NDLI: Industry cooperates to advance IFE reactor design-the results of Prometheus

Content Provider	IEEE Xplore Digital Library
Author	Waganer, L.M.
Copyright Year	1993
Description	Author affiliation: McDonnell Douglas Corp., St. Louis, MO, USA (Waganer, L.M.)
Abstract	An industry team, led by McDonnell Douglas Aerospace, has developed two inertial fusion energy reactor plant designs that are predicted to compete favorably with other energy sources. Symmetrically illuminated, direct drive targets were chosen for the KrF laser driver for better gain at a lower cost. The 4 MJ pulse energy to the target is provided by 960 medium-sized (6 kJ) electric discharge lasers. This provides redundancy, system reliability, and stringent illumination requirements. Innovative non-linear optics (NLO) design for beam combination and pulse compression converts the beams into temporally-shaped, high quality beams. The 60 beamlines are shielded to minimize the radiation to the reactor and driver buildings. Long-lived, aluminum-coated, grazing incidence metal mirrors (GIMM), supported by SiC structure, are located within 20 meters of the center of the reactor cavity. These GIMMs and the final focusing mirrors are high-speed, adaptable structures that help steer the beams to the position of the tracked target. The second reactor design uses an innovative, lower-cost, pulsed, single beamline LINAC to deliver heavy ion beams into 14 storage rings. Tailoring of the beam storage, compression, and extraction from the storage rings provides the required temporal and energy shaping. The sets of beams are divided to illuminate the indirectly-driven target from two sides with 7 MJ of energy. The beams are focused to a point on the backside of the blanket where the beams are stripped to a high charge state. This enables formation of a small diameter transport channel through the blanket and across the cavity to the target. The first wall system for both designs uses a SiC structure cooled internally and on the surface with liquid lead. The lead is evaporated and recondensed on the surface to protect and cool the first wall from the 3 to 5 Hz target explosions. The blanket is a Li/sub 2/O solid breeder, cooled with low pressure helium. The two Prometheus IFE reactor designs show that IFE has the potential to be economically competitive with very attractive safety and environmental features while maintaining a high degree of technical credibility.
Starting Page	997
Ending Page	1000
File Size	536074
Page Count	4
File Format	PDF
ISBN	0780314123
DOI	10.1109/FUSION.1993.518492
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1993-10-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Inductors Laser beams Fusion reactor design Aerospace industry Nonlinear optics Optical pulse compression Mirrors Silicon carbide Storage rings Laser fusion
Content Type	Text
Resource Type	Article

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Parametric system studies for the Prometheus IFE reactor designs

Multi-MJ KrF laser driver for a 2050 IFE reactor

The Prometheus IFE reactor cavity

Design and analysis of the Prometheus wetted wall IFE reactor cavity

Design integration of Prometheus-H: a heavy ion inertial fusion energy reactor power plant

SOMBRERO-a solid breeder moving bed KrF laser driven IFE power reactor

Target chamber gas response and vaporization in a laser and a heavy ion beam IFE reactor

Research and development assessments for Prometheus heavy ion and laser driven inertial fusion energy reactor designs

The light ion LMF and its relevance to IFE

Industry cooperates to advance IFE reactor design-the results of Prometheus

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