| 粒状材料导热系数测量装置的改进及误差分析 |
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| 引用本文： | 李丽新,曲航.粒状材料导热系数测量装置的改进及误差分析[J].实验技术与管理,2006,23(5):58-61. |
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| 作者姓名： | 李丽新 曲航 |
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| 作者单位： | 天津大学,机械学院,天津,300072 |
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| 摘 要： | 对于粒状保温材料导热系数的测量，利用稳态球体法测量原理，设计了3套测量装置，并对3种测量结果进行了误差分析。实验结果表明：实验操作灵活多样，实验数据精确可靠，实验效果形象直观。满足了科研测试和教学实验的基本要求。
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| 关 键 词： | 粒状材料 导热系数 稳态球体法 误差分析 |
| 文章编号： | 1002-4956（2006）05-0058-04 |
| 收稿时间： | 2005-11-20 |
| 修稿时间： | 2006-03-12 |
Improvement on Heat Conductivity Measuring Equipment for Grain Material and Error Analysis |
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| LI Li-xin,QU Hang.Improvement on Heat Conductivity Measuring Equipment for Grain Material and Error Analysis[J].Experimental Technology and Management,2006,23(5):58-61. |
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| Authors: | LI Li-xin QU Hang |
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| Institution: | Mechanical School of Tianjin University, Tianjin300072, China |
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| Abstract: | By using steady globoid heat conductivity measuring method, three types of heat conductivity measuring equipments for grain material are designed, Error analysis for three measuring results have been made. Experiment results shown that the measuring operations of these equipments are flexible, the data obtained are reliable and accurate, the experiment results are displayed by a vivid manner, Subsequently the new measuring equipments are quite suitable for normal experimental research and instructional experiment. |
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| Keywords: | grain material heat conductivity steady globoid method error analysis |
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