TRC-SFD-1-07 - Tribology Group - Texas A&M University
TRC-SFD-1-07 - Tribology Group - Texas A&M University
TRC-SFD-1-07 - Tribology Group - Texas A&M University
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Absolute Pressure [bar]24001.75Pressure @ discharge groove 60 Hz, 62 μm1.53001.2512000.750.51000.25Pressure @ <strong>SFD</strong> landFilm thickness000 5 10 15 20time*w [rad]Film thickness [um]Figure 22 Dynamic pressure measurements at <strong>SFD</strong> land and discharge groove (includingfilm thickness at sensor location). (60 Hz, 62 μm orbit amplitude, supply pressure= 31 kPa,no thru-flow)Absolute Pressure [bar]21.751.51.2510.750.50.250Air ingestiontime*w [rad]Pressure @ discharge groove 400Film thicknessPressure @ <strong>SFD</strong> land50 Hz, 74 μm00 5 10 15 20300200100Film thickness [um]Figure 23 Dynamic pressure measurements at <strong>SFD</strong> land and discharge groove (includingfilm thickness at sensor location). (50 Hz, 74 μm orbit amplitude, supply pressure= 31 kPa,no thru-flow)34
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