Study on EnergySaving Rudder Bulb Fin Combination Based on Surface Panel Method

Abstract

Abstract: Rudderbulbfin is a kind of simple combined energysaving device. According to the method of propellerrudder system performance calculation, the steady interference between propeller and rudderbulbfin system in uniform flow was predicted by potential based surface panel method. The energysaving effect of rudder with bulbfin was compared with common rudder and rudder with bulb. Changing dimensions, the principal parameters (bulb size, fin size and installation angle) that affect energysaving effect was studied. The theoretical studies show that the energysaving effect of rudderbulbfin is better than that of rudderbulb and the design of rudderbulbfin has optimal bulb size, fin size and installation angle.

Key words: rudder-bulb-fin, energy-saving, surface panel method, propeller

CLC Number:

U 664.36

LIU Ye-Bao, SU Yu-Min, SHEN Hai-Long, JU Lei. Study on EnergySaving Rudder Bulb Fin Combination Based on Surface Panel Method[J]. Journal of Shanghai Jiaotong University, 2012, 46(03): 374-378.

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