Future earth-to-orbit vehicles will utilize reusable internal fuel tanks requiring most of the vehicle volume. Because weight reduction and volumetric efficiency are essential, these tanks will be integral to the vehicle structure, and the vehicle cross section will dictate the size and shape of the tank. For a fuselage with a noncircular cross section, a multibubble tank configuration may be employed. Multibubble tanks offer a reduction in tank weight over a single-lobe tank or several cylindrical tanks in a noncircular cross section but sacrifice the efficiency of utilizing the entire fuselage cross section. This paper includes a general configuration analysis of a double-bubble tank, a materials and efficiency study, and a complete mission design analysis centers on sizing the tank to withstand ascent and reentry loads while minimizing the structural weight.
Design considerations for honeycomb double-bubble tanks utilized in aerospace vehicles
01.04.1990
Aufsatz (Konferenz)
Keine Angabe
Englisch
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