The tangential strain at the junction of two rings in tangential direction should be
equal:
X ðnÞ
t
¼
1
E
r t;n þ 1 À lr r;n þ 1
À
Á ðnÞ ¼
1
E
r t;n À lr r;n
À
Á ðnÞ
That is,
plane
plane
Fig. 9.49 Radial stress solution diagram
Fig. 9.50 Nonuniform
thickness disk
148
9 High-Temperature and High-Speed Gas Turbine Pump …
equal:
X ðnÞ
t
¼
1
E
r t;n þ 1 À lr r;n þ 1
À
Á ðnÞ ¼
1
E
r t;n À lr r;n
À
Á ðnÞ
That is,
plane
plane
Fig. 9.49 Radial stress solution diagram
Fig. 9.50 Nonuniform
thickness disk
148
9 High-Temperature and High-Speed Gas Turbine Pump …