State equation of mineral sands (CROSBI ID 177576)
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Podaci o odgovornosti
Ivšić, Tomislav ; Gojmerac Ivšić, Astrid
engleski
State equation of mineral sands
The pressure-volume analogy between compressible fluids and macroscopic sand bodies [T.Ivsic, A. Galovic and D. Kirin, Physica A, 277, 47 (2000)] is further extended using quantitative determination of corresponding empirical constants based on adapted van der Waals state equation. The isothermal constants obtained by interpretation of triaxial sand tests at so called “critical state of sand” are clearly related to the universal ideal gas properties and molar properties of mineral sands. The corresponding constants for sand and gases or other volatile liquids have the same order of magnitude. The apparent bulk repulsion/attraction effects in sand bodies are also discussed.
mineral sand; Van der Waals fluid; critical state; triaxial test; molar properties
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