Thermal Radiation Properties of Molten Salts (1st Report, Properties of Alkaline Metal Nitrates)

Toshiro Makino, Takahide Maeda, Manabu Edamura, Atsumasa Yoshida

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Thermal radiation properties are investigated by a spectral experiment on three molten alkaline metal nitrates : lithium nitrate, sodium nitrate and potassium nitrate. A new technique is adopted for the highly corrosive liquid at high temperatures, and for measuring the absorption ranging from weak to strong in a wide spectral region. Reflectance spectra of the salt layers are measured at wavelengths from 0.4 to 13.0 μm. The results are analyzed to describe the spectral behavior of the refractive index and absorption coefficient by a continuous function of wavelength of radiation for the heat transfer engineering application.

Original languageEnglish
Pages (from-to)3805-3809
Number of pages5
JournalNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Issue number532
Publication statusPublished - 1990
Externally publishedYes


  • Absorption Coefficient
  • Lithium Nitrate
  • Molten Salt
  • Optical Constant
  • Potassium Nitrate
  • Refractive Index
  • Sodium Nitrate
  • Spectroscopic Measurement
  • Thermal Radiation
  • Thermophysical Property

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering


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