Flow rate

Modeling puck resistance over time

Modeling puck resistance over time

How the resistance of a coffee puck evolves during the brewing process, influencing flow rate and extraction dynamics.

Darcy-style intuition for flow in beds

Darcy-style intuition for flow in beds

How to conceptualize water flow through coffee grounds using principles inspired by Darcy’s Law, connecting pressure, resistance, and flow rate.

Filter permeability and resistance

Filter permeability and resistance

How the physical properties of coffee filters affect water flow, extraction, and cup quality.

Grind size effects on flow

Grind size effects on flow

How grind particle size influences water flow, extraction efficiency, and flavor balance in brewed coffee.

Agitation, turbulence, and channeling

Agitation, turbulence, and channeling

How movement of water through coffee grounds affects extraction uniformity, flavor, and potential defects.

Percolation vs immersion dynamics

Percolation vs immersion dynamics

Understanding how water flow dynamics—percolation vs immersion—affect coffee extraction and flavor development.