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Design of a Mechanism and Construction of a Waste Collection Vessel Model for Port Waters

Nikkhooei Shayegh, Hamid Reza | 2024

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 57598 (08)
  4. University: Sharif University of Technology
  5. Department: Mechanical Engineering
  6. Advisor(s): Abbaspour Tehrani Fard, Majid
  7. Abstract:
  8. Today, environmental pollution has become a global issue, affecting both land and air, and oceans are no exception. Marine environments increasingly suffer from various forms of chemical and solid pollution, with floating solid waste among the most prevalent forms. Beaches and ports are the main sources of this waste, a significant portion of which is plastic. With the rapid growth in plastic production, concerns about floating waste have intensified globally. Consequently, numerous cultural initiatives and technological solutions have been proposed to combat this pollution. Waste collection systems are among the most effective approaches, and various types have been implemented. Since Iran also faces this type of pollution, a suitable waste collection system is essential. Therefore, a vessel tailored to the operational and environmental conditions of the region must be carefully chosen.In this research, a waste collection system, specifically a skimmer vessel, was selected after analyzing various economic, operational, and efficiency factors. The vessel was designed using regression methods based on similar systems worldwide and adapted to Iran's operational requirements. This work also led to the development of a comprehensive guideline to facilitate the design of this type of vessel, accounting for three input factors: regional wave height, maximum operational speed, and waste volume in various environments. To verify the vessel's stability, an analysis based on existing standards was conducted, showing satisfactory results. The vessel maintained stability even under critical loading conditions. To estimate the required power for the vessel, the hull’s total resistance was analyzed using computational fluid dynamics. Necessary adjustments, including shaft, engine, and propeller efficiencies, were applied to the resistance calculations, resulting in an optimized power estimation compared to similar vessels. The alignment of these results with similars vessels confirms the accuracy of the developed guidelines. Finally, a scaled model (one-tenth of the original) was constructed to demonstrate system performance. This fiberglass model, equipped with an Arduino board, allows for remote control via Bluetooth. Although adjustments were necessary to account for changes in dimensions and the target waste, the system performed effectively
  9. Keywords:
  10. Waste Collection ; Marine Environment ; Vessel Design ; Waste Collection Vessel ; Skimmer Vessel ; Marine Pollutions

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