According to ABS, a comprehensive safety evaluation has been completed for Hanwha Ocean’s ammonia-fueled gas turbine LNG carrier design. The assessment focused on ammonia dispersion and compliance with safety standards, marking a significant step in the adoption of ammonia as a marine fuel.
Simulation and Safety Analysis
In collaboration with Hanwha Ocean, ABS conducted detailed computational fluid dynamics simulations to evaluate different ammonia release scenarios. These included potential leaks from the engine room, pipeline, and bunkering stations. The study is one of the most extensive in the industry, using multiple scenarios to assess the safety risks of ammonia, known for its toxicity.
Risk Mitigation and Compliance
The analysis confirmed that Hanwha Ocean’s design met the necessary ABS Rules for ammonia toxicity and risk management. The three-dimensional simulations provided insights into ventilation arrangements, vent mast locations, and the positioning of air intakes for manned areas, allowing for risk reduction during the design phase.
Quantitative Risk Assessment
ABS subsidiary, ABSG Consulting Inc., also played a crucial role by conducting a quantitative risk assessment. This helped Hanwha Ocean understand the likelihood of incidents and potential threats, enabling the development of more robust mitigation plans.
Industry Recognition and Future Outlook
At Gastech 2024, Hanwha Ocean received recognition from ABS for its eco-friendly ship technologies, highlighting its commitment to decarbonization. With the insights gained from this safety evaluation, the company aims to optimize its designs, ensuring shipowners can adopt ammonia-powered vessels with confidence.
Conclusion
The collaboration between ABS and Hanwha Ocean represents a pivotal step towards the safe and sustainable use of ammonia as a marine fuel. By leveraging advanced simulations and risk assessments, both organizations are contributing to the maritime industry’s efforts to reduce emissions while ensuring safety remains paramount.
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Source: ABS
