On take-off at sea level conditions, the burner section of the JT9D-7 and-15 engines reaches 2,350°F. In the Boeing 747 and McDonnell Douglas DC-10, developing 45,500lb of thrust, the turbine blades need to be kept at some 500° cooler at 1,850°F, to preserve the metal. Two per cent of the total engine airflow streams at a rate of 51b/scc through 2,900 needle thin holes which have to be bored in the baffles.


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    Titel :

    Increasing efficiency


    Erschienen in:

    Erscheinungsdatum :

    1972-09-01


    Format / Umfang :

    3 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Increasing efficiency

    Emerald Group Publishing | 1973


    Increasing efficiency

    Emerald Group Publishing | 1973


    Increasing efficiency

    Emerald Group Publishing | 1972


    Increasing efficiency

    Emerald Group Publishing | 1972


    Increasing efficiency

    Emerald Group Publishing | 1971