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An Analysis of Weapon System Cost Growth
- Jeffrey A. Drezner, Jeanne M. Jarvaise, R. W. Hess, P. G. Hough, Daniel M. Norton
- Economics
- 1993
Abstract : Cost growth in weapon system development, one result of the inherent risk of developing advanced systems, has been a prevalent problem for many years. A systematic bias in cost estimates…
Ionic Conduction in Nanostructured Membranes Based on Polymerized Protic Ionic Liquids
- Yanika Schneider, M. Modestino, B. McCulloch, Megan L. Hoarfrost, R. W. Hess, R. Segalman
- Materials Science
- 12 February 2013
Polymerized ionic-liquids (PILs) are promising materials whose ionic properties can be tuned based on their chemistry. By incorporating PILs into block copolymer (BCP) structures, it is possible to…
Dynamic Calibration of Pressure Transducers
- R. W. Hess, W. T. Davis, P. Davis
- Physics
- 1 April 1985
Sinusoidal calibration signal produced in 4- to 100-Hz range. Portable oscillating-pressure device measures dynamic characteristics of pressure transducers installed in models or aircraft at…
Ignition of Fabrics Under Radiative Heating
- W. Wulff, N. Zuber, A. Alkidas, R. W. Hess
- Engineering, Physics
- 1 February 1973
Abstract Experiments have been performed to develop test methods for the purpose of assessing fabric ignition characteristics with respect to the fabric burn injury potential. Thermophysical fabric…
Calculated and measured stresses in simple panels subject to intense random acoustic loading including the near noise field of a turbojet engine
- L. W. Lassiter, R. W. Hess
- Engineering
- 1 September 1957
Flat 2024-t3 aluminum panels measuring 11 inches by 13 inches were tested in the near noise fields of a 4-inch air jet and turbojet engine. The stresses which were developed in the panels are…
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