Paper puck filters and channel control
How paper puck filters influence espresso extraction, reduce channeling, and affect clarity and mouthfeel.
Coffee puck
Pressure and flow profiling curves
How pressure and flow profiling curves influence espresso extraction, and how baristas and researchers use them to optimize flavor and consistency.
Bed depth and hydraulic resistance
How coffee bed depth influences hydraulic resistance in espresso and filter brewing, shaping flow rates, extraction uniformity, and flavor balance.
Headspace measurement and consistency
Why measuring and maintaining consistent puck headspace is crucial for even extractions and how to achieve it reliably.
Channeling detection and mitigation
How to detect espresso channeling, understand its causes, and apply puck preparation techniques to prevent it.
Paper filters and puck screens
How paper filters and metal puck screens are used in espresso preparation to improve extraction, cleanliness, and consistency.