Too Hot to Handle: Envelope Density of Volcanic Grains measured with the Powder Flow Cell
The physical properties of materials transported in pyroclastic flows during volcanic eruptions can vary greatly. Measuring the density and porosity of the resulting volcanic grains helps us to understand these eruptive processes better, providing valuable insights into the process of rock formation.
These measurements also serve as essential input parameters for numerical models that simulate the transport of material flowing down volcanic slopes, as well as magma degassing, fragmentation and related processes. This application report talks about the characterization of geological materials collected from the eruptions of two different volcanoes. Here, the envelope density of the samples with complex, irregular shapes and strongly differing porosities was determined with the help of a Powder Flow Cell on a Rheometer.
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