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题名Hypothesis-testing combined with image analysis to quantify evolution of bubble swarms in a direct-contact boiling heat transfer process
作者
发表日期2017
发表期刊Applied Thermal Engineering
ISSN/eISSN1359-4311
卷号113页码:851-857
摘要

The technology of image enhancement has been proved to be very effective and powerful in the quantification of bubbling regime, heat transfer performance and mixing efficiency in a direct contact boiling heat transfer process. In the present work, this image analysis technique was combined with some statistical hypothesis-testing tools including Kolmogorov-Smirnov test and chi-square test in order to compute the p-values for bubble images comparison. It was indicated that the employed hypothesis-testing tools are effective in testing whether the every two bubble images gray distribution have the same or close gray distribution. Specially, the different experimental cases with the same Betti numbers can be identified by using our methods. p-value represents a meaningful parameter to study the mixing transient. Testing statistics can be used to quantify evolution of bubble swarms in direct-contact boiling heat transfer process. Results obtained from the real experiment indicate that the inflection point of observed values of testing statistics is roughly equal to mixing time, which is the main merit of the employed tools. © 2016 Elsevier Ltd

关键词Bubble swarm patterns Direct-contact heat transfer Hypothesis-testing Image comparison
DOI10.1016/j.applthermaleng.2016.11.004
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收录类别SCIE
语种英语English
WOS研究方向Thermodynamics ; Energy & Fuels ; Engineering ; Mechanics
WOS类目Thermodynamics ; Energy & Fuels ; Engineering, Mechanical ; Mechanics
WOS记录号WOS:000394723300080
引用统计
被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://repository.uic.edu.cn/handle/39GCC9TT/5048
专题个人在本单位外知识产出
作者单位
1.State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology, Kunming, 650093, China
2.Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming, 650093, China
3.School of Mathematics, The University of Manchester, Manchester, M13 9PL, United Kingdom
4.Institute of Quality Development, Kunming University of Science and Technology, Kunming, 650093, China
5.Department of Computer Science, University College LondonLondon WC1E 6EA, United Kingdom
推荐引用方式
GB/T 7714
Xiao, Qing-tai,Pan, Jianxin,Xu, Jian-xinet al. Hypothesis-testing combined with image analysis to quantify evolution of bubble swarms in a direct-contact boiling heat transfer process[J]. Applied Thermal Engineering, 2017, 113: 851-857.
APA Xiao, Qing-tai, Pan, Jianxin, Xu, Jian-xin, Wang, Hua, & Lv, Zhi-han. (2017). Hypothesis-testing combined with image analysis to quantify evolution of bubble swarms in a direct-contact boiling heat transfer process. Applied Thermal Engineering, 113, 851-857.
MLA Xiao, Qing-tai,et al."Hypothesis-testing combined with image analysis to quantify evolution of bubble swarms in a direct-contact boiling heat transfer process". Applied Thermal Engineering 113(2017): 851-857.
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