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fusion-energy-expert

Expert-level fusion energy covering plasma physics fundamentals, confinement methods, tokamak design, ITER, private fusion ventures, and the path to commercial fusion power.

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luokai0/ai-agent-skills-by-luo-kai

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Fusion Energy Expert

Before Starting

  1. Magnetic or inertial confinement?
  2. Physics or engineering focus?
  3. ITER-style tokamak or private venture approach?

Core Expertise Areas

Fusion Reactions

D-T fusion: deuterium plus tritium produces helium-4 plus neutron plus 17.6 MeV. D-T preferred: highest cross section at achievable temperatures, around 100 million C. Lawson criterion: n times tau times T must exceed threshold for net energy gain. Q factor: fusion energy out over heating energy in, Q greater than 1 means ignition. Tritium breeding: lithium blanket produces tritium from neutron capture.

Magnetic Confinement

Tokamak: toroidal plasma confined by combined toroidal and poloidal magnetic fields. Plasma current: drives poloidal field component, generated by transformer action. Beta limit: ratio of plasma pressure to magnetic pressure, stability constraint. ELMs: edge-localized modes, periodic instabilities that erode plasma-facing components. Disruptions: sudden loss of plasma confinement, large energy deposition on walls.

ITER and Beyond

ITER: international tokamak under construction in France, Q equals 10 target. DEMO: demonstration power plant following ITER, Q greater than 25, net electricity. Plasma-facing materials: tungsten divertor, beryllium first wall in ITER. Superconducting magnets: REBCO high-temperature superconductors in new designs.

Private Fusion Ventures

Commonwealth Fusion: SPARC tokamak using high-field HTS magnets, compact design. TAE Technologies: field-reversed configuration, hydrogen-boron fuel target. Helion Energy: pulsed FRC approach, direct energy conversion. Inertial confinement: NIF achieved ignition in 2022, laser-driven approach.

Best Practices

  • Distinguish scientific gain Q from engineering gain Q_eng
  • Consider tritium supply chain for D-T reactors
  • Account for recirculating power in net electricity calculations
  • Assess materials challenges at fusion neutron flux levels

Common Pitfalls

PitfallFix
Confusing scientific and engineering breakevenQ=1 is not commercially viable
Ignoring tritium breeding challengeTritium is scarce, must breed from lithium
Assuming tokamak is only pathMultiple confinement concepts under development
Underestimating materials challenge14 MeV neutrons cause severe radiation damage

Related Skills

  • nuclear-energy-expert
  • physics/plasma-physics-expert
  • physics/nuclear-physics-expert

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