f0 500[Hz] Frequency T0 293[K] Ambient temperature p0 1[atm] Atmospheric pressure H 1[mm] Waveguide height L 5[mm] Waveguide side lengths pin 1[Pa] Inlet pressure d_visc 0.22[mm]*sqrt(100[Hz]/f0) Viscous boundary layer thickness of air at 20 degrees C and 1 atm muB0 0[Pa*s] Bulk viscosity Rs0 286.9[J/K/kg] Specific gas constant