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A noncontact measurement technique for the specific heat and total hemispherical emissivity of undercooled refractory materials.

Author(s) : RULISON A. J., RHIM W. K.

Type of article: Article

Summary

In purely radiative cooling, a simple formula which relates the post-recalescence isotherm duration and the undercooling level to the constant pressure specific heat is derived. This technique also allows to measure the total hemispherical emissivity once the constant pressure specifc heat is known. The averaged specific heats and total hemispherical emissivities of zirconium and nickel over the undercooled regions agree well with the results obtained by drop calorimetry.

Details

  • Original title: A noncontact measurement technique for the specific heat and total hemispherical emissivity of undercooled refractory materials.
  • Record ID : 1995-0137
  • Languages: English
  • Source: Rev. sci. Instrum. - vol. 65 - n. 3
  • Publication date: 1994/03
  • Document available for consultation in the library of the IIR headquarters only.

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