Grüneisen Parameter of Fluids and Metals under Compression
The Grüneisen parameter and adiabats of both solids and fluids play an important role in geophysical models. In the discussion of the convection of the outer core and the origin of the earth's magnetic field, one needs to know the adiabatic gradient of the material in question. This gradient can only be calculated when the pressure dependence of the Grüneisen parameter and the adiabatic bulk modulus are known. Calculations of Grüneisen parameter at high compression from lattice theory or from thermodynamic data show considerable disagreement.
KeywordsHigh Compression Volume Dependence Outer Core High Pressure Cell GRUNEISEN Parameter
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