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Stator

Stator. Stator Land. Leakage Flow. High Pressure Region. Low Pressure Region. Seal Teeth (“Knife Edges”). Rotor. t L. c r. b. f 2. h. f 1. w. h/2. θ. t. r s. L 3. L 2. L 1. Stator. Upstream Annuls. Stator Land. Downstream Annuls. t L. Seal Teeth . Rotor. r L,1. r L,2.

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Stator

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  1. Stator Stator Land Leakage Flow High Pressure Region Low Pressure Region Seal Teeth (“Knife Edges”) Rotor

  2. tL cr b f2 h f1 w h/2 θ t rs

  3. L3 L2 L1 Stator Upstream Annuls Stator Land Downstream Annuls tL Seal Teeth Rotor rL,1 rL,2

  4. cr Pup Tup RPMFup Pdown ω

  5. B B A

  6. Coarse Very Coarse Fine Medium

  7. XX YY ZZ T = T = =

  8. Total Temperature (F) Stream Function (lbm/s) Pressure (psia)

  9. Swirl Velocity (ft/s) RPMF % Swirl Velocity

  10. Total Relative Temperature (F) Total Temperature (F)

  11. Total Temperature no viscous work (F)

  12. Axial=6.309” Axial=5.136”

  13. XX YY ZZ

  14. 10 Mil Clearance

  15. Total Temperature (F) Stream Function (lbm/s) Pressure (psia)

  16. Swirl Velocity (ft/s) RPMF % Swirl Velocity

  17. Total Relative Temperature (F) Total Temperature (F)

  18. Axial=6.309” Axial=5.136”

  19. XX YY ZZ

  20. 15 Mil Clearance

  21. Total Temperature (F) Stream Function (lbm/s) Pressure (psia)

  22. Swirl Velocity (ft/s) RPMF % Swirl Velocity

  23. Total Relative Temperature (F) Total Temperature (F)

  24. Axial=6.309” Axial=5.136”

  25. XX YY ZZ

  26. 5 mil Fixed Pressure 10 mil 15 mil

  27. Fixed Pressure

  28. Fixed Flow 5 mil 10 mil 15 mil

  29. Fixed Flow Fixed Flow

  30. Fixed Flow 5 mil 10 mil 15 mil

  31. Trotor=500F Tstator=500F

  32. Trotor=1500F Tstator=1500F

  33. Trotor=500F; Tt,rel Contours

  34. Trotor=500F No Viscous Heating Tstator=500F No Viscous Heating

  35. tfoil Cell Size

  36. Pressure (psia)

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