PENGARUH THRUST DEDUCTION FACTOR DAN WAKE FRACTION TERHADAP EFISIENSI PROPULSI AKIBAT PERUBAHAN DRAFT KAPAL

Main Article Content

Muhammad Sawal Baital Baital
Kusnindar Priohutomo
Jatmika Prajayastanda
Solichin Djazuli Sa'id

Abstract

This study is to investigate propulsion efficiency due to changes in draught of ship using data series and theoretical approach. A hard chain rescue boat with triplet screw was used for the study and to examine the effect of thrust deduction factor and wake fraction due to changes in draught of ship and its relevance to propulsion efficiency by observing hull and propeller interaction based on openwater test by Wageningen Data Series with cavitations analysis has been neglected. The study is done using hydrodynamics analysis for planning hull and using intersection between thrust characteristic curve with openwater test data series for fixed pitch propeller. The result indicated that the changes in ship draught are very influential on the changes in thrust deduction factor and wake fraction value which is one of the contributing factor to change the propulsion efficiency value 1% - 5%.

Article Details

Section
Naskah Jurnal (Artikel)

References

Andersson, J., Eslamdoost, A., Capitao Patrao, A., Hyensjö, M., Bensow, R.E., 2018. Energy Balance Analysis of a Propeller in Open Water. Ocean Engineering Journal. https://doi.org/10.1016/j.oceaneng.2018.03.067

Baital, M.S., Putranto, A.B., Waluyo, B.S., 2020. Analisa Engine Propeller Matching (EPM) pada Kapal Rescue Boat karena Perubahan Tahap Powering Process. Gema Teknologi Undip. https://doi.org/10.14710/gt.v21i1.32266

Carlton, J., 2012. Marine Propellers and Propulsion, 3rd edition. Butterworth-Heinemann. Elsevier. https://doi.org/10.1016/C2010-0-68327-1

Kuiper, G., 1992. The Wageningen Propeller Series. Maritime Research Institute Netherlands Publication.

Molland, A.F., 2011. The Maritime Engineering Reference Book: A Guide to Ship Design, Construction and Operation. Butterworth-Heinemann. Elsevier.

Molland, A.F., Turnock, S.R., Hudson, D.A., 2017. Ship Resistance and Propulsion. Cambridge University Press. https://doi.org/10.1017/9781316494196

Pecoraro, A., Di Felice, F., Felli, M., Salvatore, F., Viviani, M., 2013. Propeller-hull Interaction in a Single-Screw Vessel. 3rd International Symposium on Marine Propulsors SMP 13.

Pena, B., Muk-Pavic, E., Ponkratov, D., 2019. Achieving a High Accuracy Numerical Simulations of The Flow Around a Full Scale Ship. Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE. https://doi.org/10.1115/OMAE2019-95769

Renilson, M., 2015. Propulsion. Springer Briefs Application Science and Technology. Springer International Publishing. https://doi.org/10.1007/978-3-319-16184-6_5

Ridha, N.M., Utama, I., 2017. Studi Kasus: Analisis Peningkatan Efisiensi Thrust Akibat Penerapan Energy Saving Device pada Kapal Tanker Pertamina (Persero) 40000 LTDW dengan Ansys Fluent Menggunakan Metode Moving Mesh. Jurnal Teknik ITS. https://doi.org/10.12962/j23373539.v6i1.22907

Vesting, F., 2015. Marine Propeller Optimisation - Strategy and Algorithm Development. Disertasi. Chalmers University of Technology. Sweden.

Yousefi, R., Shafaghat, R., Shakeri, M., 2013. Hydrodynamic analysis techniques for high-speed planing hulls. Applied Ocean Research Journal. https://doi.org/10.1016/j.apor.2013.05.004