Experimental investigation on fouling characteristic of outer spirally corrugated tube - 文章详情页

作者：

Liu, Zhen (Liu, Zhen.) | Chen, Yong-Chang (Chen, Yong-Chang.) | Shao, Bing-Hua (Shao, Bing-Hua.) | Quan, Zhen-Hua (Quan, Zhen-Hua.) | Ma, Chong-Fang (Ma, Chong-Fang.)

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摘要：

With　the　dynamic　monitoring　apparatus,　the　effects　of　cold　water　hardness,　temperature,　velocity　and　tube＇s　geometric　parameter　on　the　fouling　characteristic　were　studied　in　this　paper.　The　results　indicated　that　the　geometric　parameter　of　spirally　corrugated　tubes　showed　great　effects　on　fouling　resistance.　The　shortest　pitch　corresponded　to　the　smallest　fouling　resistance.　However,　the　fouling　resistance　didn＇t　change　in　the　same　trend　with　the　increasing　of　the　pitch.　With　the　increasing　of　temperature　the　fouling　resistance　and　the　fouling　rate　increased,　but　the　induction　period　disappeared　gradually.　The　fouling　resistance　varied　non-monotonously　as　the　fluid　velocity　increased.　Comparison　of　fouling　resistances　between　the　spirally　corrugated　tube　and　the　smooth　tube　demonstrated　that　the　spirally　corrugated　tubes　displayed　some　anti-fouling　characteristics.

关键词：

Fouling Tubes (components) Water hardness

作者机构：

[ 1 ] [Liu, Zhen]Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education and Key Laboratory of Heat Transfer and Energy Conversion, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Chen, Yong-Chang]Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education and Key Laboratory of Heat Transfer and Energy Conversion, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Shao, Bing-Hua]Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education and Key Laboratory of Heat Transfer and Energy Conversion, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Quan, Zhen-Hua]Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education and Key Laboratory of Heat Transfer and Energy Conversion, Beijing University of Technology, Beijing 100124, China
[ 5 ] [Ma, Chong-Fang]Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education and Key Laboratory of Heat Transfer and Energy Conversion, Beijing University of Technology, Beijing 100124, China

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