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Influence of clogging to the functionality of pre-propeller energy saving devices

By: Series: Winter Navigation Research Reports ; 129Publication details: Helsingfors : Styrelsen för vintersjöfartsforskning, 2024Description: 31 sISBN:
  • 9789523119062
Subject(s): Online resources: Abstract: Different type of energy saving devices (ESD) can be used to improve the propulsive efficiency of a ship. ESDs are installed to ice-classed new buildings and retrofitted to existing ice-classed vessels and the ESD installations can be expected to increase in the future. The objective of this research is to investigate how clogging of different type of ESDs influences the vessel and propeller performance. The influence of clogging to the propeller performance has been investigated with open-water model tests. Two different WED duct alternatives were chosen for testing: Schneekluth-type duct and Becker Mewis-type duct.
Item type: Reports, conferences, monographs
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Different type of energy saving devices (ESD) can be used to improve the propulsive efficiency of a ship. ESDs are installed to ice-classed new buildings and retrofitted to existing ice-classed vessels and the ESD installations can be expected to increase in the future. The objective of this research is to investigate how clogging of different type of ESDs influences the vessel and propeller performance. The influence of clogging to the propeller performance has been investigated with open-water model tests. Two different WED duct alternatives were chosen for testing: Schneekluth-type duct and Becker Mewis-type duct.