A unit is being designed out of aluminium, and will have a lid to cover the main enclosure, but not sealed. The box needs to have a vent hole in it to ensure there is no pressure build up inside the unit. The vent hole has to meet the following requirements:-
Maximum pressure decay rate of 70...
I have a thin ceramic tape formed into a disc (washer shape)- 0.2mm thick, external diameter 30mm, internal diameter 13mm. This works through a temperature range of 0 - 1000 degrees C. The change to the internal diameter through this temperature change is around 1.5mm. The material has a Youngs...