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A promising approach to safe, proliferation resistant production of nuclear power 这是一种安全、防扩散的核能生产方法
Pub Date : 2009-08-14 DOI: 10.1504/AFP.2009.027868
T. Kammash
With the world population reaching about 10 billion by mid-century, the requirement for carbon-free energy (estimated at 30 terawatts) to meet global needs will indeed be daunting. A sizable portion of this power is expected to come from nuclear sources fuelled by fission and/or fusion breeding. Although a great international effort is currently underway aimed at producing pure fusion power, the fact remains that such reactors will initially be characterised by a rather modest gain factor, 'Q' (the ratio of fusion power to injected power), putting in question their economic viability and potential impact on the energy crisis. It is well known, nevertheless, that fusion reactions are neutron rich and energy poor, while fission reactions are energy rich but neutron poor. As a result, it has occurred to many researchers over the past several decades that a fusion hybrid in which fusion neutrons are used to breed fissile material, thereby serving as a 'fusion fuel factory', might very well address the impending energy shortage. In this paper, we take a somewhat different approach. We propose a system in which the fusion neutrons from a fusion reactor operating at Q-value slightly larger than unity are used to drive an energy-producing blanket in which uranium-233 fissile material is bred from thorium-232 and simultaneously burned to produce energy. It will be a steady-state operating system with no criticality invoked, thus providing a measure of safety as well as potential elimination of proliferation hazards.
到本世纪中叶,世界人口将达到100亿左右,为满足全球需求,对无碳能源(估计为30太瓦)的需求确实令人生畏。这一电力的相当大一部分预计来自核裂变和/或核聚变育种的核源。尽管目前国际上正在进行巨大的努力,旨在生产纯核聚变能源,但事实仍然是,这种反应堆最初的特点是一个相当适度的增益因子,“Q”(核聚变功率与注入功率的比率),使其经济可行性和对能源危机的潜在影响受到质疑。然而,众所周知,聚变反应是中子丰富而能量贫乏的,而裂变反应是能量丰富而中子贫乏的。因此,在过去的几十年里,许多研究人员想到,用聚变中子培育可裂变材料,从而作为“聚变燃料工厂”的聚变混合反应堆,可能很好地解决即将到来的能源短缺问题。在本文中,我们采取了一种不同的方法。我们提出了一个系统,在这个系统中,来自一个运行在q值略大于1的聚变反应堆的聚变中子被用来驱动一个能量产生毯,在这个能量产生毯中,铀-233可裂变材料从钍-232中繁殖出来,同时燃烧以产生能量。它将是一个稳态操作系统,不会触发临界状态,从而提供一种安全措施,并潜在地消除扩散危险。
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引用次数: 2
Value addition in diamonds and other gemstones by nuclear radiation: the phobias and safety considerations 钻石和其他宝石受核辐射的增值:恐惧和安全考虑
Pub Date : 2009-08-14 DOI: 10.1504/AFP.2009.027872
S. Ahmed
Four Cs, namely colour, clarity, carat (weight) and cut, primarily determine the price of a gem. Neutron irradiation, gamma rays and electron beams can be used to enhance the colour and clarity of aquamarine, quartz, tourmaline, kunzite, topaz, pearls and, most importantly, diamonds. Imparting colour and clarity to these gems that are otherwise devoid of these attributes results in significant value addition. The enhanced gems may possess stable or unstable colours, depending on the nature of the colour centre produced. This paper reviews the processes of enhancement of topaz and diamonds with a special emphasis on neutron irradiation. In view of the radioactivity generated as a result of exposure to neutrons and the likelihood of undue exposure to radioactive gems, the safety aspects are discussed. From the commercial viewpoint, the aspect of detection of treated materials has been documented. A related technique, the process of enhancement of gems by gamma rays, has been described. The enhancement of gems by radiation (in synergy with heat) is a commercially viable technique and constitutes a peaceful application of nuclear technology. It has potential and future prospects in Gulf Cooperation Council (GCC) member states.
