Numerical Prediction of Propeller-Hull Interaction Characteristics Using RANS Method
| Autor: | Minh Vu Nguyen, Tu Tran Ngoc, Thi Hai Ha Nguyen, Thi Thu Quynh Nguyen, Do Duc Luu |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
thrust deduction
Flow (psychology) Naval architecture. Shipbuilding. Marine engineering interaction VM1-989 020101 civil engineering Ocean Engineering 02 engineering and technology 01 natural sciences 010305 fluids & plasmas 0201 civil engineering Quantitative Biology::Cell Behavior Hull hull 0103 physical sciences Volume of fluid method wake fraction Mathematics Physics::Biological Physics Mechanical Engineering Propeller Solver Rigid body Rotating reference frame relative rotative efficiency rans equations propeller Reynolds-averaged Navier–Stokes equations Marine engineering |
| Zdroj: | Polish Maritime Research, Vol 26, Iss 2, Pp 163-172 (2019) |
| ISSN: | 2083-7429 |
| Popis: | The paper presents the results of computational evaluation of the hull-propeller interaction coefficients, also referred to propulsive coefficients, based on the unsteady RANS flow model. To obtain the propulsive coefficients, the ship resistance, the open-water characteristics of the propeller, and the flow past the hull with working propeller were computed. For numerical evaluation of propeller open-water characteristics, the rotating reference frame approach was used, while for self-propulsion simulation, the rigid body motion method was applied. The rotating propeller was modelled with the sliding mesh technique. The dynamic sinkage and trim of the vessel were considered. The free surface effects were included by employing the volume of fluid method (VOF) for multi-phase flows. The self-propulsion point was obtained by performing two runs at constant speed with different revolutions. The well-known Japan Bulk Carrier (JBC) test cases were used to verify and validate the accuracy of the case studies. The solver used in the study was the commercial package Star-CCM+ from SIEMENS. |
| Databáze: | OpenAIRE |
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