Long-Term Performance Prediction of Oscillating Wings for Assisting Ship Propulsion at Actual Seas

doi:10.1007/s12204-013-1412-3

Journal of shanghai Jiaotong University (Science) ›› 2013, Vol. 18 ›› Issue (4): 486-492.doi: 10.1007/s12204-013-1412-3

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Long-Term Performance Prediction of Oscillating Wings for Assisting Ship Propulsion at Actual Seas

FENG Pei-yuana* (封培元), MA Ninga,b (马宁), GU Xie-chonga,b (顾解忡)

(a. School of Naval Architecture, Ocean and Civil Engineering; b. State Key Laboratory of Ocean Engineering, Shanghai Jiaotong University, Shanghai 200240, China)
(a. School of Naval Architecture, Ocean and Civil Engineering; b. State Key Laboratory of Ocean Engineering, Shanghai Jiaotong University, Shanghai 200240, China)

Online:2013-08-28 Published:2013-08-12
Contact: FENG Pei-yuan(封培元) E-mail:peiyuanfeng@sjtu.edu.cn

Abstract

Abstract: In order to raise ship energy efficiency, the possibility of wave energy recovery by a pair of coilspring connected oscillating wings for assisting ship propulsion in waves is investigated. A frequency domain hydrodynamic model based on potential theory is established to predict the effect of the oscillating wings on the ship in regular waves, in terms of reducing wave-added resistance and improving seakeeping performance. The proposed linear model is suitable for short-term prediction based on conventional spectral analysis techniques, thus making it possible to evalute the long-term performance of oscillating wings for assisting ship propulsion at actual seas based on wave statistics. A sample containership is adopted to study the performance of the proposed concept. The results show that the oscillating wings can effectively reduce the added resistance of the ship at actual seas. The feasibility of this green ship technology is proved.

Key words: long-term prediction| oscillating wing| ship propulsion| actual seas

摘要： In order to raise ship energy efficiency, the possibility of wave energy recovery by a pair of coilspring connected oscillating wings for assisting ship propulsion in waves is investigated. A frequency domain hydrodynamic model based on potential theory is established to predict the effect of the oscillating wings on the ship in regular waves, in terms of reducing wave-added resistance and improving seakeeping performance. The proposed linear model is suitable for short-term prediction based on conventional spectral analysis techniques, thus making it possible to evalute the long-term performance of oscillating wings for assisting ship propulsion at actual seas based on wave statistics. A sample containership is adopted to study the performance of the proposed concept. The results show that the oscillating wings can effectively reduce the added resistance of the ship at actual seas. The feasibility of this green ship technology is proved.

关键词: long-term prediction| oscillating wing| ship propulsion| actual seas

CLC Number:

FENG Pei-yuana* (封培元), MA Ninga,b (马宁), GU Xie-chonga,b (顾解忡). Long-Term Performance Prediction of Oscillating Wings for Assisting Ship Propulsion at Actual Seas[J]. Journal of shanghai Jiaotong University (Science), 2013, 18(4): 486-492.

References

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[8] International Towing Tank Committee (ITTC). Report of Seakeeping Committee [C]//Proceedings of 12th International Towing Tank Conference. Rome, Italy: ITTC, 1969: 1-10.
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Long-Term Performance Prediction of Oscillating Wings for Assisting Ship Propulsion at Actual Seas

Long-Term Performance Prediction of Oscillating Wings for Assisting Ship Propulsion at Actual Seas

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[1]	FENG Peiyuana,MA Ninga,b，GU Xiechonga,b. Application of Wave Energy Recovery by Oscillating Wings in Energy-efficient Ship Propulsion [J]. Journal of Shanghai Jiaotong University, 2013, 47(06): 923-927.
[2]	LU Jingming1,2,ZHOU Haigang2,DING Libing2,BAO Suning2,MA Jie1 . Influence of Ocean Waves on Ship Propulsion Shaft [J]. Journal of Shanghai Jiaotong University, 2010, 44(10): 1409-1413.