Development of a novel fuel treatment system for ship engines by the use of high intensity ultrasound

Informations projet

N° de convention de subvention: BRST985382

Projet clôturé

Date de début 1 Novembre 1998

Date de fin 30 Avril 2001

Financé au titre de

• Specific research and technological development programme in the field of industrial and materials technologies, 1994-1998

Coût total

Aucune donnée

Contribution de l’UE

Aucune donnée

Coordonné par

OY ACOMARIN ENGINEERING LTD
Finland

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Livrables

ULTRASAFF: Development of a novel fuel treatment sys-tem for ship engines by the us of high intensity ultrasound

The objectives of the ULTRASAFF project were the development of three technical innovations for merchant ship operation: finer filtration, homogenisation and emulsification of heavy fuel oil and water by making use of ultrasonic energy. Within the project a filtration unit (FU) and homogenising units (HU) were to be developed. The development comprised the design, the formation of physical/mathematical finite element models for calculation of the mechanical performance (Eigenvalues /Eigenforms) under the exciting forces of ultrasonic pulses with consequential design optimisation. Furthermore the sonotrodes and transducers had to be designed and modified to fit into the units. Following these steps the units had to be manufactured and implemented into the heavy fuel oil treatment system in order to verify their performance. Following successful tests a full scale prototype unit had to be designed, manufactured and tested ashore and finally on board of a ship. Results: Three different homogenizing units were designed, modelled and manufactured for 20 kHz, 7kHz and 1kHz ultrasonique excitation. Two of these units were successfully tested in the HFO-treatment system of the Institut fur Schiffsbetriebsforschung. One 5µm filtration unit was designed, modelled, manufactured and successfully tested. Finally a full-scale homogenising unit for the supply of a ship engine of 10000KW was developed and tested ashore. Prototype Units have been produced and successfully tested in a research testing facility. The ULTRASAFF objectives: to develop innovative solutions for finer filtration, homogenisation and emulsification for the benefit of improved economical and environmental performance of merchant ship propulsion systems have fully been met.