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Louis Snyder stephen
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Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
Un paracaídas, perfeccionado, del tipo que posee en combinación con un dispositivo aéreo dotado de una forma de ala aerodinámica constituida por un elemento laminar superior, flexible, del cual se prolongan una serie de nervios que definen canales de paso de aire que se extienden desde un borde delantero del elemento laminar superior hacia el borde posterior del mismo, existiendo medios para la suspensión de una carga, útil del dispositivo aéreo, por medio de una serie de cuerdas de suspensión, caracterizado por comprender medios de anclaje para conectar las cuerdas de suspensión por lo menos a algunos de los nervios y elementos de distribución de esfuerzos montados en dichos nervios, para transmitir la tensión en dichas cuerdas de suspensión a zonas localizadas del elemento laminar flexible superior, entre el borde delantero y el borde posterior del mismo.
Influence of the dust content of the flow on the results of hypersonic wind tunnel experiments(Dust content effect on hypersonic wind tunnel flow test results, noting drag force on slender and blunt nosed models)
Influence of the vortex system of a wing in the absence of lift on the flow past the wing at small angles of attack(Air flow past small aspect ratio thick-section wing at small angles of attack, investigating vortex system effect on flow characteristics in absence of lift)
Approximate method of calculating the aerodynamic characteristics of a wing in the presence of a cylindrical body(Aerodynamic characteristics of low-aspect-ratio wing mounted on cylindrical body, simulating by system of horseshoe vortices)