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Application of fuzzy nearness method in the selection of heat transfer relationship of supercritical water reactor
- NUCLEAR TECHNIQUES Vol. 40, Issue 12, Article number: 120604(2017)
- 作者机构：
1.华北电力大学 核科学与工程学院 北京 102206
2.华北电力大学 核热工安全与标准化研究所 北京 102206
3.华北电力大学 非能动核能安全技术北京市重点实验室 北京 102206
4.中国核工业集团公司核反应堆热工水力技术重点实验室 成都 610041
- 作者简介：
- 基金信息：the Key Laboratory of Thermal Nuclear Hydraulic Technology for Nuclear Reactors;the National Marine Major Project
DOI：10.11889/j.0253-3219.2017.hjs.40.120604
CLC： TL339Received：24 February 2017，
Revised：25 May 2017，
Published：10 December 2017
- 稿件说明：
移动端阅览
Tao ZHOU, Bing LI, Shi QI, et al. Application of fuzzy nearness method in the selection of heat transfer relationship of supercritical water reactor[J]. Nuclear techniques, 2017, 40(12): 120604
Tao ZHOU, Bing LI, Shi QI, et al. Application of fuzzy nearness method in the selection of heat transfer relationship of supercritical water reactor[J]. Nuclear techniques, 2017, 40(12): 120604 DOI： 10.11889/j.0253-3219.2017.hjs.40.120604.
摘要
以超临界水堆换热关系式为基础，利用模糊数学中贴近度的概念，并引入变异系数法确定各影响因素的权重。比较了确定工况与各经验公式适用范围的贴近程度，获得了该工况下最为适用的经验关系式。结果表明，采用Hamming贴近度、Euclid贴近度及最大最小贴近度等三种方法的计算结果基本一致，模糊数学中贴近度的应用，为超临界水堆的流动换热问题提供了一种可以在已知关系式的基础上，做出针对特定工况的最优关联式选择方法，使计算结果更加精确。
Abstract
Background
2
Supercritical water-cooled reactor (SCWR) is the only water-cooled reactor among the fourth generation reactors. And its thermal hydraulic process is the key to the study of SCWR
which is directly related to the safety and economy of the reactor.
Purpose
2
The degree of closeness between the determined working condition and the applicable range of empirical formula is compared to get the most suitable empirical relation.
Methods
2
Based on the concept of closeness degree in fuzzy mathematics
the coefficient of variation method is used to determine the weight of each factor.
Results
2
The calculation results by Hamming closeness degree
Euclid closeness degree and maximum minimum closeness degree are basically the same.
Conclusion
2
For the problem of flow and heat transfer of supercritical water reactor
a kind of optimal correlation selection method is proposed based on the known correlation.
关键词
Keywords
references
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