Fig 1.
ATS containment structure.
Fig 2.
Flowchart of ATS outer casing structure design for the trisection turbine wheel burst.
Table 1.
J-C model material parameters of turbine wheel and containment ring.
Fig 3.
Geometric size and finite element model of turbine wheel and containment ring.
Fig 4.
Mesh of turbine wheel and containment ring.
Fig 5.
Critical thickness determination method.
Fig 6.
Process of the turbine wheel pieces impacting the containment ring with T = 8.35 mm.
Fig 7.
Process of the turbine wheel pieces impacting the containment ring with T = 8.28 mm.
Fig 8.
Deformation of the containment ring with T = 10 mm during the impact process.
Fig 9.
Geometric size and finite element model of four components.
Fig 10.
Mesh of four components.
Table 2.
Two distances between the containment ring and outer casing.
Fig 11.
Process for the trisection wheel burst with d1 = 5.5mm.
Fig 12.
Process for the trisection wheel burst with d2 = 15.6mm.
Fig 13.
Practicality picture of the turbine wheel and containment ring.
Fig 14.
Containment test system.
Fig 15.
Practicality picture of containment test.
Fig 16.
Burst speed for two containment tests.
Fig 17.
Process of the containment tests of the trisection wheel burst with d1 (5.5mm).
Fig 18.
Process of the containment tests of the trisection wheel burst with d2 (15.6mm).
Fig 19.
Damage condition of four components.
Table 3.
Damage condition of two containment tests.