Reference Correlation for the Thermal Conductivity of Ammonia from the Triple-Point Temperature to 680 K and Pressures up to 80 MPa

被引:13
|
作者
Monogenidou, S. A. [1 ]
Assael, M. J. [1 ]
Huber, M. L. [2 ]
机构
[1] Aristotle Univ Thessaloniki, Dept Chem Engn, Lab Thermophys Properties & Environm Proc, Thessaloniki 54636, Greece
[2] NIST, Appl Chem & Mat Div, 325 Broadway, Boulder, CO 80305 USA
关键词
ammonia; thermal conductivity; transport properties; TRANSPORT-PROPERTIES; THERMOPHYSICAL PROPERTIES; GASEOUS AMMONIA; MIXTURES; FLUIDS;
D O I
10.1063/1.5053087
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
This paper presents a new wide-ranging correlation for the thermal conductivity of ammonia based on critically evaluated experimental data. The correlation is designed to be used with a recently published equation of state that is valid from the triple-point temperature to 680 K and pressures up to 80 MPa. We estimate the uncertainty at a 95% confidence level to be 6.8% over the aforementioned range, with the exception of the dilute-gas range where the uncertainty is 4% over the temperature range 285 K-575 K. The uncertainties will be larger outside of the validated range and also in the critical region. (C) 2018 by the U.S. Secretary of Commerce on behalf of the United States. All rights reserved.
引用
收藏
页数:8
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