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

Research output: Contribution to journalArticle

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 languageEnglish
Pages (from-to)201-206
Number of pages6
JournalHigh Temperatures - High Pressures
Volume29
Issue number2
Publication statusPublished - 1997

Fingerprint

Carbon dioxide lasers
carbon dioxide lasers
Rayleigh scattering
Thermal diffusivity
Carbonates
thermal diffusivity
Molten materials
carbonates
Heating
heating
Liquids
liquids
Temperature
temperature
potassium carbonate

ASJC Scopus subject areas

  • Materials Science (miscellaneous)
  • Mechanics of Materials
  • Computational Mechanics
  • Physical and Theoretical Chemistry
  • Fluid Flow and Transfer Processes

Cite this

Experimental study of the thermal diffusivity of molten carbonates by the forced Rayleigh scattering method with a carbon dioxide laser. / Otsubo, Seiji; Nozaki, Takahiro; Nagasaka, Yuji; Nagashima, Akira.

In: High Temperatures - High Pressures, Vol. 29, No. 2, 1997, p. 201-206.

Research output: Contribution to journalArticle

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