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Development of Complex Energy Saving Device
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 Title & Authors
Development of Complex Energy Saving Device
Lee, Kwi-Joo; An, Jung-Sun;
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A complex energy saving device has been developed for middle class vessels. The propulsive performance of the developed device is described through a model test. The pre-swirl stator, which recovers the rotational energy of the propeller slipstream, is a well-known energy saving device for large vessels. The pre-swirl stator for a large vessel is usually cast as a part of the stern frame and has a high cost. The manufacture of a cast stator for an existing vessel is almost impossible. The complex device that was developed can be fitted on astern frame by welding. The model tests show a 4-6% efficiency gain for middle class vessels with the developed appendages compared to those with bare hulls.
Energy saving device;Stator;Complex energy saving device;
 Cited by
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