He is a research and development engineer in the Experiment Analysis Group of Nuclear Science and Technology at Idaho National Laboratory. In his present position, he leads in-pile instrumentation development for transient irradiation testing and is a principal investigator for transient testing of metallic fuels. He is an experiment safety and performance analyst for experiments at the Advanced Test Reactor and the Transient Reactor Test Facility. In addition, he is a technical lead for measurement of thermophysical properties of nuclear materials. He has expertise in energy transport in condensed matter, liquids, gases, and material interfaces. He has significant experience in advanced measurements of thermophysical properties of nuclear materials using multi-scaled approaches, including nano-scale measurements using atomic force microscopy, laser-based microscopic photothermal methods, and bench-scale high temperature thermal conductivity techniques. He also has expertise in numerical and commercial finite element analysis. He holds bachelor’s and master’s degrees from Utah State University and a joint doctorate from Utah State University and Universite de Reims Champagne-Ardenne. He is a member of American Nuclear Society (ANS) and American Society of Mechanical Engineers. He was the founding president of the ANS Student Chapter at Utah State University and currently serves as an Executive Committee member for the Material Science and Technology Division of ANS.
He is a staff scientist at Idaho National Laboratory (INL) and a recognized expert in materials characterization and instrumentation. He has a doctorate in materials science and condenser matter physics from the University of California, Davis. His work has spanned global and nationwide collaborations. He has worked at premier nanocharacterization facilities at national laboratories and universities and has expert knowledge of scanning transmission electron microscopy, atom probe tomography and electron loss spectroscopy. His primary research interests lie in the investigation of materials and the origins of their physical properties. He has heavily leveraged the use of multidimensional microscopy, diffraction and artificial intelligence to address delays in data access and extraction, which has led to a new frontier in advanced microscopy. At INL, he continues to focus on the development and application of machine and deep learning in order to decipher and decimate information from images, spectra, and diffraction patterns to maximize the effectiveness, efficiency and utility of advanced microscopy. He is an invited academic faculty member and manager for a diverse group of postdoctoral research scientists, graduate students, and technicians across several national laboratories and universities. He is an author of 45 peer-reviewed publications, a recognized reviewer, and a technical contributing member to energy materials research. He was awarded two patents and has three patents pending, including an innovative approach to computational microscopy using machine learning.
He is a human factors engineer in the Human Factors, Controls, and Statistics Department with 37 years of experience in various human factors engineering roles in heavy industry, defense, nuclear, and commercial organizations. His primary focus is on making work more effective, efficient, and satisfying through the design of human-centered tools, methods, and work environments. He has worked at Idaho National Laboratory since 2010. His current work includes researching and developing methods and procedures to integrate human factors principles in the systems engineering process for advanced and modernized nuclear power stations with an emphasis on human-system interfaces and control room design and information visualization. He has a master’s degree in human computer interaction from the University of South Africa and associate degrees in human computer interaction and industrial engineering.
He is a research scientist specializing in crosscutting applications and advancement of sensor research to enable resilient real-time measurement and control of process variables within the nuclear and other critical industries. His research expertise includes applications of pattern recognition and machine learning techniques, instrumentation and controls, data analytics, battery modeling, risk and reliability, digital signal processing, acoustic telemetry, diagnosis/prognosis using wavelets and empirical mode decomposition, time series analysis, power management, wireless communication protocols, and wireless sensor networks. He has authored 51 peer-reviewed publications and one book chapter, and two U.S. patent applications filed. To date, he was involved in 13 research projects and has been the principal investigator for eight. He serves as a reviewer for the Institute of Electrical and Electronics Engineers (IEEE) Transactions on Image Processing, Energy Conversion, Industrial Informatics, Industrial Applications, Power Delivery, Systems, Machine and Cybernetics, Instrumentation and Measurement, and the American Nuclear Society (ANS) Transactions on Nuclear Technology. He serves as an external reviewer for U.S. Department of Energy’s Office of Science and Office of Nuclear Energy. Since 2009, he has been section editor for the Journal of Pattern Recognition Research. Since 2015, he has served as an elected member of the ANS Human Factors, Instrumentation, and Controls Division and the American Society of Mechanical Engineers Nondestructive Prognostics and Diagnostic Division since 2016.
He is a staff research scientist working in the Nuclear System Design and Analysis Division at Idaho National Laboratory (INL). He has expertise in heat transfer, fluid mechanics, thermal design, thermodynamics and nuclear safety analyses. Over the last few years, he has been researching high temperature heat exchanger design and optimization, system integration and power conversion systems, and safety and reliability for Advanced Reactor Concepts, and also has extensive experience in the design and construction of large-scale experimental systems for nuclear and thermal-hydraulic research. He has more than 12 years of research and development experience in nuclear/thermal engineering and has been involved in several academic, industrial, and cross-discipline national laboratory research projects. He is currently working to develop a new multi-loop, multi-fluid advanced test facility designed to examine thermal hydraulic and materials issues associated with advanced nuclear reactor technologies. He has authored two books; contributed chapters to technical books on advanced reactors, thermal systems and process heat transfer; published over 100 peer-reviewed publications; and served as the INL lead for numerous partnerships. He holds an adjunct faculty appointment in the Department of Mechanical, Aerospace, and Nuclear Engineering at Rensselaer Polytechnic Institute. He obtained his bachelor’s in mechanical engineering with concentration in robotics and controls from Wilkes University in Pennsylvania, a master’s degree in nuclear engineering with a minor in mechanical engineering from Oregon State University, a master’s degree in engineering management from University of Idaho, and doctorate in nuclear engineering from University of Idaho.
With 23 years of experience in engineering design, safety, and analysis of nuclear and energy systems, he has served as a principal member of the technical staff at Sandia National Laboratories since 1995, as well as a research associate professor at the University of New Mexico since 2012. His key areas of expertise include computational fluid dynamics, turbulence, dimpling, swirl, advanced manufacturing, and heat transfer. He is experienced with gas, water, molten salt, and heavy-water cooled reactors, including large, small, and miniature reactors. His primary technical achievements include right-sized dimpling, the LIKE algorithm, design of advanced fire sprinklers, isotropic turbulence decay model, development of five new vortices, a vortex unification theory, dynamic swirl modeling, and central recirculation zone modulation. He earned a doctorate in nuclear engineering from the University of New Mexico, as well as a doctorate in philosophy and apologetics from Trinity Seminary and College. He earned two master’s degrees in applied mathematics from the University of New Mexico and mechanical engineering from the University of Idaho, and a bachelor’s in nuclear engineering from the University of California - Santa Barbara. He is currently writing an engineering book for the Springer Publishing Company entitled, “Applied Computational Fluid Dynamics and Turbulence Modeling.”
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