This is a brewing science question Question 4 (1 point) Darcy\'s Law predicts wh

Question

This is a brewing science question

Question 4 (1 point) Darcy's Law predicts which of the following (as it applies to sparging the mash) A sparging temperature below 78 C prevents extraction of tannins into the sweet wort. Porosity of the bed is proportional to the diameter squared of the grist particles. Faster flow in a lauter tun can be achieved by a smaller bed depth, L, compared to a mash tun Hot sparge water helps to denature proteins and destroy enzymatic activity which were necessary during mash but will not be useful during fermentation.

Explanation / Answer

Darcy's law is used to describe the rate of flow of a liquid through a porous medium. In terms of brewing, it can be used to describe the flow of beer through a filter, Wort is collected more quickly in a shallow system with a large surface area.

Thus Darcy's law predicts faster flow in a lauter tun can be acheived with a small bed depth as compared to a mash tun.

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