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How nuclear fusion (maybe) works (4) - reactor practicalities

Discussion of practical elements of any future nuclear fusion power plant. This video is released under a Creative Commons licence. Contents 00:00 - Introduction 00:26 - Maintaining a vacuum 05:23 - Introduction 06:55 - Getting energy out 10:06 - Neutrons 13:51 - Neutron activation 19:00 - Tritium breeding 21:31 - Fission-fusion hybrid 22:12 - Neutron damage 27:43 - Long-term prospects 29:01 - Summary References [1] Welcome to Planet ITER: a technical tour of the worksite by iterorganization    • Welcome to Planet ITER: a technical t...   [2] M. Reinhart et al., “Latest results of Eurofusion plasma-facing components research in the areas of power loading, material erosion and fuel retention”, Nuclear Fusion 62, 042013 (2022). [3] ITER Cryopump https://www.iter.org/newsline/-/2721 [4] The first high-speed colour video from the COMPASS tokamak    • The first high-speed colour video fro...   [5] Aerial photo of Culham Science Centre, UK Atomic Energy Authority, https://ccfe.ukaea.uk/about-ccfe/hist... [6] ITER view, ITER Organization/EJF Riche https://www.iter.org/org/ITERinFrance [7] National Ignition Facility's target chamber https://commons.wikimedia.org/wiki/Fi... [8] S. Das, “Recent advances in characterising irradiation damage in tungsten for fusion power” SN Applied Sciences 1, 1614 (2019). [9] K. Niu, “Nuclear Fusion”, (CUP 1989). ISBN: 978-0-521-11354-0 [10] B. Labit et al., “Experimental studies of the snowflake divertor in TCV” Nuclear Materials and Energy 12, 1015 (2017). [11] Nuclear power plant in Cattenom, France (User: Stefan Kühn) https://commons.wikimedia.org/wiki/Fi... [12] Advanced Test Reactor by Argonne National Laboratory, https://commons.wikimedia.org/wiki/Fi... [13] J. E. Menard et al. “Fusion nuclear science facilities and pilot plants based on the spherical tokamak”, Nuclear Fusion 56, 106023 (2016). [14] Carbon fiber laminated sheet (User: Racingjeff) https://commons.wikimedia.org/wiki/Fi... [15] Raíl de ferrocarril en Roma, Gotland (User: Bene Riobó) https://commons.wikimedia.org/wiki/Fi... [16] S. M. Gonzalez de Vicente et al., “Overview on the management of radioactive waste from fusion facilities: ITER, demonstration machines and power plants” Nuclear Fusion 62, 085001 (2022). [17] Core of the BR2 reactor by Dmitry Terentyev (SCK CEN: Belgian Nuclear Research Centre) https://www.iaea.org/newscenter/news/... [18] ITER Assembly - In-Vessel components by iterorganization    • ITER Assembly - In-Vessel components   [19] Remote handling work inside the JET Tokamak by EUROfusion [20] X. Hu et al., “Transmutation-induced Precipitation in Tungsten Irradiated with A Mixed Energy Neutron Spectrum” Acta Materialia 165, 51 (2019). [21] M. Rubel et al., “Application of Ion Beam Analysis in Studies of First Wall Materials in Controlled Fusion Devices” Physics 4, 37 (2022). [22] Side view of a rack of billiards balls being broken (User: MarkBuckawicki) https://commons.wikimedia.org/wiki/Fi... [23] L. L Snead et al., “Irradiation Effects on Dielectric Mirrors in Inertial Fusion Power Reactor Application”, Fusion Science and Technology, 56, 1069 (2009). [24] B. I. Khripunov et al., “Thermonuclear Fusion Reactor Plasma-Facing Materials under Conditions of Ion Irradiation and Plasma Flux”, Symmetry 13, 2081 (2021). [25] J. Chen et al., “Study on microstructural evolution and constitutive modeling for hot deformation behavior of a low-carbon RAFM steel”, Journal of the Material Research Society 32, 1376 (2017). [26] Roman Husák et al., “ODS EUROFER Steel Strengthened by Y-(Ce, Hf, La, Sc, and Zr) Complex Oxides”, Metals 9, 1148 (2019). [27] IFMIF/EVEDA Website, https://www.ifmif.org/gallery/ [28] https://www.statista.com/ [29] Physics of Uranium and Nuclear Energy, https://world-nuclear.org/information...