The verification of insulating glass units in ultimate limit state often gives rise to the question of how to take into account the edge seal in the design of the glass panes. Usually the edge seal is calculated as immovable, as this is a more conservative assumption. A flexible edge seal, as to be expected under realistic conditions, leads to a lower climate load and therefore to lower stresses in the glass. In this procedure, the atmospheric pressure was measured as well as the pressure in the cavity, as were the deformations of the edge seal orthogonally to the glass panes.
Climate loads in insulating glass units: comparison of theory and experimental results
Atmospheric pressure, Air pressure, Barometers.
Physics Stack Exchange is a question and answer site for active researchers, academics and students of physics. It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. When I was in high school, my teacher did an experiment to show the power of atmospheric pressure. Experiment: Prepare a glass bottle, fill with water, put a glass plate on the bottle, make sure there is no air in the bottle, just water. Hold the glass bottle and plate, and invert them.
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Germany: another, rather less authentic-looking, caning demonstration in a school museum. Germany: caning demonstration at the school museum in Sulzbach-Rosenberg, 2008, supposedly representing 1875. Germany: caning demonstration at the Bauerhofmuseum in Illerbeuren, Bavaria, 2011. Germany: Preparation for punishment in a village school, painting, 19th century.