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    Impact of helmet-mounted display visor spectral characteristics on visual performance

    Marasco, P.L. | Tema Archiv | 2002
    , they can be used as the final element in the optical system that relays visual information to the observer. To enhance their usefulness as the ...

    Design and development of the zeolite crystal growth (ZCG) facility

    Fiske, M.R. | Tema Archiv | 1991
    large crystals. To this end, the Battelle Advanced Maeterials Center for the Commercial Development of Space (CCDS) is funding the development ...

    Features of chemical elements migration in the near-surface layers of metals and alloys during thermal cycling

    Smiyan, O.D. / Grigorenko, G.M. / Mikhailovskaya, E.S. et al. | Tema Archiv | 1996
    of surface layers of metallic materials for the space vehicles. Changes of the elementary composition during thermal cycling were recorded by ...

    Detection of cracks in aluminum beams using fiber optic polarimetric sensor

    Ma, Jianjun / Anand Asundi | Tema Archiv | 1999
    On line monitoring of crack development in aircraft in active service is of great significance for flight safety. The fiber optic sensor ...

    Biologically inspired robots as artificial inspectors

    Bar-Cohen, Y. | Tema Archiv | 2002
    engineering tools. For many years, the trend has been to automate processes in order to increase the efficiency of performing redundant tasks where ...

    Crystal growth by solute diffusion in earth-orbit

    Lind, M.D. / Nielsen, K.F. | Tema Archiv | 1991

    Crystal separation from mother solution and conservation under microgravity conditions using inert liquid

    Regel, L.L. / Vedernikov, A.A. / Queeckers, P. et al. | Tema Archiv | 1991
    microgravity is investigated. The goal to be reached is to propose an efficient and simple system. This method has to be applicable for an automatic ...

    Compact spaceflight solution crystal-growth system

    Trolinger, J.D. / Lal, R. / Vikram, C. et al. | Tema Archiv | 1991

    Electrically conductive, low solar absorption, atomic oxygen resistant films for spacecraft thermal and charge control

    Lennhoff, J. / Guiles, M. / Harris, G. et al. | Tema Archiv | 1998
    There is a significant requirement for an electrically conductive thermal control film for the dissipation of spacecraft charging. The ...
    Verlag: Society for the Advancement of Material and Process Engineering (SAMPE) , Covina

    Commercial crystal growth in space

    Wilcox, W.R. | Tema Archiv | 1991
    NASA's Centers for the Commercial Development of Space, many private companies, and government laboratories. Projects range from growth of large ...

    In-situ observation of crystal growth in microgravity by high resolution microscopies

    Katsuo Tsukamoto / Kazuo Onuma | Tema Archiv | 1991
    High resolution in-situ observation methods were developed for the investigation of crystal growth mechanisms from solution phases. Crystal ...

    NASA microgravity materials science program

    Sokolowski, R.S. | Tema Archiv | 1991

    Active sensor wave propagation health monitoring of beam and plate structures

    Giurgiutiu, V. / Bao, Jing-Jing / Wei, Zhao | Tema Archiv | 2001
    Active sensor wave propagation technique is a relatively new method for in-situ nondestructive evaluation (NDE). Elastic waves propagating ...

    Large zeolites - why and how to grow in space

    Sacco, A. jun. | Tema Archiv | 1991

    A flight experiment to investigate microgravity effects on solidification phenomena of selected material

    Maag, C.R. / Hansen, P.A. | Tema Archiv | 1991
    samples has been manifested for flight on STS-42. The first flight of the furnace assembly will a) investigate the p-n junction characteristics ...

    Applications of cold hibernated elastic memory (CHEM) structures

    Sokolowski, W.M. / Hayashi, S. | Tema Archiv | 2003
    volume, and low-cost self-deployable structures for space and commercial applications. The material technology called "cold hibernated elastic ...

    Vibration control of a flexible beam through a smart structure concept

    Goud, A.P. / Umapathy, M. | Tema Archiv | 1998
    Active control has become important in structural systems as an efficient tool for vibration suppression. A cantilever beam has been chosen ...

    Ultralightweight silicon carbide infrared cryogenic telescope

    Anapol, M. / Philippon, R. / Tucker, T. et al. | Tema Archiv | 1995
    silicon carbide telescope is an extremely attractive technology which offers the lightweight and stiffness features of beryllium, the optical ...

