College Physics >

2022 , Vol. 41 >Issue 11: 15

DOI: https://doi.org/10.16854 /j.cnki.1000-0712.220045

An analysis of the energy of longitudinal wave

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  • 1. College of Science, Beijing Forestry University, Beijing 100083, China;
    2. School of Physics,Beihang University, Beijing 100191, China

Received date: 2022-02-07

  Revised date: 2022-05-06

  Online published: 2023-01-06

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Abstract

The energy density and energy flow of a harmonic longitudinal wave in elastic medium are calculated and the relevant formulas in general physics textbook are further discussed, the composition and origin of the energy flow are analyzed.

Key words： longitudinal wave; energy density; energy flow

Cite this article

ZHOU Yue, ZHANG Guo-feng . An analysis of the energy of longitudinal wave[J]. College Physics, 2022 , 41(11) : 15 . DOI: 10.16854 /j.cnki.1000-0712.220045

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