Compressibility under isentropic (constant entropy ) compression/decompression thermodynamic process:
c_S = \frac{1}{\rho} \left( \frac{\partial \rho}{\partial p} \right)_S = - \frac{1}{V_m} \left( \frac{\partial V_m}{\partial p} \right)_S |
Isentropic Compressibility is material property and is inverse to Isentropic bulk modulus :
\beta_S = \frac{1}{K_S} |
Physics / Mechanics / Continuum mechanics / Continuum body / Compressibility
[ Isentropic bulk modulus (KS) ]