4c,即颜色、净度、克拉(重量)和切工,主要决定了宝石的价格。中子辐照、伽马射线和电子束可用于提高海蓝宝石、石英、碧玺、昆锌矿、黄玉、珍珠以及最重要的钻石的颜色和净度。赋予这些宝石颜色和净度,否则它们就没有这些属性,从而产生显著的增值。增强宝石可能具有稳定或不稳定的颜色,这取决于所产生的色心的性质。本文综述了黄玉和钻石的强化工艺,重点介绍了中子辐照。鉴于暴露于中子所产生的放射性和不适当暴露于放射性宝石的可能性,讨论了安全方面的问题。从商业角度来看,处理过的材料的检测方面已被记录。一个相关的技术,通过伽马射线增强宝石的过程,已经被描述。通过辐射(与热协同作用)增强宝石是一种商业上可行的技术,是核技术的和平应用。它在海湾合作委员会成员国中具有潜力和前景。
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引用次数: 2
Nano-to-macro scale engineering applications of nuclear technology: an overview 纳米到宏观尺度的核技术工程应用综述
Pub Date : 2009-08-14 DOI: 10.1504/AFP.2009.027870
R. Taleyarkhan
Nuclear science and technology offers the capability for radical industrial innovations from the nano-to-macro scales and is a field that already impacts over $600 billion in annual worldwide activity. The areas impacted are as diverse as medicine, industrial process control, energy, explosives, materials processing, agriculture, food preservation, sterilisation and non-destructive interrogation for the molecular structure of compounds to use as tracers for transport and the tracking of fluids. This paper focuses on novel nano-to-macro scale peaceful applications for the oil-gas industry, for the metals industries, for enabling fundamental advances in boiling heat transfer and for induction of super compression in imploding bubbles, to then lead to thermonuclear fusion and energy amplifications of 106 times greater than chemical sources, to generation of nanopores in materials that may see applications such as for high-efficiency membranes for use in batteries and for dialysis and to the development of a novel class of low cost, multidisciplinary, fundamental particle detection systems.
核科学技术为从纳米到宏观尺度的激进工业创新提供了能力,是一个每年影响全球活动超过6000亿美元的领域。受影响的领域多种多样,包括医药、工业过程控制、能源、炸药、材料加工、农业、食品保存、灭菌以及用于运输和跟踪液体的示踪剂的化合物分子结构的无损检测。本文的重点是新的纳米到宏观尺度的和平应用,用于石油天然气工业,金属工业,使沸腾传热和诱导内爆气泡超压缩的基本进展,然后导致热核融合和比化学源大106倍的能量放大。在材料中产生纳米孔,可以应用于电池和透析中使用的高效膜,以及开发一类新型低成本,多学科,基本粒子检测系统。
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引用次数: 1
The global energy challenges of the 21st century and the potential Russian contribution to world and regional nuclear power 21世纪的全球能源挑战以及俄罗斯对世界和地区核电的潜在贡献
Pub Date : 2009-07-17 DOI: 10.1504/AFP.2009.027159
A. Gagarinski
The paper considers the world energy demand until the middle of the 21st century, as well as the possible solutions for this challenge. On the basis of the mathematical model developed at the Kurchatov Institute in 2003-2005, the vision of the global nuclear energy system and its potential contribution to the energy mix was analysed. The energy mix picture by mid-century would contain an 'unsatisfied demand' area (i.e., resources that should be used to meet the projected energy demand). Thus, the global energy challenges of the 21st century energy supply do not impose any upper limit on nuclear energy development, the scale of which would be determined by development opportunities. The key nuclear energy requirements, including the fuel supply, the need for innovative technologies and the extension of application spheres, are determined by the scale of its use. Being one of the founders of the First Nuclear Era, Russia has a unique experience in solving the key nuclear energy problems of the 20th century and is capable of making a worthy contribution to the challenges faced in the 21st century.
本文考虑了到21世纪中叶的世界能源需求,以及应对这一挑战的可能解决方案。在库尔恰托夫研究所2003-2005年开发的数学模型的基础上,分析了全球核能系统的前景及其对能源结构的潜在贡献。到本世纪中叶的能源结构图将包含一个“未满足的需求”区域(即应用于满足预计能源需求的资源)。因此,21世纪全球能源供应的挑战对核能的发展没有上限,核能的发展规模取决于发展机遇。关键的核能需求,包括燃料供应、创新技术的需要和应用领域的扩大,是由核能的使用规模决定的。作为第一个核时代的奠基者之一,俄罗斯在解决20世纪的关键核能问题方面有着独特的经验,有能力为21世纪面临的挑战做出有价值的贡献。
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引用次数: 0
From economic theories to pollution permits 从经济理论到污染许可
Pub Date : 2009-07-17 DOI: 10.1504/AFP.2009.027162
R. Duff
Permits to pollute have occupied too large a place in negotiations. Their originality has made it possible, sometimes without limit, to mobilise new theories maladapted to the problem, as their goal was elsewhere; the complexity of implementation they presuppose has mobilised much energy, the long-term consequences are unpredictable, focusing solely on the economic aspect of the problems, and they obscure the heart of the questions, which is perhaps to invent an ethic constrained by economics rather than satisfying oneself with an economy under a vague ethical constraint.
