Abstract
Detailed measurements of the low speed flow in annular turbine cascades were made to obtain the three-dimensional static pressure distribution and the aerodynamic characteristics of the two types of turbine cascades which have the aft-loading profile. One of them is the conventional straight blades cascade and the other is the curved blades cascade. The test results show that adopting the aft-loading technology can improve the 3D pressure distribution of the flow field, especially near the endwall area, and it would improve the static pressure coefficient distribution at spanwise farther by using the curved blades. Effectively matching the aft-loading profile and the curved blades can reduce the energy loss of the turbine cascade greatly.
| Original language | English |
|---|---|
| Pages (from-to) | 537-542 |
| Number of pages | 6 |
| Journal | Tuijin Jishu/Journal of Propulsion Technology |
| Volume | 24 |
| Issue number | 6 |
| State | Published - Dec 2003 |
| Externally published | Yes |
Keywords
- Aft-loading
- Energy loss
- Guide vane
- Pressure distribution
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