Description
Fusion energy promises a transformative solution for global energy needs, yet critical technology gaps remain before commercial deployment is possible. Among these, the qualification of fusion blanket components, essential for tritium breeding and fuel self-sufficiency, remains at a low technology readiness level due to a lack of suitable test facilities. General Atomics is addressing this challenge with the development of a high field Blanket Component Test Facility (BCTF), designed to accelerate fusion technology maturation and complement international efforts.
The BCTF offers a unique, non-nuclear environment for testing meter-scale blanket components under engineering-relevant magnetic, thermal, and hydraulic conditions. Key capabilities include magnetic fields up to 8.5 Tesla, large experimental volumes 0.75 m3 (0.5 m x 1 m x 1.5 m), breeder loops operating at 300-700°C, and advanced heat rejection systems. This enables the systematic qualification of blanket designs, identification of failure modes, and validation of predictive models, all under prototypic conditions representative of future fusion reactors.
Leveraging infrastructure and expertise from General Atomics’ role in ITER central solenoid fabrication, specifically superconducting materials, cryogenic systems, and high-power supplies, the BCTF design aims to minimize cost and development time while maximizing impact. The facility is positioned to support diverse blanket concepts, including liquid metal breeders (Li, PbLi) and dual-cooled systems, and is adaptable to emerging research needs, such as hydrogen production simulants.
By bridging the gap between laboratory-scale experiments and plant-scale requirements, the BCTF will help raise blanket technologies readiness levels, supporting regulatory approval and enabling future fusion power plants. The initiative represents a strategic investment in U.S. fusion leadership, fostering collaboration across national and international programs, and accelerating the pathway to sustainable, carbon-free energy.
This work is supported by General Atomics corporate funding.