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EN | VI

Ground coffee is hydrophobic until the cellular structure breaks down. The initial "bloom" phase—where water forms droplets on the coffee bed—is governed by the for capillary pressure:

When you pour hot water over ground coffee beans in a filter, a series of complex physical processes occur. The water flows through the coffee, extracting the flavors, oils, and solids that give coffee its characteristic taste and aroma. To understand these processes, let's break down the brewing process into its individual components:

. While often summarized in specialized texts like Jonathan Gagné’s The Physics of Filter Coffee