Thermophysical properties of the Sołtmany meteorite

• Autorzy: Szurgot M. , Wach R. A. , Przylibski T.A.

Identyfikatory

DOI

10.5277/met120107

• Języki publikacji: EN

Abstrakty

EN

Bulk density, porosity and thermophysical properties of the Sołtmany meteorite have been determined. The mean bulk density of the meteorite is 3.475‧10³kg/m³, mean bulk density of the crust is 4.3‧10³ kg/m³, grain density 3.71‧10³ kg/m³, and porosity 6.4 ±} 0.4%. Mean specific heat capacity determined by DSC in temperature range between 223 and 823 K increases from 595 to 1046 J/(kg‧K), and is equal to 728 J/(kg‧K) at room temperature. Specific heat capacity of various samples is in the range 705–769 J/(kg‧K) at room temperature. Thermal capacity of Sołtmany chondrite is equal to 2.53‧10⁶ J/(m³‧K), thermal diffusivity (1.5–1.8)‧10^-6 m²/s, and thermal conductivity 3.9–4.5 W‧m–^-1‧K^-1at room temperature. Differential scanning calorimetry revealed two reversible phase transitions in the Sołtmany’s troilite: α/β transition at 423 K, and β/γ transition at 596.6 K.

Słowa kluczowe

EN

chondrite; differential scanning calorimetry (DSC); specific heat capacity; thermal capacity; thermal diffusivity; thermal conductivity

• Wydawca: Polish Meteorite Society ; Wrocław University of Science and Technology
• Czasopismo: Meteorites
• Rocznik: 2012
• Tom: Vol. 2, No. 1-2
• Strony: 53--65
• Opis fizyczny: Bibliogr. 40 poz., rys., tab.

Twórcy

autor

Szurgot M.

• Lodz University of Technology, Center of Mathematics and Physics, Al. Politechniki 11, 90-924 Łodź, Poland.

autor

Wach R. A.

• Lodz University of Technology, Institute of Applied Radiation Chemistry, Wroblewskiego 15, 93-590 Łodź, Poland.

autor

Przylibski T.A.

• Wrocław University of Technology, Faculty of Geoengineering, Mining and Geology, Wybrzeże S. Wyspiańskiego 27, 50-370 Wrocław, Poland.

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