Experimental study of the thermal diffusivity of molten carbonates by the forced Rayleigh scattering method with a carbon dioxide laser

Seiji Otsubo; Takahiro Nozaki; Yuji Nagasaka; Akira Nagashima

doi:10.1068/htec204

Experimental study of the thermal diffusivity of molten carbonates by the forced Rayleigh scattering method with a carbon dioxide laser

Seiji Otsubo, Takahiro Nozaki, Yuji Nagasaka, Akira Nagashima

Department of System Design Engineering

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

A new apparatus has been developed to measure the thermal diffusivity of liquids by the forced Rayleigh scattering method with a carbon dioxide laser. In order to develop a practical forced Rayleigh scattering apparatus applicable to a wide range of substances and conditions, a free-surface heating technique has been invented. The thermal diffusivity of molten carbonates (Li₂CO₃, Na₂CO₃, and K₂CO₃) in the temperature range up to 1445 K has been measured. The accuracy was estimated to be 8%-17%, depending on the carbonate measured.

Original language	English
Pages (from-to)	201-206
Number of pages	6
Journal	High Temperatures - High Pressures
Volume	29
Issue number	2
DOIs	https://doi.org/10.1068/htec204
Publication status	Published - 1997 Jan 1

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Physical and Theoretical Chemistry

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Experimental study of the thermal diffusivity of molten carbonates by the forced Rayleigh scattering method with a carbon dioxide laser

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