Optimizing acoustic measurements of the Boltzmann constant

被引：27

作者：

Moldover, Michael R. ^{[1
]}

机构：

[1] Natl Inst Stand & Technol, Gaithersburg, MD 20899 USA

来源：

COMPTES RENDUS PHYSIQUE | 2009年 / 10卷 / 09期

关键词：

FUNDAMENTAL PHYSICAL CONSTANTS; CODATA RECOMMENDED VALUES; THERMOPHYSICAL PROPERTIES; PRECISE MEASUREMENTS; GAS-CONSTANT; DENSITY; MERCURY; THERMOMETRY; VISCOSITY; HELIUM;

D O I：

10.1016/j.crhy.2009.10.007

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We review the progress in acoustic metrology of gases that has occurred since the 1988 measurement of the universal gas constant R using a spherical acoustic resonator. The advances in understanding resonators and in calculating the thermophysical properties of helium ab initio suggest that today one could determine Boltzmann's constant k(B) from acoustic measurements using either helium or argon with a relative uncertainty less than 10(-6). To cite this article: M.R. Moldover, C R. Physique 10 (2009). (C) 2009 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.

引用

页码：815 / 827

页数：13

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