The velocity dependence of viscosity of flowing water

被引：20

作者：

Ni, Ke ^{[1
]}

Fang, Hongwei ^{[1
]}

Yu, Zhiwu ^{[2
]}

Fan, Zhaosheng ^{[2
]}

机构：

[1] Tsinghua Univ, State Key Lab Hydrosci & Engn, Dept Hydraul Engn, Beijing 100084, Peoples R China

[2] Tsinghua Univ, Key Lab Bioorgan Phosphorus Chem & Chem Biol, Dept Chem, Minist Educ, Beijing 100084, Peoples R China

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2019年 / 278卷

基金：

中国国家自然科学基金;

关键词：

Viscosity; Velocity; Flowing water; Hydrogen bonds; LIQUID WATER; TEMPERATURE; PRESSURE; SEDIMENT; SIMULATION; NANOTUBES; DIFFUSION; CLUSTERS; NETWORK; ATOMS;

D O I：

10.1016/j.molliq.2019.01.055

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

As one of the fundamental physical properties of pure liquids, viscosity is considered to be dependent on pressure and temperature only. In this work, we design an infrared spectroscopy experiment for flowing water. By relating the viscosity of water with the wavenumber of oxygen-hydrogen (O-H) stretching vibration, we found clear velocity dependence of viscosity, which is different from conventional understanding. A relationship between velocity and viscosity is developed, and the probable reasons for this phenomenon are discussed. (C) 2019 The Authors. Published by Elsevier B.V.

引用

页码：234 / 238

页数：5

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