Because of its high efficiency, fuel cell technology may be used to launch a new generation of more-electric aeropropulsion and power systems for future aircraft. Electric-motor-driven airplanes using fuel-cell powerplants would be beneficial to the environment because of fuel savings, low noise, and zero carbon-dioxide emissions. In spite of the fuel cell s efficiency benefit, to produce the same shaft drive power, a fuel cell- powered electric-drive system must be definitely heavier than a turbine-drive system. However, the fuel-cell system s overall efficiency from fuel-to-shaft power is higher than for a turbine-drive system. This means that the fuel consumption rate could be lower than for a conventional system. For heavier, fuel-laden planes for longer flights, we might achieve substantial fuel savings. In the airplane industry, in fact, an efficiency gain of even a few percentage points can make a major economic difference in operating costs.


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    Titel :

    Fuel-Cell-Powered Electric Motor Drive Analyzed for a Large Airplane


    Beteiligte:
    G. V. Brown (Autor:in) / B. B. Choi (Autor:in)

    Erscheinungsdatum :

    2005


    Format / Umfang :

    3 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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