核子燃烧行波的牛顿第二定律类比

IF 0.9 Q3 NUCLEAR SCIENCE & TECHNOLOGY EPJ Nuclear Sciences & Technologies Pub Date : 2020-01-01 DOI:10.1051/epjn/2020012
V. Urbanevych, I. Sharph, V. Tarasov, V. Rusov
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引用次数: 1

摘要

我们考虑一个中子-核波燃烧模型。介质核燃烧的行波是由外部中子源引发的,是新一代反应堆即所谓的“行波堆”的基础。我们发展了一个核行波燃烧的模型,它可以用牛顿第二定律来类比机械耗散系统。在这个类比的基础上,我们发现波速具有如下的连续谱界。在新模型的框架内,我们证明了自动波仅对某些中子能量是可能的。我们还发现,根据控制参数的不同,有两种燃烧模式:一种是自行波,另一种是由外部中子源驱动的波。
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Newton’s second law analogy for the traveling wave of nuclear burning
We consider a model of neutron-nuclear wave burning. The traveling wave of nuclear burning of the medium is initiated by an external neutron source and is the basis for the new generation reactors the so-called “traveling-wave reactors”. We develop a model of nuclear traveling wave burning, for which it is possible to draw a Newton’s second law analogy with a mechanical dissipative system. On the basis of this analogy, we find that the wave velocity has a continuous spectrum bounded below. Within the framework of the new model, we show the autowave to be possible for certain neutron energies only. Also we find that two burning modes are possible depending on the control parameters: a traveling autowave and a wave driven by an external neutron source.
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来源期刊
EPJ Nuclear Sciences & Technologies
EPJ Nuclear Sciences & Technologies NUCLEAR SCIENCE & TECHNOLOGY-
CiteScore
1.00
自引率
20.00%
发文量
18
审稿时长
10 weeks
期刊最新文献
Technical note: stable and unstable reactors Templates of expected measurement uncertainties for neutron-induced capture and charged-particle production cross section observables Templates of expected measurement uncertainties for (n, xn) cross sections Templates of expected measurement uncertainties for total neutron cross-section observables Templates of expected measurement uncertainties for prompt fission neutron spectra
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