污染许可在谈判中占据了太大的位置。它们的独创性使得有可能(有时是无限制地)动员不适应问题的新理论,因为它们的目标在别处;他们所假定的实施的复杂性调动了大量的精力,长期后果是不可预测的,只关注问题的经济方面,他们模糊了问题的核心,这可能是发明一种受经济约束的伦理,而不是满足于在模糊的道德约束下的经济。
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引用次数: 0
Sustainable development and permits to pollute – an impossible combination 可持续发展和污染许可——一个不可能的组合
Pub Date : 2009-07-17 DOI: 10.1504/AFP.2009.027164
A. Maisseu
The world economy is experiencing the turbulence of the end of a long wave of development or the Kondratieff cycle that precedes its entry into the new cycle, on which the 21st century will leave its mark. A technical system is drawing to a close – that of the 20th century characterised by a monetary, fiscal, political, epidemiological, economic, cultural, scientific, organisational, etc., order – which shaped its functioning and evolution around a rationale of the overexploitation of natural resources. We must shift as rapidly as possible from this economic rationale founded on the unrestrained pillage of natural resources to an economic rationale founded on the deployment of human skills. We need to move from a rationale promoting the accumulation of short-term profit to a policy that is careful to conserve our long-term interests. We need to transfer to an economic rationale restricting the application of the 'sacrosanct laws of the free market' solely to the outputs of acts of production, of which neither energy nor knowledge are part. We must move to an economic rationale prioritising the negentropic balance sheet of the cycle of production/consumption over the financial balance sheet.
世界经济正在经历康德拉季耶夫周期(Kondratieff cycle)结束后的动荡,进入21世纪将留下印记的新周期。以货币、财政、政治、流行病学、经济、文化、科学、组织等秩序为特征的20世纪的技术体系正在接近尾声,这些秩序围绕着过度开发自然资源的基本原理塑造了其功能和演变。我们必须尽快从这种建立在无限制掠夺自然资源基础上的经济理论转向建立在调动人类技能基础上的经济理论。我们需要从促进短期利润积累的理论基础转向谨慎保护我们长期利益的政策。我们需要转向一种经济理论,将“自由市场神圣不可侵犯的法则”的应用限制在生产行为的产出上,而能源和知识都不是生产行为的一部分。我们必须转向一种经济原理,将生产/消费周期的负熵资产负债表置于金融资产负债表之上。
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引用次数: 0
Three bridges to a world energy future – nuclear, coal and oil 通往世界能源未来的三座桥梁——核能、煤炭和石油
Pub Date : 2009-07-17 DOI: 10.1504/AFP.2009.027160
H. Inhaber
'Bridge to the future' is a phrase that is often used in discussing the energy and power needs decades ahead. Some advocates suggest that renewables such as solar and wind are that bridge to a time when the planet will use less energy overall and with fewer environmental consequences. Others have proposed conservation, either voluntary or imposed by governments. Based on present knowledge, it is unlikely that such panaceas will contribute more than a small fraction of the energy needs of the mid- or late 21st century. Rather, the bridge to the future will almost certainly be made of three major components – nuclear, oil and coal – in proportions yet to be determined. Based on previous attempts, one major conclusion can be drawn: the changes in energy supply move more slowly than the public believes. Each month, the public is told about new and allegedly better sources of energy or more efficient ways to use energy. These may include hybrid automobiles, all-electric vehicles, power from the ocean, heat from burning kelp and so on. But energy sources change much more slowly than the public anticipates. For example, the only major new source of energy in the last half century has been nuclear. Power from coal and oil has, of course, been around much longer than that. The public wants reliability and reasonably low costs for its power and electricity supply. The first requirement casts a shadow on many renewables.
“通往未来的桥梁”是一个经常用于讨论未来几十年能源和电力需求的短语。一些支持者认为,太阳能和风能等可再生能源是通往未来的桥梁,届时地球将使用更少的能源,并减少对环境的影响。另一些人则提出了自愿或政府强制的保护措施。根据目前的知识,这些灵丹妙药对21世纪中后期能源需求的贡献不大可能超过一小部分。相反,通往未来的桥梁几乎肯定将由三个主要组成部分构成——核能、石油和煤炭——其比例尚未确定。基于以前的尝试,可以得出一个主要结论:能源供应的变化比公众认为的要慢。每个月,公众都会被告知新的、据称更好的能源或更有效的能源使用方式。这些可能包括混合动力汽车、全电动汽车、来自海洋的电力、来自燃烧海带的热量等等。但是能源的变化比公众预期的要慢得多。例如,在过去的半个世纪里,唯一主要的新能源是核能。当然,煤炭和石油发电的历史要长得多。公众希望电力供应的可靠性和合理的低成本。第一个要求给许多可再生能源蒙上了阴影。
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引用次数: 1
Atoms for peace 原子用于和平
Pub Date : 2009-07-17 DOI: 10.1504/AFP.2009.027165
M. Aparo
This overview paper outlines the global energy imbalance. The IEA has also said that the increased use of nuclear power would help meet the increase in energy demand, enhance the security of energy supply and mitigate carbon emissions. Nuclear energy alone is not a panacea, but it is likely in the near future to have an increasing role as part of the global energy mix. The global status of nuclear power, reasons for renewed interest in it and public perceptions of it are briefly considered.
