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Dive into the research topics where William C. Schneider is active.

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Featured researches published by William C. Schneider.


International Journal of Impact Engineering | 1999

Flexible and deployable meteoroid/debris shielding for spacecraft

E.L. Christiansen; J.H. Kerr; H.M. De la Fuente; William C. Schneider

Abstract The penetration resistance of various flexible multi-layer shielding concepts has been assessed in hypervelocity impact (HVI) tests at NASA Johnson Space Center (JSC) and at Southwest Research Institute (SwRI). The shields tested consist of 3 to 4 spaced bumpers made of ceramic cloth (Nextel 1 ) and a rear wall composed of high-strength cloth (Kevlar 1 ). Low-density polyurethane foam is used between bumper layers and rear wall to deploy the bumpers after the shield is delivered to orbit and maintain bumper standoff while on-orbit. Ballistic limit equations have been derived from the HVI test results. These equations are being used to size shielding for an inflatable module, which is planned for potential use on Space Station.


Journal of Elasticity | 1977

An equilibrium solution for a fluid saturated porous elastic solid

William C. Schneider; Ray M. Bowen

This work concerns the behavior of a binary mixture of a fluid and an isotropic elastic solid in static equilibrium. The displacements are assumed to be small. Thus, the governing partial differential equations are linear. The physical model is sufficiently general to allow for a nonconstant fluid pressure when the mixture is in static equilibrium. The model is applied to the problem of an arbitrary pressure distribution on an isothermal half-space. Among the results of this calculation is an explicit formula for the surface porosity. This parameter gives the fraction of the applied pressure transmitted to the fluid.ZusammenfassungDiese Arbeit behandelt das Verhalten einer binären Mischung eines Flüssigkeit und eines isotropen elastischen Festkorgers im statischen Gleichgewicht. Deformationen sind als klein angenommen. Die beschreibenden partiellen Differentialgleichungen sind dadurch linear. Das physikalische Modell ist allgemein genügend um einen nichtkonstanten Druck zuzulassen, wenn die Mischung im statischen Gleichgewicht ist. Das Modell wird auf das Problem einer willkürlichen druckverteilung auf dem isothermen halbraum angewandt. Unter den Ergebnissen dieser Berechnung ist eine explizite Formel für die Oberflächen porosität. Dieser Parameter gibt den Bruchteil des ausgeübten Druckes an, der auf die Flüssigkeit übertragen wird.


Archive | 2001

Inflatable vessel and method

Jasen L. Raboin; Gerard D. Valle; Gregg A. Edeen; Horacio M. De La Fuente; William C. Schneider; Gary R. Spexarth; Shalini Pandya; Christopher J. Johnson


Archive | 1999

Advanced structural and inflatable hybrid spacecraft module

William C. Schneider; Horacio M. De La Fuente; Gregg A. Edeen; Kriss J. Kennedy; James D. Lester; Shalini Gupta; Linda F. Hess; Chin H. Lin; Richard H. Malecki; Jasen L. Raboin


Archive | 2000

Portable Hyperbaric Chamber

William C. Schneider; James P. Locke; Horacio M. De La Fuente


Archive | 1984

Shuttle-launch triangular space station

William C. Schneider; Reginald B. Berka; Herbert C. Kavanaugh; Kornel Nagy; Richard C. Parish; John A. Schliesing; Paul D. Smith; Frederick J. Stebbins; Clarence J. Wesselski


Archive | 2001

Deceleration-limiting roadway barrier

William C. Schneider; P. James Locke


Archive | 1998

Method and Apparatus for Coupling Space Vehicles

William C. Schneider


Archive | 2004

Spacecraft window assembly

William C. Schneider; Edwin E. Lardizabal


Archive | 2001

Energy absorbing protective shroud

William C. Schneider

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