Paper Title: Numerical Modeling of a Very Large Crude Oil Carrier Using ANSYS CFX: A Case Study of Salina
H Hakimzadeh, Department of Marine Sciences, Faculty of Natural Resources and Environment, Science and Research Branch, Islamic Azad University, Iran
M Torabi Azad, Department of Physical Oceanography, North Tehran Branch, Islamic Azad University, Iran
M A Badri, Isfahan University of Technology, Research Institute for Subsea Sciences & Technology, Iran
F Azarsina, Department of Marine Structures, Faculty of Engineering, Science and Research Branch, Islamic Azad University, Iran
M Ezam, Department of Marine Sciences, Faculty of Natural Resources and Environment, Science and Research Branch, Islamic Azad University, Iran
Specification of the frictional resistance values of tankers is the first step in managing their fuel consumption. Drag force of a very large crude oil carrier has been calculated using the numerical simulation method. With application of the ANSYS CFX software, the scaled model of the mentioned tanker with the length of 2.74 meters, width of 0.5 meters, draft of 0.17 meters was used for numerical simulation of the drag force in the tanker. Furthermore, the numerical solution of the drag force of the model was performed for 5 different speeds ranging from 0.65 to 0.85m/s. Based on the validations carried out, with mean drafts of 8 and 16.5cm, the difference between the results of the experimental and numerical models at low speeds was about 7%. However, the difference was observed to be up to 15% at higher Froude numbers. The results of the present study with respect to the SALINA are based on the method presented in ISO 19030 standard addressing the performance monitoring during vessel servicing.
Transactions RINA, Vol 161, Part A4, International Journal Maritime Engineering, Oct - Dec 2019
DOI No: 10.3940/rina.ijme.2019.a4.560
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