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Citation:
 Wenyang Duan and Chuanqing Li.Estimation of Added Resistance for Large Blunt Ship in Waves[J].Journal of Marine Science and Application,2013,(1):1-12.[doi:10.1007/s11804-013-1177-6]
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Estimation of Added Resistance for Large Blunt Ship in Waves

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Title:
Estimation of Added Resistance for Large Blunt Ship in Waves
Author(s):
Wenyang Duan and Chuanqing Li
Affilations:
Author(s):
Wenyang Duan and Chuanqing Li
College of Shipbuilding Engineering, Harbin Engineering University, 150001 Harbin, China
Keywords:
added resistance short waves radiated energy method Salvesen-Tuck-Faltinsen (STF) method extended integral equation (EIE) method large blunt ship
分类号:
-
DOI:
10.1007/s11804-013-1177-6
Abstract:
Under the background of the energy saving and emission reduction, more and more attention has been placed on investigating the energy efficiency of ships. The added resistance has been noted for being crucial in predicting the decrease of speed on a ship operating at sea. Furthermore, it is also significant to investigate the added resistance for a ship functioning in short waves of large modern ships. The researcher presents an estimation formula for the calculation of an added resistance study in short waves derived from the reflection law. An improved method has been proposed to calculate the added resistance due to ship motions, which applies the radiated energy theory along with the strip method. This procedure is based on an extended integral equation (EIE) method, which was used for solving the hydrodynamic coefficients without effects of the irregular frequency. Next, a combined method was recommended for the estimation of added resistance for a ship in the whole wave length range. The comparison data with other experiments indicate the method presented in the paper provides satisfactory results for large blunt ship.

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Memo

Memo:
Supported by the National Natural Science Foundation of China under Grant No.51079032, and the Outstanding Youth Science Foundation of Heilongjiang Province, No.200908.
Last Update: 2013-03-14