Page 17: of Maritime Reporter Magazine (February 2019)

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INSIGHTS: EYE ON DESIGN

Moritz Krijgsman

Moritz Krijgsman is senior project manager at MARIN. MARIN offers simulation, model testing, sea trials and training to the ship- building and offshore industry and governments. [email protected]

ARIN has developed a research nents are fuels cells, batteries, super capacitors, and confguration test environ- electric machines, advanced internal combus- ment: the Zero Emission Lab tion engines and a gearbox for hybrid solutions.

M(ZEL), uniting hydrodynamics Supporting components are storage for energy with future ships’ propulsion and power sys- carriers, electrical infrastructure in DC and AC, tems. The transition from conventional propul- advanced automation and control systems and sion and power systems, based on burning fossil integrated cooling and hVAC systems. fuels, to future systems that do not produce any On the other hand, the engine room hardware harmful emissions requires a digital and physi- connects to the hydrodynamics through a real cal research and test environment to be utilized propeller in the cavitation tunnel and an addi- by the whole maritime sector. tional electric machine which is controlled by

Therefore MARIN is working on ‘hydro sophisticated hydrodynamic algorithms. These

Systems Integration’ to support the transition simulate the dynamical behaviour including ac- towards vessels that have no harmful exhaust celeration and deceleration, cavitation and ven- emissions. A major initiative involves the exten- tilation, behaviour in waves and manoeuvring, sion of the existing cavitation tunnel facility to etc. With simulation, monitoring and big data develop the new Zero Emission Lab. This en- technology, a so-called digital twin of the ZEL gine room of the future integrates power and will be developed as well. The digital building the hydro propulsion system and enables the blocks enables us to build and operate ships representative coupling of the propulsion hy- in virtual reality. The digital twin accounts for drodynamics with the power supply. ZEL is a scaling (efects) and efective system integra- test facility for the research and testing of future tion. This concept fts well with the focus on the marine propulsion and power systems, applying complete lifecycle of ships and the ambition to realistic, dynamic operating profles. On the one make them smarter and cleaner. With the help of hand, ZEL will contain the physical hardware of these facilities, risk and costs will be substan- the future engine room. Typical power compo- tially reduced.

Image courtesy MARIN www.marinelink.com 17