<abstract xmlns="http://www.w3.org/1999/xhtml"><p>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.</p></abstract>

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.

Numerical Prediction of Propeller-Hull Interaction Characteristics Using RANS Method

Polish Maritime Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The paper presents the results of computational evaluation of the hull-propeller interaction coefficients, also referred to propulsive coefficients, based on...

Numerical Prediction of Propeller-Hull Interaction Characteristics Using RANS Method

Pubblicato online: 12 lug 2019

Pagine: 163 - 172

DOI: https://doi.org/10.2478/pomr-2019-0036

Parole chiave
Propeller, interaction, hull, wake fraction, thrust deduction, relative rotative efficiency, RANS equations

© 2019 Tran Ngoc Tu et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Numerical Prediction of Propeller-Hull Interaction Characteristics Using RANS Method

Pubblicato online: 12 lug 2019

Pagine: 163 - 172

DOI: https://doi.org/10.2478/pomr-2019-0036

Parole chiavePropeller, interaction, hull, wake fraction, thrust deduction, relative rotative efficiency, RANS equations

© 2019 Tran Ngoc Tu et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Parole chiave
Propeller, interaction, hull, wake fraction, thrust deduction, relative rotative efficiency, RANS equations