for Nuclear Forensics Analysis.
-
Wilcox, Andrew John (2018-05). The Kinetic and Thermodynamic Properties of the Dissolution of Sodium Bismuthate.
-
Wu, Huali (2013-08). Heat Transfer Simulation of Reactor Cavity Cooling System Experimental Facility using RELAP5-3D and Generation of View Factors using MCNP.
Background
education and training
- Ph.D. in Physics, University of Madras - (Chennai, Tamil Nadu, India) 2005
- M.Sc. in Physics, University of Calicut - (Malappuram, Kerala, India) 1994
- B.Sc. in Physics, University of Calicut - (Malappuram, Kerala, India) 1989
- Texas A&M University - (College Station, Texas, United States) , Postdoctoral Training 2010
awards and honors
Contact
first name
- Sunil
has last name
- Chirayath
mailing address
-
Texas A&M University
Nuclear Security Science & Policy Institute
3473 TAMU
College Station, TX 77843-3473
USA
Other
- sunilsc@tamu.edu