Abstract
The turn-over channel of turbine blade is an important part of the internal cooling structure of turbine blade. Its flow performance is important for the design of the cooling structure of turbine blade. A real turn-over channel of turbine blade is simplified as an object to be studied about flow performance in a 180° turn-over channel with 90° parallel different height ribs. The efficient pressure distribution in the inner part of the turn-over channel along the channel, including 90° parallel different height ribs is shown. Some efficient pressure increases along the channel because of the irregular changing of channel shape. Correlation formulas of the coefficient of efficient pressure are obtained. Resistance coefficient increases with the increase of the rib height to diameter ratio.
| Original language | English |
|---|---|
| Pages (from-to) | 356-360 |
| Number of pages | 5 |
| Journal | Hangkong Dongli Xuebao/Journal of Aerospace Power |
| Volume | 19 |
| Issue number | 3 |
| State | Published - Jun 2004 |
Keywords
- Aerospace propulsion system
- Efficient pressure
- Height to diameter ratio
- Rib height
- Turn-over channel
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