Accuracy improvement of directional spectrum estimation with submerged ultrasonic Doppler-type directional wave meter

Masao Mitsui, Noriaki Hashimoto, Hiroyasu Kawai, Masaki Yokota, Yasushi Kitamura

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

4 被引用数 (Scopus)

抄録

An upgraded submerged Doppler-type directional wave meter can measure 10 wave quantities related to directional wave motions, i.e. water surface elevation, 3 components of water particle velocities at each layer of 3 different water depth ranging from shallow to deep. In this study, accuracy of directional spectrum estimation is comprehensively investigated for various cases where directional spectra are estimated with various sets of different number of wave quantities. As a result, accuracy improvement is generally confirmed in various wave conditions when all the quantities are applied to the estimations, compared with the cases where conventional 4 wave quantities are applied to the estimations. Moreover, the advantage of BDM with the improved computation method was confirmed.

本文言語英語
ホスト出版物のタイトルProceedings of the 21st (2011) International Offshore and Polar Engineering Conference, ISOPE-2011
ページ380-386
ページ数7
出版ステータス出版済み - 2011
イベント21st International Offshore and Polar Engineering Conference, ISOPE-2011 - Maui, HI, 米国
継続期間: 6 19 20116 24 2011

出版物シリーズ

名前Proceedings of the International Offshore and Polar Engineering Conference
ISSN(印刷版)1098-6189
ISSN(電子版)1555-1792

その他

その他21st International Offshore and Polar Engineering Conference, ISOPE-2011
Country米国
CityMaui, HI
Period6/19/116/24/11

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Ocean Engineering
  • Mechanical Engineering

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