News Article, October 5, 2026 • Computer-aided design model of Sandia's heat exchanger test stand. The National Solar Thermal Test Facility recently hosted Dimitri Madden of Sandia National Laboratories for its latest Concentrating Solar Thermal Power Seminar. Madden presented “Advanced Heat Exchanger Demonstrations for High-Temperature Energy Systems,” showcasing Sandia’s high-temperature heat exchanger test facility. The facility...