| 不同流型下能量转化方程的伯努利演示实验验证 |
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| 引用本文： | 顾晓利,何明,史以俊,程康华,李忠正. 不同流型下能量转化方程的伯努利演示实验验证[J]. 化工时刊, 2011, 25(10): 21-22,26. DOI: 10.3969/j.issn.1002-154X.2011.10.006 |
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| 作者姓名： | 顾晓利 何明 史以俊 程康华 李忠正 |
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| 作者单位： | 南京林业大学化学工程学院,江苏南京,210037 |
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| 基金项目： | 江苏高校优势学科建设工程资助项目; 国家林业公益性行业科研专项资助项目(201104032); 中国博士后科学基金资助项目(20110491435); 江苏省博士后科研资助计划项目(1101028C) |
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| 摘 要： | 通过伯努利演示实验的机械能转换演示设备,既使学生观察到流体流经收缩、扩大管段时,各截面上静压的变化；又可对不同流型下伯努利方程的公式变化加深理解,进而验证了流体流动能量方程的正确性.
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| 关 键 词： | 化工原理实验 流体 伯努利方程 |
The Validation of Energy Conservation Equation with Different Flow Pattern by Bernoulli Equation |
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| Gu Xiaoli,He Ming,Shi Yijun,Cheng Kanghua,Li Zhongzheng. The Validation of Energy Conservation Equation with Different Flow Pattern by Bernoulli Equation[J]. Chemical Industry Times, 2011, 25(10): 21-22,26. DOI: 10.3969/j.issn.1002-154X.2011.10.006 |
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| Authors: | Gu Xiaoli He Ming Shi Yijun Cheng Kanghua Li Zhongzheng |
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| Affiliation: | Gu Xiaoli He Ming Shi Yijun Cheng Kanghua Li Zhongzheng(College of Chemical Engineering,Nanjing University of Forestry,Jiangsu Nanjing 210037) |
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| Abstract: | This paper introduced a demonstration device of energy conversion.Students can watch the change of static pressure on each cross section when the fluid flows through the contractive and distensible pipe.The whole demo process is vividly perceived for understandng the Bernoulli equation.And the correctness of the fluid mechanical energy conservation equation was proved. |
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| Keywords: | chemical engineering principle experiment fluid bernoulli equation |
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