Permeability of glass wool layer for airflow is a property that we need to know to be able to design elements – especially curing oven – on a glass wool production line. In this assignment we wanted to design and make a device that would allow us to measure air flow permeability for different samples of glass wool. Additionally, we wanted to analyse what are the effects of different properties of sample on a air flow permeability. We found out, that air flow permeability depends on air flow speed, density, thickness of a sample, content of binder, fibres thickness and so on.
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