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flowbench1The impulse swirl meter is a tool used on a cylinder head flow-bench to quantify cylindrically swirling intake air motion.  Used predominantly in the optimization of diesel engine intake port design, the swirl meter is a very important tool.  Suffering from stiction and brinelling of the delicate ball bearings, I designed a hydrostatic air-bearing and a viscous vane damper.  I machined the system and it was frictionless and functioned perfectly.