A measure of relative change in density
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\beta = \frac{1}{\rho} \left( \frac{\partial \rho}{\partial p} \right) = - \frac{1}{V_m} \left( \frac{\partial V_m}{\partial p} \right) |
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\beta = \rho \left( \frac{\partial p}{\partial \rho} \right) = - V_m \left( \frac{\partial p}{\partial V_m} \right) |
| Symbol | Dimension | SI units | Oil metric units | Oil field units | ||||||||
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| M-1 L1 -1 T-2 | Pa-1kPa-1 | GPa | psi-1 |
It measures its resistance of Continuum body to compression/decompression.
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