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open access

Aerodynamic, structural, and trajectory analysis of ASTRID-1 vehicle

Description: The Johns Hopkins University/Applied Physics Laboratory, JHU/API, in support of Lawrence Livermore National Laboratory, LLNL, is conducting aerodynamic, trajectory, and structural analysis of the Advanced Single Stage Technology Rapid Insertion Demonstration (ASTRID) vehicle, being launched out of Vandenberg Air Force Base (VAFB) in February 1994. The launch is designated ASTRID-1 and is the first in a series of three that will be launched out of VAFB. Launch dates for the next two flights have… more
Date: February 10, 1994
Creator: Glover, L. S.; Iwaskiw, A. P.; Oursler, M. A.; Perini, L. L. & Schaefer, E. D.
open access

Rehabilitation of the South Jetty, Ocean City, Maryland

Description: Partial abstract: Frequent dredging requirements and scouring at the foundation of Ocean City Inlet's south jetty resulted in a study to determine the source of the shoaling and scouring. The study concluded that sand was being transported northward along Assateague Island, through and over the south jetty, and deposited inside the inlet. The sand was then transported north by ebb currents where it encroached on the Federal navigation channel. A rehabilitation program was initiated to create a … more
Date: March 1994
Creator: Bass, Gregory P.; Fulford, Edward T.; Underwood, Steven G. & Parson, Larry E.
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