Approximate Formula for Bulk Viscosity
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概要
- 論文の詳細を見る
We derive a new approximate formula for the bulk viscosity ζ in terms of microscopic information such as the interatomic potential φ(r) and the pair distribution function g(r). This is a unique characteristic of this expression when compared with the previously proposed formulae in which the bulk viscosity ζ is expressed in terms of pressure. Debye relaxation is assumed for g(r) in the derivation of this approximate formula, and it is an effective method of determining a correct order of magnitude. This is confirmed by performing simulations of a Lennard-Jones fluid near its triple point.
- 社団法人日本物理学会の論文
- 2002-03-15
著者
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Yonezawa Fumiko
Department Of Physics Keio University
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Okumura Hisashi
Department Of Physics Keio University
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Yonezawa Fumiko
Department Of Applied Physics Tokyo Institute Of Technology
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