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【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ 感谢参与,应助指数 +1 yongjingji: 金币+10 2016-12-23 22:30:27
可以用经验公式计算,参考Thermophysical properties of seawater - MIT,链接地址:
http://web.mit.edu/seawater/
SW_Viscosity Dynamic viscosity of seawater
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USAGE: mu = SW_Viscosity(T, S)
DESCRIPTION:
Dynamic viscosity of seawater at atmospheric pressure (0.1 MPa) using Eq. (22) given in [1] which best fit the data of [2], [3] and [4].
The pure water viscosity equation is a best fit to the data of [5].
Values at temperature higher than the normal boiling temperature are calculated at the saturation pressure.
INPUT: (all must have same dimensions)
T = temperature [degree C] (ITS-90)
S = salinity [g/kg] (reference-composition salinity)
OUTPUT:
mu = dynamic viscosity [kg/m-s]
VALIDITY: 0 < T < 180 C; 0 < S < 150 g/kg
ACCURACY: 1.5%
REVISION HISTORY:
2009-12-18: Mostafa H. Sharqawy (mhamed@mit.edu), MIT
- Initial version
2015-07-01: Kishor G. Nayar (kgnayar@mit.edu) and
Adam Weiner (aweiner@mit.edu), MIT
- Converted from EES to VBA
DISCLAIMER:
This software is provided "as is" without warranty of any kind.
See the file SW_copy.txt for conditions of use and licence.
REFERENCES:
[1] M. H. Sharqawy, J. H. Lienhard V, and S. M. Zubair, Desalination and Water Treatment, 16, 354-380, 2010. (http://web.mit.edu/seawater/)
[2] B. M. Fabuss, A. Korosi, and D. F. Othmer, J., Chem. Eng. Data 14(2), 192, 1969.
[3] J. D. Isdale, C. M. Spence, and J. S. Tudhope, Desalination, 10(4), 319-328, 1972
[4] F. J. Millero, The Sea, Vol. 5, 3 - 80, John Wiley, New York, 1974
[5] IAPWS release on the viscosity of ordinary water substance 2008 |
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