Environmental Fluid Mechanics 1:
Mass Transfer and Diffusion

Course Script > Ch 2

Chapter 2:  The advective diffusion equation

In nature, transport occurs in fluids through the combination of advection and diffusion. The previous chapter introduced diffusion and derived solutions to predict diffusive transport in stagnant ambient conditions. This chapter incorporates advection into our diffusion equation (deriving the advective diffusion equation) and presents various methods to solve the resulting partial differential equation for different geometries and contaminant conditions.

The Appendix B (PDF) presents solutions to the advective diffusion equation (with reactions) for various source conditions and geometries.

See Lecture 4 and Recitation 1.

*  If you have trouble printing the landscape tables at the end of the chapter, try printing in Acrobat Reader 4.0 or from this PS file.



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