本文概述了全球能源失衡。国际能源机构还表示,增加核能的使用将有助于满足不断增长的能源需求,增强能源供应的安全性,并减少碳排放。核能本身并不是万灵药,但在不久的将来,它很可能在全球能源结构中扮演越来越重要的角色。简要考虑了核能的全球地位、重新引起兴趣的原因以及公众对它的看法。
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引用次数: 0
How hot? 'Real hot': can we control North Korean nuclear weapons through the applicable international law? Hints from the International Court of Justice's advisory opinion 有多热?“真正的热点”:能否通过适用的国际法控制北韩核武器?来自国际法院咨询意见的暗示
Pub Date : 2009-07-17 DOI: 10.1504/AFP.2009.027161
H. Han, Jongho Kim
Many nations now regularly try to talk to reduce all forms of nuclear weapons, perform once sacrosanct diplomatic tasks such as six-party talks and even military attacks are undertaken. Despite the magnitude of these actions, however, international law scholars have not yet focused sufficiently on the North Korean nuclear weapon crisis in a comprehensive manner. In considering this situation, this article explores the possibility of whether the applicable international law can control North Korean nuclear weapons. Specifically, we explore lessons from the International Court of Justice's (ICJ) advisory opinion. We argue that the North Korean nuclear weapon situation must be resolved smoothly based on international law dogma. Applying this traditional principle to this hot issue, we seek to open a dialogue between international law scholars and world political and military leaders.
许多国家现在经常试图通过谈判减少各种形式的核武器,执行曾经神圣不可侵犯的外交任务,如六方会谈,甚至进行军事攻击。然而,尽管这些行动规模巨大,但国际法学者对北韩核危机的关注还不够全面。在这种情况下,本文探讨了适用的国际法是否能够控制北韩核武器的可能性。具体而言,我们探讨了国际法院咨询意见的教训。我们认为,北韩核问题必须根据国际法原则顺利解决。将这一传统原则应用于这一热点问题,我们寻求在国际法学者与世界政治和军事领导人之间展开对话。
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引用次数: 0
On nuclear training and education prospering from the EURATOM Treaty 《欧洲原子能共同体条约》促进了核培训和教育的繁荣
Pub Date : 2009-07-17 DOI: 10.1504/AFP.2009.027163
G. Maenhout, P. Daures, W. Janssens, U. V. Estorff, A. F. Carretero
This paper describes the past and present status of nuclear (safeguards) education and training activities undertaken jointly in the European Commission's Research Centre. Starting from the original training requests formulated in the EURATOM Treaty, it is explained how the Joint Nuclear Research Centre (JRC) originally started to develop nuclear courses. Whereas nuclear safety is a national issue, safeguards are a supranational one. The JRC contributed to nuclear safety training seminars in collaboration with national organisms while providing its major expertise on reactor design safety and nuclear fuel safety. Contrary to the national training and education on nuclear safety, safeguards training remained a niche for the JRC in Europe and even with limited competition worldwide. The JRC has more than 30 years of experience in providing nuclear safeguards courses to inspectors. Moreover, the lack of safeguards in the academic curriculum of nuclear students has recently been tackled by the European Safeguards Research and Development Association (ESARDA) and filled with a course hosted at the JRC. Fostering a twofold technical-juridical education in the European Union (EU) is compliant with one of the original roles of the JRC described in the EURATOM Treaty and fits with the current view of the International Atomic Energy Agency (IAEA).
本文叙述了欧洲委员会研究中心联合开展的核(保障)教育和培训活动的过去和现在的状况。从欧洲原子能共同体条约中制定的原始培训要求开始,解释了联合核研究中心(JRC)最初如何开始开发核课程。核安全是一个国家问题,而保障措施则是一个超国家问题。联合研究中心与国家机构合作,为核安全培训研讨会作出贡献,同时提供其在反应堆设计安全和核燃料安全方面的主要专门知识。与核安全方面的国家培训和教育相反,保障培训仍然是联合研究委员会在欧洲的一个小众项目,甚至在世界范围内竞争也很有限。联合研究中心在向视察员提供核保障课程方面有30多年的经验。此外,欧洲安全保障研究与发展协会(ESARDA)最近解决了核学生学术课程中缺乏保障的问题,并在联合研究中心举办了一门课程。在欧洲联盟(欧盟)促进双重技术-法律教育符合《欧洲原子能共同体条约》所描述的联合研究中心的最初作用之一,也符合国际原子能机构(原子能机构)目前的看法。
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引用次数: 1
期刊
Atoms for Peace: An International Journal
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