Self-evaluation of Flight Time Integral Method

Abstract

This paper gives a self-evaluation of the Flight Time Integral (FTI) method for solving the Boltzmann equation. The FTI method is featured by taking the flow-in rate distribution of particles as the principal unknown function in place of the velocity distribution. The flow-in rate distribution uniquely converges into a steady form governed by the loop velocity dispersion functions. It assures the continuity of particle flow and establishes the equilibrium velocity distribution for the flying particles.