Development of a measuring method for determining mash rheology
At the 34th Technological Seminar in Weihenstephan, a measuring system was presented designed to provide an insight into the fundamental rheological properties of mash. The measurement arrangement and latest test results are described and discussed. Based on starch breakdown as the basic hydrolysis process during mashing, the gelatinisation and dissolution phases of polymers are visualised with the measuring system as a function of time and temperature. A wet sieve stack for measuring particle size distribution of the grist in suspended state is presented.
Mash is a mixture of soluble and insoluble solid components and water. In the presence of solids, the flow behaviour of mash changes. These changes are a function of, i.a. This is the liquid in which the solids are dispersed.
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