Research Article
Influences of Tip Cooling Injection on Tip Clearance Control at Design and Off-Design Incidences
Table 1
Cascade geometric parameters.
| Blade span H/mm | 120 | Blade chord C/mm | 77 | Blade axial chord Cax/mm | 60 | Blade pitch s/mm | 55 | Tip clearance t/mm | 2 | Turning angle/deg | 119 | Zweifel number | 1.01 | Inlet flow angle/deg | 52.4 | Outlet flow angle/deg | 66.6 | Injection mass flow/passage mass flow | 1% | Injection plenum pressure/KPa | 230 |
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