Question

Formula bulk modulous and compresibility relation

Answer 1

The term bulk modulus usually means the reciprocal of compressibility and defines the slope of the curve when plotted against specific volume, Figure 1. Because specific volume is dimensionless, units of bulk modulus are the same as pressure — psig (bar, Pa, N/m2).

Answer 2

bulk modulous = $\\ \frac{pressure}{delta volume} volume$

Compressibility is reciprocal of bulk modulous