The most perspective cryogenic fuels for use in aviation are liquid hydrogen and liquefied natural gas. As fuel for airborne vehicles hydrogen can be used in liquefied condition at the cryogenic temperature. Having almost three times larger combustion heat it allows to increase load-carrying capacity or flight range of aircraft by 40%. The authors consider the liquid hydrogen use in aviation being the general direction of cryogenic aviation development. At present the equavalent liquid hydrogen cost concerning to passenger-kilometer exceeds kerosene cost in 4 -12 times but the liquefied natural gas cost is lower than kerosene cost in 2,5 -3 times. That's why in Russia it is planned to use liquefied natural gas at the first stage of cryogenic fuels introduction, because its natural reserves exceed 40% from the world ones. Liquefied natural gas use consisting from 90% of methane will allow to solve a number of common cryogenic problem that greatly simplify a transition to liquid hydrogen use in aviation. Experience gained on TU155 experimental aircraft that performed near 100 flights on cryogenic fuel is a foundation for the commercial cryogenic aircraft development.


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    Title :

    Cryogenic aviation in Russia


    Additional title:

    Einsatz von Tieftemperaturtreibstoff in der russischen Luftfahrt


    Contributors:


    Publication date :

    2000


    Size :

    7 Seiten, 6 Bilder


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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