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Rick Jayne
Staff Page • Research Hydrogeologist. Biography Rick is a research hydrogeologist with research interests at the intersection of geologic fluid systems and energy resources, including radioactive waste disposal (especially in salt), CO2 sequestration, geothermal energy resources, basin-scale fluid systems and groundwater availability in arid regions. To better understand these geologic fluid systems, Rick...

Rip V. Winckel
Staff Page • Environment, Safety and Health Coordinator. Biography Rip V. Winckel is an Environmental Health and Safety Coordinator supporting Sandia National Laboratories’ Concentrating Solar Power program and the National Solar Thermal Test Facility. Rip is experienced in Program Risk Management, Primary Hazard Analysis and Risk Assessments, Environmental Management Systems, Industrial Hygiene Surveys,...

Robert Keene
Staff Page • Manager, Solar Thermal Test & Demonstration . Robert Keene is manager of the National Solar Thermal Test Facility (NSTTF), which is operated by Sandia National Laboratories for the U.S. Department of Energy. Robert manages a staff of 25 engineers, technologists and students. His team is responsible for thermal testing operations...
Corporate photo of NSTTF Manager Rob Keene

Roberta Gonzales
Staff Page • Business Management Professional. Biography Roberta Gonzales is a member of the laboratory staff and currently supports the National Solar Thermal Test Facility (NSTTF) in financial matters such as proposals, procurements, NSTTF Utilization fee billing which includes O&M and Test Fee collection and reconcilement and preparation of financial reports. She also...

Robotic Vehicle Range (RVR)
Facility • The Water Power Technologies department leverages these capabilities in robotics to support wave energy converter (WEC) design and testing. Visit the Robotics website

Rodrigo Trevizan
Staff Page • Electrical Engineer. Biography Rodrigo D. Trevizan is a Senior Member of Technical Staff at Sandia National Laboratories. Rodrigo authored research papers on the subjects of control of energy storage systems and demand response for power grid stabilization, power system state estimation, and detection of nontechnical losses in distribution systems. Rodrigo...

Ronald C. Matthews Jr.
Staff Page • Senior Member of Technical Staff. Biography Ronald C. Matthews received his B.S. in Mathematics and M.S. in Mathematical Sciences from the University of West Florida in 2005 and 2007 respectively. He earned his M.S. and Ph.D. in Electrical Engineering from Michigan Technological University in 2012 and 2018 respectively. He joined...

Ross Guttromson
Staff Page • Principal Member of Technical Staff. Biography Ross Guttromson received his B.S.E.E. and M.S.E.E. degrees from Washington State University, and his Executive MBA degree from the University of Washington. Ross is Principal Researcher in the area of Electric Power Systems at Sandia National Laboratories with focus on transmission operations and planning....

Rotor Aerodynamic Design
Page • Rotor Aerodynamic Design Aerodynamic Design Overview Induced velocity in the rotor wake 0.1-3 diameters downstream of the rotor plane of the National Renewable Energy Laboratory 5MW wind turbine reference model, as predicted by a free-wake vortex method. Velocity vectors are projected in the planes shown. The aerodynamic design of a...

Rotor Blade Sensors and Instrumentation
Page • Rotor Blade Sensors and Instrumentation During a wind turbine’s operational lifetime, its rotor blades endure a wide variety of wind loading because the blades directly capture all of the force applied to the entire wind-turbine system. Sandia staff work on installation of blade instrumentation for research activities. A turbine’s exact...
Results 461–470 of 642