247. Digital Computer Calculation of Space Vehicle Propellant Tank Volume Under Flight Conditions
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Paper
Abstract
The successful development of a high performance space booster is the result of considerable attention to details, one of these significant details is the sum of the effects that pressure, temperature, structural mass, liquid head acceleration, etc. have on the propellant tank volumes. This effect has been studied at Convair-Astronautics, and a digital computer program was developed which will compute the resulting volume changes,
A description of this program and the results which are obtained from it are the subject of this paper, as an aid in describing the program a general flow diagram is included.
The propellant tanks for a hypothetical space vehicle were computed by means of this program as an example case and the results are presented in graphic form.
Discussion of the results along with the accompanying charts indicates the magnitude of the deflections and volume changes which do occur in thin skin, pressure stabilized propellant tanks, as a result of each of the significant parameters.