    Application of holography to real-time dynamic structural analysis of an advanced graphite-epoxy composite flight control component

    Fein, H. | Tema Archiv | 1998
    for data collection in either actual flight test or wind-tunnel simulations. Advanced optical holography techniques are alternate methods when ...

    Operation of ionic polymer-metal composites in water

    Yim, W. / Kim, K.J. / Paquette, J.W. et al. | Tema Archiv | 2005
    The ionic polymer-metal composite (IPMC) for flexible hydrodynamic propulsor blades can provide many new opportunities in the naval ...

    Development of a repairable IR composite window

    Ondercin, R.J. / Goldman, L.M. / Harker, A.B. | Tema Archiv | 1999
    limiting feature in the readiness and life-cycle costs for such IR systems is the durability of the exposed optical window in the harsh land and ...

    Fragility analysis of transportation networks

    Murachi, Y. / Orikowski, M.J. / Dong, Xuejiang et al. | Tema Archiv | 2003
    -earthquake traffic behavior in animation. This will assist emergency response professionals to gain pre-event insight for developing optimal ...

    Space durable polymeric films: advanced materials for inflatable structures and thermal control applications

    Schuler, P. / Haghighat, R. | Tema Archiv | 1999
    excellent VUV stability and radiation resistance in ground based simulation tests. Two applications for these films include large inflatable ...
    Verlag: Society for the Advancement of Material and Process Engineering (SAMPE) , Covina

    Development of a semi-active friction device to reduce vibration by energy dissipation

    Buaka, P. / Masson, P. / Micheau, P. | Tema Archiv | 2003

    Buckling behavior monitoring of composite wing box model using fiber Bragg grating sensor system

    Hong, Chang-Sun / Ryu, Chi-Young / Lee, Jung-Ryul et al. | Tema Archiv | 2001
    Advanced composites are being extensively used for aerospace structures due to the high stiffness to weight and high strength to weight ...

    Holographic interferometry applied to real-time dynamic modal analysis of an advanced exotic metal alloy airfoil structure

    Fein, H. | Tema Archiv | 1999
    advanced instrumentation for data collection in either actual flight test or wind-tunnel simulations. Advanced optical holography techniques are ...

    3-layered 3D flex based MCM: electrical characterization and reliability issues

    Morrison, W.B. / Railkar, T.A. / Malshe, A.P. et al. | Tema Archiv | 1999
    Polyimide flex is an accepted substrate material for commercial and specialized electronic packaging applications. The advantages of using ...

    Microscale effects of "silicon-on-glass" micromechanical devices. Experimental results and 3D finite element modeling

    Borovkov, A.I. / Pyatishev, E.N. / Lurie, M.S. et al. | Tema Archiv | 2001

    Focal plane array design using IR-SIM software system

    Hess, G.T. / Sanders, T.J. / Newsome, G. et al. | Tema Archiv | 2001

    Health monitoring of structures using fiber optic sensors

    Asundi, A. | Tema Archiv | 1999
    monitoring since the design methodology for these materials is still under development. While conventional NDT methods are improving, an on-line ...

    Imaging ultrasonic sensor system SWISS completed 60000 simulated flight hours to check structural integrity of aircraft subcomponent

    Kress, K.P. / Baderschneider, H.J. / Guse, G. | Tema Archiv | 2003
    Many military platforms such as fighter aircraft are nowadays operated for several decades under sometimes varying missions. Additional ...

    Monitoring of the new Arsta Railway Bridge using traditional and fiber optic sensors

    Enckell-El Jemli, M. / Karoumi, R. / Lanaro, F. | Tema Archiv | 2003
    costs for reparation and maintenance and to ensure the safety of civil infrastructures, there is an increasing need in our society for health ...

    Vibration control of a gossamer toroidal structure using smart material actuators and sensors

    Jha, A.K. / Inman, D.J. | Tema Archiv | 2003
    Gossamer or inflatable structures have been a subject of renewed interest for space applications because of their lightweight, on-orbit ...

    Sound and vibration control tests of Composite panel using piezoelectric sensors and actuators

    Takahashi, K. / Bansaku, K. / Sanda, T. et al. | Tema Archiv | 2001
    We have carried out tests for the sound and vibration control of the CFRP square panel. 500 Hz bandwidth noise through two speakers is ...

