Summary: Moment of the Boltzmann equation (also called transfer or transport
equation) may be obtained by multiplying both sides of the Boltzmann
equation by a molecular quantity Q and integrating the resulting
equation over the whole velocity space:

-

Q
t
nf d v
-

Q v
r
nf d v
-

Q F
v
nf d v =

Source: Alexeenko, Alina - School of Aeronautics and Astronautics, Purdue University

Collections: Engineering