Hydrogen could provide a pathway to long-term sustainable aviation provided its use does not excessively penalise aircraft performance and energy efficiency. To assess the implications of hydrogen use in aviation a study on the energy efficiency of kerosene- and hydrogen-fuelled aircraft is presented. The investigation shows that the use of hydrogen for long-range operation can lead to an increase in energy efficiency of up to 12% compared to kerosene. For short-to-medium-range aircraft, on the other hand, the adoption of hydrogen leads to an increase in the mission energy requirement of 5–18%. Storing hydrogen on top of the cabin instead of in tanks located in front and aft of it has a considerable impact on the energy efficiency. The increased weight of the top tanks leads to an increase in energy use of 6 and 19% for the selected notional short-respectively medium-range aircraft.


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    Title :

    On the energy efficiency of hydrogen-fuelled transport aircraft


    Contributors:

    Published in:

    Publication date :

    2015


    Size :

    7 Seiten, 38 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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