    Medical Simulation Training Initiative (MSTI)

    Bauer, J.J. / Magee, J. / Moses, G. et al. | Tema Archiv | 2000
    for the realities of conflict. Training 100,000 active duty military medical personnel is becoming insurmountable. A more effective solution ...

    Numerical simulation of inflatable membrane structures

    Kolar, R. / Whittinghill, C. / Agrawal, B. | Tema Archiv | 2001
    Inflatable structures are effective in space applications, as they are weight, volume and cost competitive. For certain space applications ...

    Impact analysis of automotive structures with distributed smart material systems

    Peelamedu, S.M. / Naganathan, N.G. / Buckley, S. | Tema Archiv | 1999
    material site is predicted accounting for the material properties, piezoceramic thickness, adhesive thickness including the effect of adhesives. A ...

    Lamb wave assessment of fatigue damage in aluminum plates

    Grondel, S. / Moulin, E. / Delebarre, C. | Tema Archiv | 1999
    and compare it with delay evolution. Results are obtained for two types of fatigue sequences. It is experimentally shown that the relative ...

    Vibration and shape control of hinged light structures using electromagnetic forces

    Matsuzaki, Y. / Miyachi, S. / Sasaki, T. | Tema Archiv | 2003
    This paper describes a new electromagnetic device for vibration control of a light-weighted deployable/retractable structure which consists ...

    Neural network application in damage identification using multi-scale sensing data

    Studer, M. / Peters, K. | Tema Archiv | 2003
    different material scales make the identification of damage difficult with a single sensing device. On the other hand, for aerospace applications ...

    Drop-test study of parachute textile with embedded fiber optic sensors

    Li, Min / Li, Yulin | Tema Archiv | 2005
    fiber Bragg grating (FBG) sensors are taken into the comparison between the optical and mechanical testing results. Drop test results from both ...

    Vehicular applications of smart material systems

    Leo, D.J. / Weddle, C. / Naganathan, N. et al. | Tema Archiv | 1998
    The results of an initial investigation in the use of smart material system for automobiles are presented. For this work, a smart material ...

    Challenges in sending large radiology images over military communications channels

    Cleary, K.R. / Levine, B.A. / Norton, G.S. et al. | Tema Archiv | 1997
    and Information Systems (ISIS) Center at GUMC worked with the Army to design, develop and deploy a teleradiology network for the digital ...

    Application of smart materials in automotive structures

    Manz, H. / Breitbach, E. | Tema Archiv | 2001
    The demand in the automobile sector for greater comfort in the vehicle is of high importance alongside the requirements for a low emission ...

    Aeroelastic control of a smart composite plate with delaminations

    Nam, Changho / Chattopadhyay, A. / Kim, Youdan | Tema Archiv | 1999
    designed to enhance the dynamic stability of the delaminated composite wing. The refined higher order theory for analyzing an adaptive composite ...

    Structural health monitoring using FBG sensor in space environment

    Kabashima, S. / Ozaki, T. / Takeda, N. | Tema Archiv | 2001
    expected to be a very useful tool. The authors are developing a health monitoring system for satellites utilizing a FBG (fiber Bragg grating ...

    Integrated wireless piezoelectric sensors

    Ihler, E. / Zaglauer, H.W. / Herold-Schmidt, U. et al. | Tema Archiv | 2000
    the service life, for instance of an aircraft. Complex sensor systems will require significant additional expenditures with respect to cabling ...

    Nonlinear effects of electrorheological fluids and their application in smart avionic systems

    Berg, C.D. / Wellstead, P.E. | Tema Archiv | 1998
    envisaged, for example the control of the passive damping characteristics of a landing gear oleo. This could be beneficial to the airframers by ...

    Development of damage suppression system using embedded SMA foil sensor and actuator

    Ogisu, T. / Nomura, M. / Andou, N. et al. | Tema Archiv | 2000
    Recent studies suggest possible applications of shape memory alloy (SMA) for smart health monitoring and suppression of damage growth. The ...

    Simultaneous monitoring of the corrosion activity and moisture inside aircraft lap joints

    Cooper, K.R. / Ma, Y. / Wikswo, J.P. et al. | Tema Archiv | 2004

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