The energy loss of viscous flow in a horizontal circular pipe

ZHOU Yue, ZHANG Guo-feng

doi:10.16854 / j.cnki.1000-0712.190192

College Physics >

2020 , Vol. 39 >Issue 02: 18 - 20

DOI: https://doi.org/10.16854 / j.cnki.1000-0712.190192

The energy loss of viscous flow in a horizontal circular pipe

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1. College of Science，Beijing Forestry University，Beijing 100083，China; 2. School of Physics and Nuclear Energy Engineering，Beihang University，Beijing 100191，China

Received date: 2019-05-04

Revised date: 2019-08-05

Online published: 2020-03-05

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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 vis

cous fluids was corrected.

Key words： 黏性流体; 内摩擦; 热量; 能量损耗

Cite this article

ZHOU Yue, ZHANG Guo-feng . The energy loss of viscous flow in a horizontal circular pipe[J]. College Physics, 2020 , 39(02) : 18 -20 . DOI: 10.16854 / j.cnki.1000-0712.190192

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