Application of nozzles Nozzles are applied to increase thrust at low ship speed. Typical examples of low speed operation are: ■Bollard pull ■Dynamic positioning ■Fishing ■Heavy lift vessels ©Wartsila 5 WARTSILA
© Wärtsilä 5 Application of nozzles Nozzles are applied to increase thrust at low ship speed. Typical examples of low speed operation are: Bollard pull Dynamic positioning Fishing Heavy lift vessels
Application of nozzles Basic principle of nozzle:section acts similar as wing section o Pressure distribution around nozzle changes due to propeller action Additional thrust ++++++++++ O ©Wartsila WARTSILA
© Wärtsilä 6 Application of nozzles Basic principle of nozzle: section acts similar as wing section Pressure distribution around nozzle changes due to propeller action Additional thrust