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《中国海洋工程(英文版)》 1999-04
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On the Bandwidth Parameter of Wind-Wave Spectra

LIU Xuehai ZHENG Guizhen XU Delun Graduate Student, Physical Oceanography Laboratory, Ocean University of Qingdao, Qingdao 266003, P. R. China Ph. D. Candidate, Physical Oceanography Laboratory, Ocean University of Qingdao, Qingdao 266003, P. R. China Professor, Physical Oceanography Laboratory, Ocean University of Qingdao, Qingdao 266003, P. R. China  
In light of the analysis of the physical implication and underlying assumption of the bandwidth parameter ε of wave spectrum, a time-averaging method is used to evaluate ε of the JONSWAP spectrum for different sea states. The resulting values of ε , which vary from 0.44 to 0.53 depending on the dimensionless fetch, are physically meaningful and reasonable. The same method is also used to compute ε from wind-wave records measured in a flume under different wind speeds at different fetches. The computed values of ε , which vary with wind fetches and speeds too, are compared with those evaluated for the JONSWAP spectrum.
【Fund】: National Natural Science Foundation of China(Grant No.49676277)
【CateGory Index】: P733
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【References】
Chinese Journal Full-text Database 1 Hits
1 DAI De-jun a,b,QIAO Fang-li a,b,WANG Wei c and YUAN Ye-li a,ba The First Institute of Oceanography,State Oceanic Administration,Qingdao 266061,China b Key Laboratory of Marine Science and Numerical Modeling,State Oceanic Administration,Qingdao 266061,China c Physical Oceanography Laboratory,Ocean University of China,Qingdao 266003,China;Estimation of Wind Wave Frequency Spectra by Use of the Arcsine Law[J];中国海洋工程(英文版);2007-01
【Co-references】
Chinese Journal Full-text Database 5 Hits
1 Liu Shuxue Yu Yuxiu Assistant Researcher, State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology (DUT), Dalian 116024 Professor, State Key Laboratory of Coastal and Offshore Engineering, DUT, Dalian, 116024;Observations and Estimations of Directional Spectrum of Sea Waves[J];中国海洋工程(英文版);1995-01
2 Xue Hongchao and SuDehui Professor, Research Institute of Coastal and Ocean Engineering, Hohai University, Nanjing 210024 Doctor of Dept. of Navigation and Ocean Engineering, Hohai University, Nanjing 210024;Experimental Study of Wave Energy Spectrum in Shallow Water[J];中国海洋工程(英文版);1995-02
3 LU Hongmin, XU Delun and YU Dingyong Senior Engineer, Physical Oceanography Laboratory, Ocean University of Qingdao, Qingdao 266003, P. R. China. Professor, Physical Oceanography Laboratory, Ocean University of Qingdao, Qingdao 266003, P. R. China. Associate Professor, Engineering College, Ocean University of Qingdao, Qingdao 266003, P. R. China.;Spectral Characteristics of Wind-Waves in Laboratory[J];中国海洋工程(英文版);1998-02
4 DAI Dejun WANG Wei QIAN Chengchun and SUN FuPhysical Oceanography Laboratory, Ocean University of Qingdao, Qingdao 266003, China;Surface Elevation Distribution of Sea Waves Based on the Maximum Entropy Principle *[J];中国海洋工程(英文版);2001-02
5 LI Luping and HUANG PeijiFirst Institute of Oceanography, State Oceanic Administration, Qingdao, 266061, China;On the Spectrum Width of Wind Waves[J];中国海洋工程(英文版);2001-02
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