A CFD Study of the Hydrodynamic Characteristics of an Autonomous Underwater Helicopter
A new autonomous underwater vehicle (AUV) has high maneuverability near the bottom and a direction turnaround ability, called the autonomous underwater helicopter (AUH). This paper numerically investigates the hydrodynamic performance of the AUH. A Reynolds-Averaged Navier–Stokes (RANS) equation, a...
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| Format: | Article |
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MDPI AG
2024-10-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/14/21/9733 |
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| author | Hoang-Phuong Vu Thanh-Long Le Tran-Hanh Phung Thanh-Truong Nguyen Thi-Hong-Nhi Vuong Tran-Phu Nguyen |
| author_facet | Hoang-Phuong Vu Thanh-Long Le Tran-Hanh Phung Thanh-Truong Nguyen Thi-Hong-Nhi Vuong Tran-Phu Nguyen |
| author_sort | Hoang-Phuong Vu |
| collection | DOAJ |
| description | A new autonomous underwater vehicle (AUV) has high maneuverability near the bottom and a direction turnaround ability, called the autonomous underwater helicopter (AUH). This paper numerically investigates the hydrodynamic performance of the AUH. A Reynolds-Averaged Navier–Stokes (RANS) equation, a computational fluid dynamics (CFD) technique, is applied to analyze the AUH’s behavior. Investigations of the AUH’s hydrodynamic characteristics become more obvious with a service speed in the range of 0.4–1.2 m/s. For the same velocity condition, the resistance of the AUH increases, and the irregular eddy at the rear of the AUH expands with changes in the angles of attack and the length/height ratio. Essential design characteristics including pressure, velocity distribution, and velocity streamlines are shown and analyzed. These insights can be used as a guideline to reduce drag force and optimize the AUH profile for future designs. It has great potential for improving the AUH’s control algorithms. |
| format | Article |
| id | doaj-art-a381c49d8143483ea03b05e810dd3f7e |
| institution | DOAJ |
| issn | 2076-3417 |
| language | English |
| publishDate | 2024-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj-art-a381c49d8143483ea03b05e810dd3f7e2025-08-20T02:49:55ZengMDPI AGApplied Sciences2076-34172024-10-011421973310.3390/app14219733A CFD Study of the Hydrodynamic Characteristics of an Autonomous Underwater HelicopterHoang-Phuong Vu0Thanh-Long Le1Tran-Hanh Phung2Thanh-Truong Nguyen3Thi-Hong-Nhi Vuong4Tran-Phu Nguyen5Faculty of Mechanical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 700000, VietnamFaculty of Mechanical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 700000, VietnamFaculty of Mechanical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 700000, VietnamVietnam National University Ho Chi Minh City, Linh Trung Ward, Ho Chi Minh City 700000, VietnamVietnam National University Ho Chi Minh City, Linh Trung Ward, Ho Chi Minh City 700000, VietnamFaculty of Vehicle and Energy Engineering, Ho Chi Minh City University of Technology and Education (HCMUTE), Ho Chi Minh City 70000, VietnamA new autonomous underwater vehicle (AUV) has high maneuverability near the bottom and a direction turnaround ability, called the autonomous underwater helicopter (AUH). This paper numerically investigates the hydrodynamic performance of the AUH. A Reynolds-Averaged Navier–Stokes (RANS) equation, a computational fluid dynamics (CFD) technique, is applied to analyze the AUH’s behavior. Investigations of the AUH’s hydrodynamic characteristics become more obvious with a service speed in the range of 0.4–1.2 m/s. For the same velocity condition, the resistance of the AUH increases, and the irregular eddy at the rear of the AUH expands with changes in the angles of attack and the length/height ratio. Essential design characteristics including pressure, velocity distribution, and velocity streamlines are shown and analyzed. These insights can be used as a guideline to reduce drag force and optimize the AUH profile for future designs. It has great potential for improving the AUH’s control algorithms.https://www.mdpi.com/2076-3417/14/21/9733autonomous underwater vehicleautonomous underwater helicoptercomputational fluid dynamicsnumerical simulationhydrodynamic characteristics |
| spellingShingle | Hoang-Phuong Vu Thanh-Long Le Tran-Hanh Phung Thanh-Truong Nguyen Thi-Hong-Nhi Vuong Tran-Phu Nguyen A CFD Study of the Hydrodynamic Characteristics of an Autonomous Underwater Helicopter Applied Sciences autonomous underwater vehicle autonomous underwater helicopter computational fluid dynamics numerical simulation hydrodynamic characteristics |
| title | A CFD Study of the Hydrodynamic Characteristics of an Autonomous Underwater Helicopter |
| title_full | A CFD Study of the Hydrodynamic Characteristics of an Autonomous Underwater Helicopter |
| title_fullStr | A CFD Study of the Hydrodynamic Characteristics of an Autonomous Underwater Helicopter |
| title_full_unstemmed | A CFD Study of the Hydrodynamic Characteristics of an Autonomous Underwater Helicopter |
| title_short | A CFD Study of the Hydrodynamic Characteristics of an Autonomous Underwater Helicopter |
| title_sort | cfd study of the hydrodynamic characteristics of an autonomous underwater helicopter |
| topic | autonomous underwater vehicle autonomous underwater helicopter computational fluid dynamics numerical simulation hydrodynamic characteristics |
| url | https://www.mdpi.com/2076-3417/14/21/9733 |
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