The weight of the piston and moving coil,

1.2 ´ 10⁻¹ kg

The bulk modulus of elasticity of the drug,

2.18 ´ 10⁹ Pa

The initial length of liquid,

2.8 ´ 10⁻² m

The cross-sectional area of the micro orifice,

4.91 ´ 10⁻⁸ m²

The cross-sectional area of the piston,

1.79 ´ 10⁻⁵ m²

Thediameter of the chamber in ampoule,

4.77 ´ 10⁻³ m

The initial density of the drug,

1 ´ 10³ kg/m³

The friction coefficient between ampoule and piston,

2 ´ 10⁻²

The conventional hydraulic pressure,

3.5 ´ 10⁶ Pa

The contact width between the ampoule and piston,

1 ´ 10⁻³ m

The dynamic viscosity of the drug,

1.005 ´ 10⁻³ Pa∙s