Table 2.

Physical parameters of polystyrene particles⁵⁷.

Parameter	Symbol	Value	Unit
Mass density	${\rho }_p$	1050	kg/m${}^3$
Speed of sound	$c_p$	2350	m/s
Isentropic compressibility	${\kappa }_p$	$249\times {10}^{-10}$	$\text{1/Pa}$