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Experimental determination of superheated liquid density by the optical fiber method

, , , , , and . Journal of Engineering Thermophysics, 22 (3): 194-202 (2013)
DOI: 10.1134/S181023281303003X

Abstract

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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Experimental determination of superheated liquid density by the optical fiber method - Springer

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