Modeling of On-Shore Facility for Fuel Cell Refueling to Improve TEMESA Ferries
Abstract
This study focuses on designing and developing an onshore hydrogen refueling facility for TEMESA ferries, with a specific pilot project targeting ferry operations between Magogoni and Kigamboni in Tanzania. The transition to hydrogen fuel cell technology is motivated by the need to mitigate greenhouse gas emissions and improve the overall environmental impact of maritime operations, particularly addressing Tanzania’s heavy reliance on fossil fuels for ferry propulsion. The proposed hydrogen refueling facility will produce green hydrogen via water electrolysis using a Proton Exchange Membrane (PEM) electrolyzer. The generated hydrogen will be stored, compressed, and dispensed to the ferries, creating a fully integrated and efficient refueling system. The research methodology combines site selection analysis, system modeling, and equipment specification to optimize the design. Through detailed calculations, the daily hydrogen demand for the TEMESA ferries was determined to be approximately 1,534.28 kg/day, necessitating a power input of 2.97 MW for hydrogen production. Key system components include an onshore low- pressure storage tank, sized at 17,070 m³, and onboard high-pressure storage tanks designed to store hydrogen at 350 bars, ensuring sufficient capacity to meet daily operational requirements. Additionally, the study outlines the necessary specifications for compressors, cooling systems, and dispensers to ensure safe and efficient hydrogen transfer from storage to the ferries. By focusing on the technical and operational aspects of the hydrogen refueling system, this study provides a blueprint for implementing hydrogen fuel cell technology in Tanzania's maritime sector. The successful completion of this pilot project has the potential to pave the way for broader adoption of clean hydrogen technologies in other ferry operations across the country, contributing to the decarburization of Tanzania's transport infrastructure.
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