Experimental Investigations Of Deterministic Chaos Appearance In Bubbling Flow

Kang-Hsien Weng; Chang-Da Wen

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Experimental Investigations Of Deterministic Chaos Appearance In Bubbling Flow

机译：确定性气泡流中混沌现象的实验研究

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Experiments were first conducted to measure the spectral intensity values under an open-air heating system and a high-vacuum heating system. Eight emissivity models were used to examine the multispectral radiation thermometry (MRT) in order to understand the effect of surface oxidation on temperature determination and find the best MRT emissivity model as well. Emissivity spectra are found similar in shape but not in magnitude under oxidized and unoxidized conditions. Surface oxidation causes the increase in emissivity and the difference at varied temperatures. Overall, one model shows the highest accuracy in temperature prediction for oxidized and unoxidized aluminum alloys.

机译：首先进行实验以测量露天加热系统和高真空加热系统下的光谱强度值。为了了解表面氧化对温度测定的影响并找到最佳的MRT发射率模型，使用了八个发射率模型来检查多光谱辐射温度计（MRT）。发现在氧化和未氧化条件下，发射光谱的形状相似，但大小不同。表面氧化会导致发射率的增加以及在不同温度下的差异。总体而言，一种模型显示出对氧化和未氧化铝合金的温度预测最高的准确性。

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来源
《International Journal of Heat and Mass Transfer》 |2011年第24期|p.4834-4843|共10页
作者
Kang-Hsien Weng; Chang-Da Wen;
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作者单位

Department of Mechanical Engineering, National Cheng Kung University, No. 1, University Road, Tainan 701, Taiwan;

Department of Mechanical Engineering, National Cheng Kung University, No. 1, University Road, Tainan 701, Taiwan Corresponding author;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
aluminum alloys; oxidation; emissivity; temperature prediction; multispectral radiation thermometry;

机译：铝合金;氧化;发射率;温度预测;多光谱辐射测温;

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Experimental Investigations Of Deterministic Chaos Appearance In Bubbling Flow

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