SIMULTANEOUS ESTIMATION OF THERMAL PROPERTIES BY A NON-LINEAR LEAST SQUARES METHOD.

Jun Fukai, Minoru Watanabe, Shigemori Ohtani, Takatoshi Miura

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A new method, which utilizes a non-linear least squares method, is proposed to estimate simultaneously the thermal conductivity, the heat capacity and their temperature coefficients. This measurement principle is further expanded so as to measure the heat of chemical reaction. In the measurement, a hollow cylinder is heated from both the central axis and the outer surface. The effective thermal conductivity and the heat capacity of a packed bed of glass and aluminum oxide were measured from 300 K to 700 K at a heating rate of 2-3 K/min. The endothermic quantity of transition (KNO//3) and dehydration (CaC//2O//4 multiplied by (times) H//2O) were also measured at a heating rate of 2 K/min. The results agree well with those determined by other measuring techniques.

Original languageEnglish
Pages (from-to)26-45
Number of pages20
JournalHeat Transfer - Japanese Research
Volume15
Issue number2
Publication statusPublished - Mar 1 1986
Externally publishedYes

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least squares method
Heating rate
Specific heat
Thermal conductivity
Thermodynamic properties
thermodynamic properties
Aluminum Oxide
Packed beds
thermal conductivity
Dehydration
specific heat
Chemical reactions
heating
Aluminum
dehydration
Glass
Oxides
beds
hollow
chemical reactions

All Science Journal Classification (ASJC) codes

  • Fluid Flow and Transfer Processes

Cite this

SIMULTANEOUS ESTIMATION OF THERMAL PROPERTIES BY A NON-LINEAR LEAST SQUARES METHOD. / Fukai, Jun; Watanabe, Minoru; Ohtani, Shigemori; Miura, Takatoshi.

In: Heat Transfer - Japanese Research, Vol. 15, No. 2, 01.03.1986, p. 26-45.

Research output: Contribution to journalArticle

Fukai, Jun ; Watanabe, Minoru ; Ohtani, Shigemori ; Miura, Takatoshi. / SIMULTANEOUS ESTIMATION OF THERMAL PROPERTIES BY A NON-LINEAR LEAST SQUARES METHOD. In: Heat Transfer - Japanese Research. 1986 ; Vol. 15, No. 2. pp. 26-45.
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