Les technologies d'écologisation sont constamment en voie de développement et d'amélioration. Notre objectif est de garder les données à jour et d'inclure les derniers résultats des recherches en cours dans le domaine de l'écologisation de la flotte.
Technologie | Description | Solutions |
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Amélioration de l'hélice | The efficiency of a ship propeller grows with its diameter. However, propellers of inland ships have a rather small diameter because of limited available water depth. As a consequence the efficiency of is rather low as these propellers have to produce a relatively large thrust. Nowadays, naked propellers are seldom applied to inland ships as the power absorption is limited about 300 kW/m2 propeller disc area. |
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Propeller outflow optimisation Amélioration de la coque |
The difference in velocity of the propeller slipstream (high velocity) and aft ship flow (low velocity) causes additional turbulence behind the ship. The energy needed to produce turbulence is at the expense of efficient ship propulsion. |
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