Table 4.

Variables and their dimensions.

variable	u1	u2	∂u1/∂t	∂u2/∂t	∂u1/∂x	∂u2/∂x
dimension	m s−1	m s−1	m s−2	m s−2	s−1	s−1

variable	∂u1/∂y	∂u2/∂y	∂2u1/∂x2	∂2u2/∂x2	∂2u1/∂y2	∂2u2/∂y2
dimension	s−1	s−1	(m · s)−1	(m · s)−1	(m · s)−1	(m · s)−1

variable	p/ρ	∂(p/ρ)/∂x	∂(p/ρ)/∂y	ν
dimension	m2 s−2	m s−2	m s−2	m2 s−1