THE RESISTANCE EVALUATION OF THE AUTONOMOUS UNDERWATER VEHICLE (AUV) USING THE LOW SPEED WIND TUNNEL TEST

Aries Sulisetyono*, Rinaldi E. Wardhana

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

In the early design stage of an underwater vehicle (UV) is very important to assess a resistance of a body which is operated in under free surface water. An approach in predicting a resistance coefficient of an UV using a wind tunnel equipment is introduced. The open circuit type of wind test in the department of mechanical engineering ITS is utilized on the scaled model test considers to the similarity of Reynold's numbers. The two types of models which are the model without and with appendages of rudder and fin are tested at the five wind speeds from 4.46 m/s to 7.43 m/s consider to the speed design requirements. The computational fluid dynamic (CFD) based on the Reynolds-averaged Navier-Stokes (RANS) and the turbulent flow model of k-ε under FLUENT software are conducted to estimate the UV resistance as same conditions as the model test. Comparison of both approaches for all speeds perform a good closeness result with the average difference around 2% and it verified with published result. The appendages give contribution to increase the UV resistance up to 3 % on average.

Original languageEnglish
Pages (from-to)4355-4366
Number of pages12
JournalJournal of Engineering Science and Technology
Volume17
Issue number6
Publication statusPublished - Dec 2022

Keywords

  • Computational fluid dynamics
  • Resistance
  • Underwater vehicle
  • Wind tunnel

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