Abstract
In this paper, I consider the motivations, recent results and perspectives for the inertial confinement fusion (ICF) studies in Europe. The European approach is based on the direct drive scheme with a preference for the central ignition boosted by a strong shock. Compared to other schemes, shock ignition offers a higher gain needed for the design of a future commercial reactor and relatively simple and technological targets, but implies a more complicated physics of laser–target interaction, energy transport and ignition. European scientists are studying physics issues of shock ignition schemes related to the target design, laser plasma interaction and implosion by the code developments and conducting experiments in collaboration with US and Japanese physicists, providing access to their installations Omega and Gekko XII. The ICF research in Europe can be further developed only if European scientists acquire their own academic laser research facility specifically dedicated to controlled fusion energy and going beyond ignition to the physical, technical, technological and operational problems related to the future fusion power plant. Recent results show significant progress in our understanding and simulation capabilities of the laser plasma interaction and implosion physics and in our understanding of material behaviour under strong mechanical, thermal and radiation loads. In addition, growing awareness of environmental issues has attracted more public attention to this problem and commissioning at ELI Beamlines the first high-energy laser facility with a high repetition rate opens the opportunity for qualitatively innovative experiments. These achievements are building elements for a new international project for inertial fusion energy in Europe.This article is part of a discussion meeting issue ‘Prospects for high gain inertial fusion energy (part 1)’.
Highlights
Sustainable production of large amounts of energy at affordable prices and with a limited effect on the environment is a challenging and unresolved problem
Nuclear fission is a viable method of massive energy production, but its attractiveness is significantly undermined by the unresolved problems of treatment of radioactive waste, of danger in operating nuclear reactors in near-critical conditions and the high risk of uncontrolled proliferation of nuclear weapons
While the fission energy technology has been developed very fast in the 1950s–1960s, the fusion energy has remained at a research level for more than 50 years and prospects for the construction of a commercial fusion reactor and reliable energy production are still undefined
Summary
Sustainable production of large amounts of energy at affordable prices and with a limited effect on the environment is a challenging and unresolved problem. Nuclear fission is a viable method of massive energy production, but its attractiveness is significantly undermined by the unresolved problems of treatment of radioactive waste, of danger in operating nuclear reactors in near-critical conditions and the high risk of uncontrolled proliferation of nuclear weapons. Nuclear fusion presents evident advantages in all these issues: it does not produce highly radioactive long-living elements but on the contrary, may incinerate them with energetic neutrons. It is intrinsically stable and the only dangerous element— tritium—can be produced and consumed in place. I consider the progress and difficulties of inertial fusion research in Europe and opportunities that could be realized in fusion science and technology in the near future
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