Award Data

SUPER ACCURATE ADAPTIVE COMPUTATIONAL SCHEMES FOR THE ANALYSIS OF FLUID STRUCTURE INTERACTION AND COMPLEX THREE-DIMENSIONAL INTERNAL FLOWS ARE TO BE DEVELOPED. NEW PETROV-GALERKIN FINITE ELEMENT METHODS FOR SOLVING THE NAVIER-STOKES EQUATIONS. COUPLED WITH THE EQUATIONS OF MOTION OF ELASTIC DUCTS AND MANIFOLDS, ARE TO BE DEVELOPED AND USED TO SIMULATE FLOWS IN AEROSPACE PROPULSION SYSTEMS (SUCH AS ...

ENTECH IS PLEASED TO PROPOSE TO NASA THE DEVELOPMENT OF AN INNOVATIVE CROSSED LENS GALLIUM ARSENIDE PHOTOVOLTAIC CONCENTRATOR, CAPABLE OF PROVIDING AN OPERATIONAL EFFICIENCYOF 22% IN THE SPACE ENVIRONMENT. THE PROPOSED SYSTEM WILL UTILIZE THREE STATE-OF-THE-ART DEVELOPMENTS: (I) A CYLINDRICAL LENS/FRESNEL LENS CROSSED-COUPLED OPTICAL CONCENTRATOR WHICH WILL PROVIDE 96% OPTICAL EFFICIENCY AT 100-20 ...

LACK OF NON-GEOMETRIC KNOWLEDGE IS IDENTIFIED AS A FUNDAMENTAL FLAW OF THE MODELERS UPON WHICH MOST TRADITIONAL THREE-DIMENSIONAL COMPUTER-AIDED DESIGN (CAD) SYSTEMS ARE FOUNDED. A HYBRID REPRESENTATION SCHEME IS OUTLINED WHICH ADDS NON-GEOMETRIC SEMANTICS TO THE TRADITIONAL MODELING METHODS TO FORM A KNOWLEDGE BASE (K-BASE). THE K-BASE SYSTEM OUTLINED BORROWS CONCEPTS FROM ARTIFICIAL INTELLIGENCE ...

THE OVERALL CYCLE EFFICIENCY (HENCE, INPUT POWER REQUIREMENTS) OF REVERSE-BRAYTON CRYOCOOLERS FOR SPACE APPLICATIONS IS HIGHLY SENSITIVE TO THE THERMAL EFFECTIVENESS OF THE HEAT EXCHANGERS. APPLICATIONS FOR THESE CRYOCOOLERS IN SPACE DICTATE THAT THESE HEAT EXCHANGERS BE AS SMALL AND LIGHT AS POSSIBLE. TO DATE, ONLYHEAT EXCHANGERS EMPLOYING ORGANIC MATERIALS HAVE BEEN ABLE TO ACHIEVE THE HIGH THER ...

N/A

IT IS GENERALLY ACCEPTED THAT HIGHER PLANTS WILL SERVE AS IMPORTANT COMPONENTS OF ENVIRONMENTAL CONDITIONING AND FOOD PRODUCTION SYSTEMS FOR FUTURE SPACE OR PLANETARY SURFACE HABITATS. BECAUSE OF STRUCTURAL CONSIDERATIONS IT IS LIKELY THAT ATMOSPHERIC COMPOSITION AND PRESSURE WILL BE RADICALLY DIFFERENT. IN DEFINING GROWTH SYSTEMS FOR ALTEREDATMOSPHERES WE MUST UNDERSTAND HOW PLANTS OPERATE IN GEN ...

THE GOAL OF PHASE I IS DEVELOPMENT OF AN ADVANCED OPTICALLY PUMPED HELIUM MAGNETOMETER CONCEPT. THIS INSTRUMENT WILL MEASURE MAGNETIC FIELDS IN THE 1 TO 10-8 GAUSS RANGE WITH ORDER OF MAGNITUDE IMPROVEMENTS IN SENSITIVITY AND ABSOLUTE ACCURACY OVER EXISTING MAGNETOMETERS. OPTICALLY PUMPED HELIUM ISOTOPES CAN BE OPTICALLY PUMPED AND USED AS MAGNETOMETERS IN THE FOLLOWING THREE MODES: (1) VECTOR MOD ...

Currently, the United States Military encounters many scenarios where soldiers must enter hazardous areas, while maintaining isolation from contaminants such as chemical and biological agents as well as hazardous material exposure. This requires that the soldiers respiratory tract be isolated to prevent exposure to these contaminants. In order to accomplish this, the soldiers wear protective suits ...

Chemical, biological, or toxin attacks in military and civilian settings are a serious and growing concern. Standard first aid for exposure to some chemical warfare agents and toxins includes the immediate administration of relevant antidotes using an autoinjector. When an attack occurs, pre-filled autoinjectors must be immediately available and thus highly portable, and they must be suitable fo ...

Interfaces on existing military chemical/biological protection garments are not designed to fully eliminate macroscopic and microscopic air gaps at folds, fabric surfaces, or hook-and-loop closures, and thus do not provide a hermetic barrier against exposure. Creare proposes to develop a hermetic garment closure system that seals macroscopic and microscopic gaps at interfaces and closures and pro ...