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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Zhou, Lingjiu Wang, Zhengwei Luo, Yongyao Peng, Guangjie |
| Copyright Year | 2008 |
| Abstract | The 3-D unsteady Reynolds averaged Navier-tokes equations based on the pseudo-homogeneous flow theory and a vapor fraction transport-equation that accounts for non-condensable gas are solved to simulate cavitating flow in a Francis turbine. The calculation results agreed with experiment data reasonably. With the decrease of the Thoma number, the cavity first appears near the centre of the hub. At this stage the flow rate and the efficiency change little. Then the cavity near the centre of the hub grows thick and the cavities also appear on the blade suction side near outlet. With further reduce of the Thoma number the cavitation extends to the whole flow path, which causes flow rate and efficiency decrease rapidly. |
| Sponsorship | Fluids Engineering Division |
| Starting Page | 1193 |
| Ending Page | 1197 |
| Page Count | 5 |
| File Format | |
| ISBN | 9780791848401 |
| DOI | 10.1115/FEDSM2008-55242 |
| e-ISBN | 0791838323 |
| Volume Number | Volume 1: Symposia, Parts A and B |
| Conference Proceedings | ASME 2008 Fluids Engineering Division Summer Meeting collocated with the Heat Transfer, Energy Sustainability, and 3rd Energy Nanotechnology Conferences |
| Language | English |
| Publisher Date | 2008-08-10 |
| Publisher Place | Jacksonville, Florida, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Cavitating flow Francis turbine Numerical simulation Computer simulation Flow (dynamics) Francis turbines |
| Content Type | Text |
| Resource Type | Article |
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