The effects of fuselage cross-section (circular and elliptical) and structural arrangement (integral and nonintegral tanks) on the performance of actively cooled hypersonic cruise vehicles was evaluated. It was found that integrally machined stiffening of the tank walls, while providing the most weight-efficient use of materials, results in higher production costs. Fatigue and fracture mechanics appeared to have little effect on the weight of the three study aircraft. The need for thermal strain relief through insulation is discussed. Aircraft size and magnitude of the internal pressure are seen to be significant factors in tank design.


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    Title :

    A fuselage/tank structure study for actively cooled hypersonic cruise vehicles: Structural analysis


    Contributors:

    Publication date :

    1975-01-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English