Dynamic testing of a methanol-fuelled engine (MENENS)
Type:
Presented during:
CEDA Dredging Days 2026
Authors:
B. Mestemaker, M. Kom, C. van den Berg, M. de Geus, A. Gubbini, R. Helmons and D. Heidelberg
Abstract
The maritime sector is undergoing an energy transition driven by stringent global and local legislation aimed at reducing greenhouse gas emissions. This will result in a change to non-fossil origin fuels with a preference is for simple and short molecules as these are more efficient/less energy intensive to make than synthetic diesel. Methanol shows strong potential as a fuel for work vessels such as dredgers due to its favourable safety profile, environmental impact, energy density, and storage at atmospheric conditions. The safety profile is especially important for dredging vessels as these often have a large crew and operate close to populated areas such as ports and coastal areas. However, the highly transient load profile presents unique challenges for the integration of these engines in the drive system. This research investigates the integration of the Wärtsilä 32 methanol dual-fuel engine in the drive system of existing and future dredging vessels. Both static and dynamic engine tests have been performed to evaluate the integration potential and restrictions. The engines' capabilities are compared against typical operational profiles of trailing suction hopper dredgers and cutter suction dredgers. This research also investigates the potential role of energy storage systems in maintaining and/or enhancing vessels' transient performance and offers insight into the practical deployment of methanol-fuelled engines in demanding maritime applications.