ABS uses simulation and modeling to address the safety challenge of ammonia

Classification society ABS has combined modelling and computational fluid dynamics to devise emergency response methods for ammonia spills or leaks in ports. A system capable of predicting how an ammonia plume would behave and initiating emergency response is the first stage towards a comprehensive and rapid response plan. This could include offering advice to ports, crews and rescue services, and enable them to respond immediately and effectively to a spill or leak.

Ammonia is increasingly seen as a promising replacement for traditional bunker fuels, with potential for CO2-free emissions, but its high toxicity presents numerous operational challenges, both on and off ship. Using its experience with modelling and simulation for shipping, ABS has devised precise models to replicate ammonia distribution inside engine rooms, allowing specialists to study various venting strategies. By combining these with a dynamic model of an ammonia leak, ABS will be able to predict how an ammonia plume will respond to factors such as wind speed, humidity, and the site of a leak.

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