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Leakage speed at the labby seals are dependent to temperature, delta pressure between fwd-aft side, RPM, gas density, viscosity, closure at the seal rotor-stator interface. Didn't get the hazardous portion, "hazardous" is an adjective it's not a physical property.

1D and 2D stacks are the most common ones however, there are specific problems that requires to perform 3D stacks. Stack ups are usually made for room temperature but for the applications requires function in a wide temperature range, thermal effects on the geometry should be utilized in the...

If there is resource, preparing 30 specimens for testing against the equation and refining the assumed parameters based on the normalized test results might work. Tackling with friction coefficients might be frustrating.

Usually I use "press fit" equation from "Advanced Strength of Materials" textbooks and that equation yields the interface pressure. The interface pressure is one of the big contributors. If possible I prefer to use very similar materials with similar strength to avoid the complexity. For the...

First of all, thanks again to everyone that helped me while figuring out the issue I had. I've talked with my supplier and just put a REF dimension for that feature. So I'm ok now. Hold on, this is not an answer for the question. Here nobody asks you how to design/dimension a part. The question...

Hello everyone, I have designed a steel part for machining and while drafting it, I fully defined all the functional surfaces as precise as needed. Then moved into other features but there are some features that I don't want them to fully dimension and restrict with tolerances because these...