How to apply "Convective Operator" to a scalar field?
I know how to apply the convective operator to a vector field: http://mathworld.wolfram.com/ConvectiveOperator.html
But I need to apply this operator to a scalar field (temperature). Anyone has a suggestion? 
Quote:
u dT/dx + v dT/dy + w dT/dz 
Look at the continuity equation it shows convective operator to density scalar field.

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