Award Data

THIS PROJECT FOCUSES ON THE TWO MOST IMPORTANT ISSUES OF ALL OF COMPUTATIONAL FLUID DYNAMICS: 1) HOW GOOD ARE THE NUMERICAL ANSWERS OBTAINED IN A COMPUTATION? AND 2) HOW CAN THE BEST POSSIBLE ANSWERS BE OBTAINED FOR A FIXED AND LIMITED COMPUTATIONAL EFFORT, BUDGET, OR COMPUTING CAPABILITY? IN GENERAL TERMS THE ANSWERS TO THESE QUESTIONS ARE 1) TO DETERMINE RELIABLE A-POSTERIORI ESTIMATES OF ERROR ...

ABSTRACT: The proposed phase II effort would work to establish new advanced insulation techniques and their corresponding design guidelines that could be employed to reduce the volume existing pulsed power systems, improve their reliability, and possibly improve their mechanical integrity. Additionally, the design of a new pulser is proposed, which will be based on the insulation schemes identifi ...

THE MOST CRITICAL ASPECT OF THE RADIO FREQUENCY POWER SUPPLY FOR THE NEUTRAL PARTICLE BEAM INTEGRATED EXPERIMENT IS ITS POWER TO WEIGHT RATIO. IN ADDITION, THE SPACE-QUALIFIED 45V POWER SUPPLY MUST BE ABLE TO SUPPLY 27,000 AMP PULSES DOWN TO 350 MICROSECONDS WITH ONLY A 2 - 3% VOLTAGE DROP. PROTON EXCHANGE MEMBRANE FUEL CELLS HAVE POTENTIALLY THE HIGHEST POWER TO WEIGHT RATIO OF ANY TYPE OF FUEL C ...

Our Phase I project addressed the challenge of creating a new paradigm for the development of software in which developers evaluate the performance of software architecture and design options early when it can have the greatest impact. Our vision moves software performance analysis from an isolated set of tools that require laborious manual transfer of information among design and analysis tools t ...

THE CONTRACTOR SHALL DEVELOP A FUZZY SET METHODOLOGY FOR UNCERTAINTY ANALYSIS IN PROBABILISTIC SEISMIC SAFETY ASSESSMENT OF NUCLEAR POWER PLANTS. FUZZY SET LOGIC WILL BEUSED FOR COLLECTING, QUANTIFYING AND PROPAGATING SUBJECTIVE,ENGINEERING JUDGEMENT USED IN THE UNCERTAINTY ANALYSIS. IN PHASE I, FEASIBILITY OF THE PROPOSED APPROACH WILL BE DEMONSTRATED BY APPLYING IT TO SELECTED PARTS OF A PROBABI ...

Organophosphorus chemical warfare nerve agents (OP-CWA) are attractive to terrorist groups and rogue states as an inexpensive and accessible technology for chemical warfare. OP-CWA and organophosphate pesticides cause severe neurological symptoms and death by inhibiting the enzyme acetylcholinesterase (AChE); the resulting excess acetylcholine accumulates and overstimulates the human or animal bo ...

This Phase 2 project targets the completion of the development of an improved system for the broadcasting of the WWVB signal, as a direct continuation of the Phase 1 project, which successfully validated the proposed approach through a feasibility study and analyses. Objectives of this project include the design of the new modulation scheme and protocol, the development of a new time-code generato ...

THE PURPOSE OF THE PROPOSED RESEARCH IS TO DEMONSTRATE A SOFTWARE SYSTEM THAT MAKES CORRELATIONAL/FACTOR TYPE ANALYSES OF LARGE DATA BASES PRACTICAL ON MICROCOMPUTER-CLASS MACHINES, AND IS ABLE TO COMPUTE THE SIGNIFICANCE OF PSYCHOPHYSIOLOGICAL MEASUREMENTS AT A SPEED THAT MAKES REAL-TIME FEEDBACK CONTROL MECHANISMS POSSIBLE. THE SOFTWARE PROTOTYPE DEVELOPED WILL ACCESS A DATA BASE COMPOSED OF A W ...

Traumatic Brain Injury accounts for 1525% of all combat casualties and on today"s battlefield, 30-40% of all injuries have a head injury component. The implication of TBI related injuries on the fighting force is that unit readiness is slowed as a result of diminished soldier reaction time and behavioral issues that may reduce the soldier"s responsiveness. Current methods of TBI diagnosis vary f ...

BASED ON OUR RESEARCH, WE FEEL THAT THE STAINING PROPERTIES OF SITS (4-ACETOAMIDO-4'-ISOTHIOCYANOSTILBENE 2,2' DISULPHONIC ACID), A REAGENT WHICH ENABLES IN SITU VISUALIZATION AND DISCRIMINATION AMONG LIVING, DYING AND DEAD CELLS, MAKE IT A GOOD CANDIDATE FOR USE IN AN APPROPRIATELY DESIGNED INSTRUMENT. WE PROPOSE AN AUTOMATED VIDEO MICROSCOPE WITH MEMORY AND POSSIBLE REMOTE VIEWING CAPABILITY. IT ...