Parameters | Short description |
| the operator of vector differentiation with respect to |
| the operator of vector differentiation with respect to |
t | given time |
| the time of the initial collision of the converging particle |
| the ending point of the converging particle |
| the starting point of the converging particle |
| mass flow velocity in the point at time |
| the thermal velocity of converging particle in point at time |
| rate of collisions per unit volume at at the time 0 |
| the velocity vector of the converging particle in the ending point at time t |
| probability of free path traveling along the ballistic trajectory of the converging ballistic trajectory starting at time and ending at time t |
| property content delivered by the converging ballistic particle in the ending point at the given time t |
| traveling time between an initial and ending consecutive collisions or the ballistic traveling time |
n | gas particles density |
m | gas particle mass |
| the effective particle’s cross-section of collisions |
| number of particles placed within a collision tube of a unit length |
| the cross-section of collisions |
V | the volume of integration over space occupied by the gas |
| the external force that applies to a particle of a unit mass |
| the average velocity of the traveling particle with respect to a nearby passed particle |