首页|Experimental study and uncertainty analysis on added resistance and pressure distribution of KVLCC2 in regular short waves

Experimental study and uncertainty analysis on added resistance and pressure distribution of KVLCC2 in regular short waves

扫码查看
原文链接
  • NETL
  • NSTL
  • Elsevier
© 2024 Elsevier LtdThis study investigates the added resistance experienced by the KVLCC2 vessel in extremely short wave conditions， addressing the challenges posed by the increasing size of modern ships， which results in shorter relative wavelengths in actual sea conditions。 Using a 4。5-m-long seakeeping model in a 280-m-long towing tank， experiments were conducted to analyze the added resistance in head waves with a wavelength ratio below 0。3。 The effects of wave steepness and local pressure distribution， particularly in the bow region， were also examined on the KVLCC2 standard model for the first time。 The reasons for the reduction in wave added resistance coefficient with increasing wave steepness were discussed， and three distinct distribution patterns are analyzed according to the physical mechanism of wave added resistance。 Additionally， two distinct movement restriction systems were developed， allowing for a comparative evaluation between surge-fixed and surge-free conditions。 A comprehensive uncertainty analysis， following ITTC guidelines， reveals that Type A uncertainty of measuring added resistance and Type B uncertainty related to wave amplitude， are two dominant factors in the combined uncertainty。 These findings improve the understanding of the physical mechanisms behind added resistance in extremely short waves， which is critical given the ongoing trend of vessel enlargement in the maritime industry。

Added resistance in wavesKVLCC2Short wavesTowing tank testsUncertainty analysis

Zhang Z.、Ma N.、Shi Q.、Wen Y.、Zhang Y.

展开 >

State Key Laboratory of Ocean Engineering Shanghai Jiao Tong University||School of Ocean and Civil Engineering Shanghai Jiao Tong University||Institute of Marine Equipment Shanghai Jiao Tong University||Research Institute for Applied Mechanics Kyushu University

State Key Laboratory of Ocean Engineering Shanghai Jiao Tong UniversityState Key Laboratory of Ocean Engineering Shanghai Jiao Tong UniversityState Key Laboratory of Ocean Engineering Shanghai Jiao Tong University||School of Ocean and Civil Engineering Shanghai Jiao Tong University||||Institute of Marine Equipment Shanghai Jiao Tong University||

State Key Laboratory of Ocean Engineering Shanghai Jiao Tong University||School of Ocean and Civil Engineering Shanghai Jiao Tong University||Institute of Marine Equipment Shanghai Jiao Tong University

State Key Laboratory of Ocean Engineering Shanghai Jiao Tong University||School of Ocean and Civil Engineering Shanghai Jiao Tong University||China COSCO Shipping Co. Ltd.

Shanghai Ship and Shipping Research Institute Co. Ltd.

展开 >

2025

10.1016/j.oceaneng.2024.120093

Ocean Engineering

Ocean Engineering

SCI
ISSN：0029-8018
年,卷(期)：2025.317(Feb.1)
  • 37