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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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Comparative Study between Results of Theoretical Calculation and Model Test for Performance Confirmation of "Crown Duct",;;;

한국해양공학회지, 2014. vol.28. 1, pp.1-5 crossref(new window)
선미유동 제어용 수직판 제원 변화에 따른 유동특성 연구,김도정;오우준;박제웅;정세민;

해양환경안전학회지, 2016. vol.22. 5, pp.576-582 crossref(new window)
A study on the Development of Energy-Saving Device "Crown Duct", Journal of Ocean Engineering and Technology, 2012, 26, 5, 1  crossref(new windwow)
Asaumi. T., Ikeda. T., Tamashima. M. and Shinohara. H. (2006). "Effectiveness of an Energy Saving Device 'Friend Fin', Conference Proceedings". The Japan Society of Naval Architecture and Ocean Engineering, Vol 3, pp 261-264. crossref(new window)

Kang, Y.D., Kim, M.C., and Chun, H.H. (2004). "A Study on the Design of Biased Asymmetric Pre-swirl Stator Propulsion System", J. of Society of Naval Architects of Korea, Vol 41, No 3, pp 13-21. crossref(new window)

Kim, M.C., Lee, J.T., Suh, J.C. and Kim, H.C. (1993). "A Study on the Asymmetric Preswirl Stator System" J. of Society of Naval Architects of Korea, Vol 30, No 1, pp 30-44.

Lee, K.J., Joa, S.W., Parkm M. and Lee, Y.W. (1992). "An Experimental Study on the Ship Performance Improving Appendages" , Hull Form 92 Proceeding , 1.60-1.67.

Lee, J.T., Kim, M.C., Suh, J.C., Kim, S.H. and Choi, J.K. (1992). "Development of a Preswirl Stator-Propeller System for Improvement of Propulsion Efficiency : a Symmetric Stator Propulsion System", Transactions of the Society of Naval Architects of Korea, Vol 29, No 4, pp 132-145.