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Nuclear Fusion Energy Development

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Dr. Ruben Otin

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United Kingdom Atomic Energy Authority, Culham Science Centre, Abingdon OX14 3DB, UK
Interests: nuclear fusion; electromagnetics; computational physics; plasma physics

Special Issue Information

Dear Colleagues,

I would like to extend a warm invitation to all colleagues who would like to submit their research papers to the Special Issue of Energies on “Nuclear Fusion Energy Development”. This is a topical issue dedicated to showing recent advances in the development of nuclear fusion energy. Engineering and design of current and future devices faces several challenging tightly coupled multiphysics problems which require new tools and methods to solve. All types of research approaches are equally welcome, including experimental, theoretical, computational, and their mixtures; the papers are expected to show new solutions, design proposals or improvements to engineering problems for existent or future fusion devices. Problems that are expected to be treated in the articles are: thermal loads, neutronics, energy extraction, plasma-wall interaction, superconducting coils, plasma heating, RAMI studies, etc. This Special Issue is also open to fusion devices and systems beyond tokamaks and stellarators.

Dr. Ruben Otin
Guest Editor

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Keywords

nuclear fusion
thermal loads
superconducting coils
plasma–wall interaction
plasma heating
RAMI
computational physics
energy production
fusion devices

Published Papers (2 papers)

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Research

21 pages, 11908 KiB

Open AccessArticle

Heavy-Ion Fusion Reaction Calculations: Establishing the Theoretical Frameworks for ¹¹¹In Radionuclide over the Coupled Channel Model

by Zehra Merve Cinan, Burcu Erol, Taylan Baskan and Ahmet Hakan Yilmaz

Energies 2021, 14(24), 8594; https://doi.org/10.3390/en14248594 - 20 Dec 2021

Cited by 4 | Viewed by 2111

Abstract

In this work, the production of

I_{111} n

radionuclide has been investigated theoretically via heavy-ion fusion reactions of two stable nuclei:

C_{37} l + G_{74} e

M_{26} g + R_{85} b

, [...] Read more.

In this work, the production of

I_{111} n

radionuclide has been investigated theoretically via heavy-ion fusion reactions of two stable nuclei:

C_{37} l + G_{74} e

M_{26} g + R_{85} b

S_{30} i + B_{81} r

, and

C_{46} a + C_{65} u

reactions. Fusion cross-sections, barrier distributions, and potential energies on mutual orientations in the reactions planes of all reactions have been researched in detail around the barrier region via a coupled channel (CC) model using different codes. First of all, the most suitable codes and calculation parameter sets were determined through the

C_{37} l + G_{74} e

reaction, whose experimental data were available. The compatibility of the calculations via NRV knowledge base, CCFULL, CCDEF codes, and Wong’s formula with experimental data was analyzed. Barrier distributions and cross-sections for heavy-ion fusion reactions have been investigated with miscellaneous codes and vibrational-rotational nuclei combinations for interacting nuclei. Afterward, calculations were made with the determined parameter values for new reaction suggestions (

M_{26} g + R_{85} b

S_{30} i + B_{81} r

, and

C_{46} a + C_{65} u

reactions) and the results were compared. This study aims to suggest the new reaction combinations for the production of ¹¹¹In radionuclide, to explore the impacts of different calculation codes and nuclear parameter combinations on the heavy-ion fusion cross-sections and barrier distributions, to demonstrate that the results are reliable, and to emphasize the importance of developing these studies in the preparation of new experiments. Full article

(This article belongs to the Special Issue Nuclear Fusion Energy Development)

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14 pages, 4399 KiB

Open AccessArticle

Study on Multiphysics Coupling and Automatic Neutronic Optimization for Solid Tritium Breeding Blanket of Fusion Reactor

by Shen Qu, Qixiang Cao, Xuru Duan, Xueren Wang and Xiaoyu Wang

Energies 2021, 14(17), 5442; https://doi.org/10.3390/en14175442 - 01 Sep 2021

Cited by 6 | Viewed by 1537

Abstract

A tritium breeding blanket (TBB) is an essential component in a fusion reactor, which has functions of tritium breeding, energy generation and neutron shielding. Tritium breeding ratio (TBR) is a key parameter to evaluate whether the TBB could produce enough tritium to achieve tritium self-sufficiency (TBR > 1) for a fusion reactor. Current codes or software struggle to meet the requirements of high efficiency and high automation for neutronic optimization of the TBB. In this paper, the multiphysics coupling and automatic neutronic optimization method study for a solid breeder TBB is performed, and a corresponding code is developed. A typical module of China fusion engineering test reactor (CFETR) helium cooled ceramic breeder (HCCB) TBB was selected, and a 3D neutronics model of an initial scheme is developed. The automatic neutronic optimization was performed by using the developed code for verification. Results indicate that the TBR could increase from 1.219 to 1.282 (~5.17% improvement), and that the maximum temperature of each type of material in the optimized scheme is below the allowable temperature. It is of great scientific significance and engineering value to explore and study the algorithm for automatic neutronic optimization and the code development of the TBB. Full article

(This article belongs to the Special Issue Nuclear Fusion Energy Development)

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