Abstract
The paper investigates the dynamic response of single and multiple rotor Darrieus-type vertical axis water turbines in order to determine the best configuration. Three configurations are considered: A single two-bladed rotor, a twin two-bladed rotor with blades aligned, and a twin two-bladed rotor with rotor blades offset by 90 degrees in azimuth. The Double-Multiple Streamtube model is employed to compute hydrodynamic loads and turbine performance. The structural dynamic response of the turbines is determined through the spinning finite element approach in which the turbines are modeled using 3D beam elements. The study reveals that the twin two-bladed rotor with blades aligned is structurally more resilient than the other two configurations.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 23rd International Offshore and Polar Engineering Conference, ISOPE 2013 |
| Pages | 597-604 |
| Number of pages | 8 |
| State | Published - 2013 |
Publication series
| Name | Proceedings of the International Offshore and Polar Engineering Conference |
|---|---|
| ISSN (Print) | 1098-6189 |
| ISSN (Electronic) | 1555-1792 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Double-multiple streamtube model
- Finite element method
- Hydrokinetic energy
- Multiple rotors
- Structural dynamics
- Water turbine
ASJC Scopus subject areas
- Energy Engineering and Power Technology
- Ocean Engineering
- Mechanical Engineering
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