Difficulty of choice between 4- and 5-bladed propeller led to new design attempt which represents compromise; propeller would have dynamic properties between those of even-and odd-bladed propeller, i. e., moderate thrust and torque variations as well as moderate bending moment variations; design was made of 5-bladed " irregular" propeller with nonequal blades and blade spacings; comparisons with regular propellers, behind tanker model, indicate that merits of irregular propeller are open to doubt owing to majority of excited harmonic components.


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    Titel :

    Comparison between vibratory forces of regular and irregular propellers behind single screw ship


    Weitere Titelangaben:

    Int Shipbldg Progress


    Beteiligte:
    Wereldsma, R. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1962


    Format / Umfang :

    6 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :




    Tests with 4-bladed propellers behind single-screw ship model

    Kan, S. / Umezawa, H. | Engineering Index Backfile | 1941


    Screw propellers

    Dyson | Engineering Index Backfile | 1925


    Screw propellers

    Riach, M.A.S. | Engineering Index Backfile | 1920