Advanced Mathematics For Engineering and Science

Appendix II: The Equation of Motion in Several Coordinate Systems

RECTANGULAR COORDINATES

In terms of velocity gradients for a Newtonian fluid with constant ? (density) and (viscosity)

x-component

(A.II 1)

y-component

(A.II 2)

z-component

(A.II 3)

CYLINDRICAL COORDINATES

In terms of velocity gradients for a Newtonian fluid with constant ? and

r-component

(A.II 4)

?-component

(A.II 5)

z-component

(A.II 6)

SPHERICAL COORDINATES

In terms of velocity gradients for a Newtonian fluid with constant ? and

r-component

(A.II 7)

?-component

(A.II 8)

-component

(A.II 9)
(A.II 10)

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