[Chimuka]

Dear friends,

Can someone assist me with detailed description of the application of fluid with variable viscosity flows in porous medium with regards to
(i) storage of grain, fruits vegetables
(ii) pollutant dispersions in aquifers
(iii) chemical catalytic convectors.
(iv) industrial and agricultural water distribution

I can be very grateful if someone can provide me with references or materials or website that provide adequate description on the aforementioned applications.