作者: John Happel
关键词: Packed bed 、 Envelope (mathematics) 、 Mechanics 、 Inertia 、 Boundary value problem 、 Particle 、 SPHERES 、 Slow motion 、 Pressure drop 、 Mathematics
摘要: … of the velocity of steady fall of spherical particles through a … Y), who assumed that each particle in a cloud would be effectively … spherical harmonic of order n = solid spherical harmonic of …