Table 1 Physical quantities, corresponding symbols and MKS and CGS units
From: Magnetic resonance velocity imaging derived pressure differential using control volume analysis
Physical Quantity | Symbol | MKS units | CGS units |
|---|---|---|---|
Fluid mass density | ρ | Kg/m3 | g/cm3 |
Velocity vector field | U | m/s | cm/s |
Net mass production rate |
| kg/s | g/s |
Pressure field | p | Pa | dyne/cm2 |
Viscous stress vector | τ | Pa | dyne/cm2 |
Gravitational acceleration | g | m/s2 | cm/s2 |
Control volume acceleration | a | m/s2 | cm/s2 |
Ventricle wall displacement vector | δ w | m | cm |
Differential volume element | dV | m 3 | cm 3 |
Differential control surface area element | dS | m 2 | cm 2 |
Unit outward surface normal vector |
| -- | -- |
