symbol | definition |
\( \dot{V} \) | Rate of change in volume |
\( Q_{i} \) | Flow rate into a volume |
\( Q_o \) | Flow rate out of a volume |
\( Q \) | Volumetric flow rate. |
\( \delta \) | Nonlinear velocity profile correction factor |
\( \delta \) | Correction factor |
\( C_1 \) | Arbitrary constant |
\( \delta'=\delta+1 \) | The modified correction factor |
\( Z_c^f \) | Characteristic impedance for a forward traveling wave |
\( Z_c^b \) | Characteristic impedance for a backward traveling wave |
\( \rho_{w} \) | Density of vessel wall |
\( \tau_w = \tau_{rz}\vert_{r=r_i} \) | Wall shear stress |