The Advanced Thermal Hydraulic Research Laboratory (ATHRL) is dedicated to investigating fundamental properties in multi-phase fluid flow and heat transfer. It currently houses the Multi-Application Small Light Water Reactor (MASLWR)

ATHRL Test Capabilities
• Meets NQA-1 and NQA-2 quality assurance for certification testing
• Meets 10 CFR 50 Appendix B quality assurance for instrumentation calibration
• Advanced analytical capability for 3-D fluid flow and heat transfer computer code
• Multi-phase fluid flow and heat transfer measurements for process diagnostics
• Integral system two-phase flow experiments