| 交叉缩放椭圆管CaCO3污垢特性的实验研究 |
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| 引用本文： | 张仲彬,李兴灿,郭进生,徐志明. 交叉缩放椭圆管CaCO3污垢特性的实验研究[J]. 工程热物理学报, 2011, 0(9): 1564-1566 |
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| 作者姓名： | 张仲彬 李兴灿 郭进生 徐志明 |
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| 作者单位： | 东北电力大学能源与动力工程学院; |
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| 基金项目： | 国家重点基础研究发展规划基金项目(No.2007CB206904); 东北电力大学博士启动基金项目(No.BSJXM-200916) |
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| 摘 要： | 采用对比实验的方法对交叉缩放椭圆管与铜光管的传热和CaCO3污垢特性进行了研究，并用数值方法模拟了交叉缩放椭圆管的内部流场和壁面剪切力。实验结果表明：交叉缩放椭圆管的换热和抗垢性能均优于在对应状态下的铜光管，这主要是由于交叉缩放椭圆管的内部流场和壁面剪切力的周期性变化所引起的。交叉缩放椭圆管在低流速时污垢热阻渐近值较大...
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| 关 键 词： | 交叉缩放椭圆管 CaCO3污垢 污垢热阻 |
Experimental Investigation on the CaCO_3 Fouling Characteristics of the Alternating Elliptical Axis Tube |
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| ZHANG Zhong-Bin LI Xing-Can GUO Jin-Sheng XU Zhi-Ming. Experimental Investigation on the CaCO_3 Fouling Characteristics of the Alternating Elliptical Axis Tube[J]. Journal of Engineering Thermophysics, 2011, 0(9): 1564-1566 |
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| Authors: | ZHANG Zhong-Bin LI Xing-Can GUO Jin-Sheng XU Zhi-Ming |
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| Affiliation: | ZHANG Zhong-Bin LI Xing-Can GUO Jin-Sheng XU Zhi-Ming (Energy and Power Engineering Institute,Northeast Dianli University,Jilin 132012,China) |
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| Abstract: | The characteristics of heat transfer and CaCO_3 fouling were studied by the method of comparative experiments for the alternating elliptical axis tube and the copper tube in this paper, the flow field and wall shear stress in the alternating elliptical axis tube were numerically simulated and analyzed.The results show that the alternating elliptical axis tube has better heat transfer performance and anti-fouling ability than its corresponding copper tube,the periodic change of flow field and wall shear stre... |
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| Keywords: | alternating elliptical axis tube CaCO_3 fouling fouling resistance |
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