| 水平圆管内黏性流动的能量损耗 |
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| 引用本文： | 周越,张国锋.水平圆管内黏性流动的能量损耗[J].大学物理,2020(2):18-20. |
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| 作者姓名： | 周越 张国锋 |
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| 作者单位： | 北京林业大学理学院;北京航空航天大学物理科学与核能工程学院 |
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| 基金项目： | 中央高校基本科研业务费专项资金(2019SG06);北航建设《趣味物理研讨课》,探索研究型教学模式教改项目资助 |
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| 摘 要： | 本文分析了黏性流体在水平圆管道中做层流流动时,能量损耗和热量的来源与分布,纠正了对黏性流体伯努利方程中能量损耗项的一种错误认识.
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| 关 键 词： | 黏性流体 内摩擦 热量 能量损耗 |
The energy loss of viscous flow in a horizontal circular pipe |
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| ZHOU Yue,ZHANG Guo-feng.The energy loss of viscous flow in a horizontal circular pipe[J].College Physics,2020(2):18-20. |
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| Authors: | ZHOU Yue ZHANG Guo-feng |
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| Institution: | (College of Science,Beijing Forestry University,Beijing 100083,China;School of Physics and Nuclear Energy Engineering,Beihang University,Beijing 100191,China) |
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| Abstract: | The origin and distribution of the energy loss and heat in a laminar flow of viscous fluid through a horizontal circular pipe are analyzed,and a misconception about the energy loss term in Bernoulli’s equation of viscous fluids was corrected. |
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| Keywords: | viscous fluid internal friction heat energy loss |
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