Understanding Radial Flow in Porous Media: Darcy's Law and Pressure Distribution

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The discussion focuses on solving a problem involving the flow of an incompressible fluid through a porous cylindrical shell, requiring the application of Darcy's Law and principles of pressure distribution. Participants emphasize the need to establish the pressure distribution between the inner and outer radii, R1 and R2, and derive the radial flow velocity and mass flow rate. The hint provided suggests using the continuity equation in cylindrical coordinates, specifically d/dr(rq) = 0, to facilitate the calculations. Additionally, participants are reminded to document Darcy's Law in cylindrical coordinates for purely radial flow. Understanding these concepts is crucial for accurately addressing the problem at hand.
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Homework posted in wrong forum, so no template
I've never done a question similar to this one, and I've found myself stuck on it for a while now. I was hoping for some guidance on where to begin, because I truly have no idea:

An incompressible fluid flows through a porous cylindrical shell with inner and outer radii R1 and R2, respectively under steady state conditions. At these surfaces, the pressures are known to be p1 and p2 respectively. The length of the cylindrical shell is h.
(See diagram)

Find:
A) Pressure distribution
B) Radial flow velocity
C) Mass flowrate

(Hint: For the flow of a steady state incompressible fluid through porous media, the equations of continuity in the cylindrical coordinates (r,Θ,z) are expressed by d/dr(rq) = 0 in which q is the Darcy velocity).
 

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You should also be warned for no effort. Please write down Darcy's law in cylindrical coordinates for a purely radial flow.
 
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