A SYSTEMATIC INVESTIGATION OF THE EFFECTS OF VARIOUS BULBOUS BOWS ON RESISTANCE OF FISHING BOATS
In this study, Delta (Δ), Nabla (∇) and Elliptical (O) shaped bulbs are implemented to ITU Fishing Boats Series hull forms of 148/3, 148/4, 148/8 and 148/9 in order to determine the most appropriate bulbous bow for fishing vessels. Initially, in defined Fn values, Computational Fluid Dynamics (CFD)...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Faculty of Mechanical Engineering and Naval Architecture
2018-01-01
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| Series: | Brodogradnja |
| Online Access: | http://hrcak.srce.hr/file/284227 |
| _version_ | 1828357353902178304 |
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| author | Dursun Saral Muhsin Aydin Ercan Kose |
| author_facet | Dursun Saral Muhsin Aydin Ercan Kose |
| author_sort | Dursun Saral |
| collection | DOAJ |
| description | In this study, Delta (Δ), Nabla (∇) and Elliptical (O) shaped bulbs are implemented to ITU Fishing Boats Series hull forms of 148/3, 148/4, 148/8 and 148/9 in order to determine the most appropriate bulbous bow for fishing vessels. Initially, in defined Fn values, Computational Fluid Dynamics (CFD) analyses on four main forms are performed by using Realizable Model and Volume of Fluid (VOF) method. The total resistance values obtained by the CFD analyses and by the existing test results via Froude and Hughes methods are compared and examined. Thus, the method and reference values of CFD analyses are determined for the hull forms with bulbs which do not have test results. Subsequently, the CFD results of frictional resistance, pressure resistance and total resistance values for actual hulls and hulls with bulbs are compared. Following the examination of results in terms of CB, L/B and bulb types, it is determined that the elliptical bulb type is the most suitable bulb type for the fishing vessels. |
| first_indexed | 2024-04-14T03:13:08Z |
| format | Article |
| id | doaj.art-e69fb41cdb564c93acfccf7e64998662 |
| institution | Directory Open Access Journal |
| issn | 0007-215X 1845-5859 |
| language | English |
| last_indexed | 2024-04-14T03:13:08Z |
| publishDate | 2018-01-01 |
| publisher | Faculty of Mechanical Engineering and Naval Architecture |
| record_format | Article |
| series | Brodogradnja |
| spelling | doaj.art-e69fb41cdb564c93acfccf7e649986622022-12-22T02:15:33ZengFaculty of Mechanical Engineering and Naval ArchitectureBrodogradnja0007-215X1845-58592018-01-016929311710.21278/brod69207192645A SYSTEMATIC INVESTIGATION OF THE EFFECTS OF VARIOUS BULBOUS BOWS ON RESISTANCE OF FISHING BOATSDursun Saral0Muhsin Aydin1Ercan Kose2Department of Naval Architecture and Marine Engineering Karadeniz Technical University, 61530 Trabzon TurkeyFaculty of Naval Architecture and Maritime Yildiz Technical University, Istanbul, TurkeyDepartment of Naval Architecture and Marine Engineering Karadeniz Technical University, 61530 Trabzon TurkeyIn this study, Delta (Δ), Nabla (∇) and Elliptical (O) shaped bulbs are implemented to ITU Fishing Boats Series hull forms of 148/3, 148/4, 148/8 and 148/9 in order to determine the most appropriate bulbous bow for fishing vessels. Initially, in defined Fn values, Computational Fluid Dynamics (CFD) analyses on four main forms are performed by using Realizable Model and Volume of Fluid (VOF) method. The total resistance values obtained by the CFD analyses and by the existing test results via Froude and Hughes methods are compared and examined. Thus, the method and reference values of CFD analyses are determined for the hull forms with bulbs which do not have test results. Subsequently, the CFD results of frictional resistance, pressure resistance and total resistance values for actual hulls and hulls with bulbs are compared. Following the examination of results in terms of CB, L/B and bulb types, it is determined that the elliptical bulb type is the most suitable bulb type for the fishing vessels.http://hrcak.srce.hr/file/284227 |
| spellingShingle | Dursun Saral Muhsin Aydin Ercan Kose A SYSTEMATIC INVESTIGATION OF THE EFFECTS OF VARIOUS BULBOUS BOWS ON RESISTANCE OF FISHING BOATS Brodogradnja |
| title | A SYSTEMATIC INVESTIGATION OF THE EFFECTS OF VARIOUS BULBOUS BOWS ON RESISTANCE OF FISHING BOATS |
| title_full | A SYSTEMATIC INVESTIGATION OF THE EFFECTS OF VARIOUS BULBOUS BOWS ON RESISTANCE OF FISHING BOATS |
| title_fullStr | A SYSTEMATIC INVESTIGATION OF THE EFFECTS OF VARIOUS BULBOUS BOWS ON RESISTANCE OF FISHING BOATS |
| title_full_unstemmed | A SYSTEMATIC INVESTIGATION OF THE EFFECTS OF VARIOUS BULBOUS BOWS ON RESISTANCE OF FISHING BOATS |
| title_short | A SYSTEMATIC INVESTIGATION OF THE EFFECTS OF VARIOUS BULBOUS BOWS ON RESISTANCE OF FISHING BOATS |
| title_sort | systematic investigation of the effects of various bulbous bows on resistance of fishing boats |
| url | http://hrcak.srce.hr/file/284227 |
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