Where ( C ) is concentration of solubles and ( D ) is diffusion coefficient.
[ Q = \frack \cdot A \cdot \Delta P\mu \cdot L ] the physics of filter coffee pdf full
A higher temperature increases extraction rate but can also lead to over-extraction of bitter compounds. Where ( C ) is concentration of solubles
[ \frac\partial C\partial t = D \nabla^2 C ] the physics of filter coffee pdf full