WAVE DIRECTION MEASUREMENT BY A SINGLE WAVE FOLLOWER BUOY.

F. H. Middleton, L. R. LeBlanc, W. I. Sternberger

Research output: Contribution to journalConference articlepeer-review

Abstract

Description of a system for measuring the direction of ocean wave propagation, as well as wave height and period. The system employs a conventional wave-follower buoy, modified so as to provide compass, pitch, and roll signals in addition to the vertical component of buoy acceleration. The modifications are indicated. The pitch, roll, compass, and heave acceleration signals were all processed on the computer in the laboratory to provide a variety of results. This test condition was ideal in that the wind and wave conditions were changing steadily throughout the data recording process. The results presented include the wave height power spectral density, a polar tilt histogram for the buoy motion, and a family of polar plots of the average tilt angle in each 5 degree sector of azimuth of the buoy pitch/roll.

Original languageEnglish (US)
Pages (from-to)1153-1158
Number of pages6
JournalProceedings of the Annual Offshore Technology Conference
Volume2
StatePublished - 1978
Externally publishedYes
EventOffshore Technol Conf 10th Annu, Proc - Houston, TX, USA
Duration: May 8 1978May 10 1978

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Ocean Engineering
  • Energy Engineering and Power Technology
  • Mechanical Engineering

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