The design of an autonomous underwater vehicle (AUV) involves complex tradeoffs among various design variables and mission requirements. Particularly important are the selection of a suitable energy source and the sensitivity of vehicle dimensional characteristics to mission requirements. A method of comparison based on an approximate but comprehensive approach which refers to specific parameters derivable from known designs or literature is suggested. Specific energy and energy density of candidate systems are derived with due consideration to depth-resistant vessels. The impact of the energy system choice is highlighted, going beyond simply comparing the former parameters. A design model has been developed, allowing quick sensitivity and mass-volume breakdown of alternative configurations under varying mission requirements; these are exemplified with reference to a design case. The procedure allows the correct specification of power, energy, and surface-handling systems for more detailed comparative analyses, given a common project goal and a basis for realistic cost comparison. The results show wide differences in the energy capacity of AUVs complying with identical mission data, but using with different energy systems. It is concluded that rechargeable electric batteries, even of high energy density, result in unacceptably heavy vehicles for ranges around 1000 km unless very low drag characteristics are achieved. Closed-cycle diesel and fuel cell systems allow the AUV mass to be kept below 10 t.


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    Title :

    Parametric analysis of the configuration of autonomous underwater vehicles


    Additional title:

    Parameter-Analyse der Konfiguration von autonomen U-Booten


    Contributors:

    Published in:

    Publication date :

    1990


    Size :

    10 Seiten, 9 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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