
Stator Stator Land Leakage Flow High Pressure Region Low Pressure Region Seal Teeth (“Knife Edges”) Rotor
tL cr b f2 h f1 w h/2 θ t rs
L3 L2 L1 Stator Upstream Annuls Stator Land Downstream Annuls tL Seal Teeth Rotor rL,1 rL,2
cr Pup Tup RPMFup Pdown ω
B B A
Coarse Very Coarse Fine Medium
XX YY ZZ T = T = =
Total Temperature (F) Stream Function (lbm/s) Pressure (psia)
Swirl Velocity (ft/s) RPMF % Swirl Velocity
Total Relative Temperature (F) Total Temperature (F)
Axial=6.309” Axial=5.136”
XX YY ZZ
Total Temperature (F) Stream Function (lbm/s) Pressure (psia)
Swirl Velocity (ft/s) RPMF % Swirl Velocity
Total Relative Temperature (F) Total Temperature (F)
Axial=6.309” Axial=5.136”
XX YY ZZ
Total Temperature (F) Stream Function (lbm/s) Pressure (psia)
Swirl Velocity (ft/s) RPMF % Swirl Velocity
Total Relative Temperature (F) Total Temperature (F)
Axial=6.309” Axial=5.136”
XX YY ZZ
5 mil Fixed Pressure 10 mil 15 mil
Fixed Flow 5 mil 10 mil 15 mil
Fixed Flow Fixed Flow
Fixed Flow 5 mil 10 mil 15 mil
Trotor=500F Tstator=500F
Trotor=1500F Tstator=1500F
Trotor=500F No Viscous Heating Tstator=500F No Viscous Heating
tfoil Cell Size