Abstract
ABSTRACTThis paper presents a description of a pneumatic system as an alternative to electric power for driving auxiliary pumps. An analysis is made which compares the supply and demand of such a system aboard a gas turbine propelled destroyer. Sources of air supply are evaluated and compared with pumping power demands. The suitability/payoff/penalty associated with separate (motor driven) compressor, engine driven compressor, and simple engine bleed are evaluated. A source of air is chosen and then used in a total ship “trade‐off” between pneumatic and electric sea water pumps.A second analysis is presented along similar lines which compares pneumatics with 60Hz and 400Hz power alternatives on a Surface Effect Ship. Comparisons are made in weight reduction of alternative design options.Finally, a discussion is presented regarding the suitability of the “pneumatic concept” as it pertains to Navy shipboard use. Conclusions are reached which indicate where the concept has its most attractive application.
Published Version
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