Abstract
A novel formulation of the lifting-line theory for marine propellers, based on adaptations from the wing lifting-line theory, is reviewed; the formulation is capable of simulating skewed and raked propellers and incorporates the influence of viscosity on thrust and torque through a nonlinear scheme that changes the location of the control points iteratively. Several convergence studies were previously conducted, assessing the different aspects of the numerical tool; the results indicated convergence for propellers of the Kaplan, KCA, and B-Troost series, which generally cannot be satisfactorily simulated by the classical lifting-line alone. However, no validation process was presented, meaning that the solutions obtained had not yet been shown to agree with experimental or numerical data. Thus, four validation cases are presented in this work, evidencing the advantages and limitations of the proposed model.
| Original language | English |
|---|---|
| Title of host publication | Practical Design of Ships and Other Floating Structures |
| Subtitle of host publication | Proceedings of the 14th International Symposium, PRADS 2019, September 22-26, 2019, Yokohama, Japan- Volume I |
| Editors | Tetsuo Okada, Yasumi Kawamura, Katsuyuki Suzuki |
| Place of Publication | Cham, Switzerland |
| Publisher | Springer |
| Pages | 616-635 |
| Number of pages | 20 |
| ISBN (Electronic) | 9789811546242 |
| ISBN (Print) | 9789811546235, 9789811546259 |
| DOIs | |
| Publication status | Published - 6 Oct 2020 |
| Event | 14th International Symposium on Practical Design of Ships and Other Floating Structures, PRADS 2019 - Yokohama, Japan Duration: 22 Sept 2019 → 26 Sept 2019 |
Publication series
| Name | Lecture Notes in Civil Engineering |
|---|---|
| Volume | 63 LNCE |
| ISSN (Print) | 2366-2557 |
| ISSN (Electronic) | 2366-2565 |
Conference
| Conference | 14th International Symposium on Practical Design of Ships and Other Floating Structures, PRADS 2019 |
|---|---|
| Country/Territory | Japan |
| City | Yokohama |
| Period | 22/09/19 → 26/09/19 |
Funding
Acknowledgments. The authors would like to acknowledge the financial support and scholarship granted by the Coordination for the Improvement of Higher Education Personnel (CAPES), under project 1655506, and the Foundation of the Institute for Technological Research (FIPT).
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 9 Industry, Innovation, and Infrastructure
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SDG 14 Life Below Water
Keywords
- propeller analysis
- propeller design
- propeller lifting-line
- vortex-step method
- propeller
- ship propulsion
- ship propellers
- ships
- lifting line theory
- marine propeller
- numerical data
- numerical tools
- validation
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