where x, y and z are Cartesian coordinates and vx, vy and vz are components parallel totherespectivecoordinateaxesofthevelocityvectorv (Fig.1.3).Insimplewords,
the divergence of a vector at a given point is positive when the surrounding vector
where x, y and z are Cartesian coordinates and vx, vy and vz are components parallel totherespectivecoordinateaxesofthevelocityvectorv (Fig.1.3).Insimplewords,the divergence of a vector at a given point is positive when the surrounding vector