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  • 1
    Online Resource
    Online Resource
    Coastal Engineering Research Council ; 1974
    In:  Coastal Engineering Proceedings , No. 14 ( 1974-01-29), p. 17-
    In: Coastal Engineering Proceedings, Coastal Engineering Research Council, , No. 14 ( 1974-01-29), p. 17-
    Abstract: The paper reports measurements of waves generated by a piston type wave generator. The experiments show that for 0.10 〈 h/L 〈 0.65 the waves produced by a sinusoidal piston motion can be described as a second order Stokes wave superimposed by a free second harmonic wave. Results are presented for the height and phase velocity of the free second harmonic wave and compared with theories by Fontanet (1961) and others. Finally, the height of the free second harmonic wave is successfully reduced by a non-sinusoidal time variation of the piston motion, whereas addition of a rotation to the flap motion appears to yield only minor improvements.
    Type of Medium: Online Resource
    ISSN: 2156-1028 , 0589-087X
    Language: Unknown
    Publisher: Coastal Engineering Research Council
    Publication Date: 1974
    detail.hit.zdb_id: 2628774-2
    Location Call Number Limitation Availability
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  • 2
    Online Resource
    Online Resource
    Coastal Engineering Research Council ; 1976
    In:  Coastal Engineering Proceedings , No. 15 ( 1976-01-29), p. 26-
    In: Coastal Engineering Proceedings, Coastal Engineering Research Council, , No. 15 ( 1976-01-29), p. 26-
    Abstract: An experimental description is presented for 'the transformation of periodic waves which approach breaking on a gently sloping beach. The data include the variation of wave height, phase velocity, wave surface profiles, and the maximum value of the wave height to water depth ratio (H/h)max around the breaking point. The results are compared with the theories of sinusoidal and cnoidal wave shoaling, and the latter is shown in most cases to agree remarkably well when the laminar energy loss along the walls and bottom of the wave tank is included. An empirical relation is established between wave length to water depth ratio L/h at the breaking point and the deep water wave steepness H0/L0. Also the maximum wave height to water depth ratio at breaking shows considerably less scattering than found previously, when plotted versus S = hx L/h, hx being bottom slope.
    Type of Medium: Online Resource
    ISSN: 2156-1028 , 0589-087X
    Language: Unknown
    Publisher: Coastal Engineering Research Council
    Publication Date: 1976
    detail.hit.zdb_id: 2628774-2
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
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