Experimental determination of superheated liquid density by the optical fiber method

被引:0
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作者
A. L. Gurashkin
A. A. Starostin
A. A. Uimin
A. D. Yampol’skiy
G. V. Ermakov
P. V. Skripov
机构
[1] Russian Academy of Sciences,Institute of Thermal Physics, Ural Branch
[2] Ural Technical Institute of Communication and Information Science (Yekaterinburg Branch of Siberian State University of Telecommunication and Information Science),undefined
[3] Ural Institute of State Fire Service of EMERCOMof Russia,undefined
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关键词
Liquid Density; Engineer THERMOPHYSICS; Bubble Chamber; Saturation Line; Superheated Liquid;
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摘要
An experimental approach to determination of the density of liquid superheated with respect to the liquid-vapor equilibrium temperature, including the range of high degrees of superheating, is developed. The approach is based on application of an optical fiber method combined with a pure bubble chamber. Performance of the method for investigation of the refractive index and density for superheated liquids as functions of temperature and pressure is illustrated in experiments with n-hexane as a reference substance for thermophysical measurements. The relative density measurements are performed with a resolution up to 10−4 at a characteristic time of 1 ms. For absolute measurements, the setup should be calibrated by the known data on the liquid density for the saturation line.
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页码:194 / 202
页数:8
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