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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Kim, Kyung Chun Kim, Yoon Kee Ji, Ho Seong Beak, Jook Ho Mieremet, Rinus |
| Copyright Year | 2013 |
| Abstract | To investigate the aerodynamic characteristics of an Archimedes spiral wind turbine for urban-usage, both experimental and numerical studies were carried out. The Archimedes spiral blade was designed to produce wind power using drag and lift forces on the blade together. Instantaneous velocity fields were measured by two-dimensional PIV method in the near field of the blade. Mean velocity profiles were compared to those predicted by the steady state and unsteady state CFD simulation. It was found that the interaction between the wake flow at the rotor downstream and the induced velocity due to the tip vortices were strongly affected by the wind speed and resulting rotational speed of the blade. PIV measurements revealed the presence of dominant vertical structures at downstream the hub and near the blade tip. Unsteady CFD simulation results agreed well with those of PIV experiments than the steady state analysis. The power coefficient (Cp) obtained by CFD simulation demonstrated that the new type of wind turbine produced about 0.25, relatively high value compared to other types of urban-usage wind turbine. |
| File Format | |
| ISBN | 9780791856321 |
| DOI | 10.1115/IMECE2013-62734 |
| Volume Number | Volume 7B: Fluids Engineering Systems and Technologies |
| Conference Proceedings | ASME 2013 International Mechanical Engineering Congress and Exposition |
| Language | English |
| Publisher Date | 2013-11-15 |
| Publisher Place | San Diego, California, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Blades Computational fluid dynamics Rotors Wake turbulence Wind velocity Drag (fluid dynamics) Steady state Lift (fluid dynamics) Simulation results Simulation Wakes Wind turbines Cities Horizontal axis wind turbines Wind power |
| Content Type | Text |
| Resource Type | Article |
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