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THE RESEARCH IS BASED ON A NOVEL CONCEPT OF FLOW ANALYSIS, WHICH POSTULATES THAT THE LINEAR CONSTANT MONOTONOUS FLOW RATE AS NOW GENERALLY ADOPTED IN ALL TYPES OF FLOW ANALYSIS, CAN BE REPLACED BY A FLOW PATTERN, AS LONG AS THIS FLOW PATTERN CAN BE MAINTAINED AND STRICTLY REPRODUCED FROM ONE ANALYSIS CYCLE TO THE NEXT. THIS IN TURN ALLOWS USE OF A SINUSOIDAL FLOW, GENERATED BY A PAIRED SYRINGE PUM ...

SEVERAL AEROSPACE VECHICLES ARE CURRENTLY BEING CONSIDERED THAT HAVE A SIGNIFICANT PORTION OF THEIR FLIGHT PATH IN THE UPPER REACHES OF THE ATMOSPHERE. THE FLOW ABOUT THESE VEHICLES IS IN THE CONTINUUM-TRANSITION REGIME WHERE THE STANDARD EQUATIONS OF CONTINUUM FLOW, THE NAVIER-STOKES EQUATIONS, BEGIN TO FALL. THIS PROJECT WILL MODIFY THE HANA CODE, AN EXISTING NAVIER-STOKES CODE FOR THE ANALYSIS ...

ADVANCED SHORT TAKEOFF/VERTICAL LANDING AIRCRAFT ARE DESIGNED TO USE EXHAUST JETS DIRECTLY TO INCREASE LIFT. BEING ABLE TO MODEL NUMERICALLY THE FLOW FIELDS INVOLVED IN THESE DESIGNS WOULD GREATLY IMPROVE THE DESIGN PROCESS. THIS PROJECT WILL DEVELOP A COST-EFFECTIVE FLOW ANALYSIS TOOL FOR MODELING POWERED-LIFT AIRCRAFT FLOW FIELDS. A KEY INGREDIENT IN THE DEVELOPMENT OF A PRACTICAL FLOW ANALYSIS ...

COMPUTATIONAL FLUID DYNAMICS (CFD) METHODS GENERATE VAST AMOUNTS OF NUMERICAL DATA THAT MUST BE DISPLAYED GRAPHICALLYFOR USE. CURRENT GRAPHICAL COMPUTER SOFTWARE PROGRAMS CAN DISPLAY DATA ONLY ON LINES OR ON SURFACES DEFINED IN THE COMPUTATIONAL GRID. CFD SOFTWARE USERS DESIRE TO DISPLAY CFD DATA ON ARBITRARY SURFACES THAT MAY NOT CONFORM WITH THE COMPUTATIONAL GRID. A SOFTWARE PROGRAM WILL BE DEV ...

THE LONG-TERM GOAL OF THIS RESEARCH IS TO DEVELOP QUANTITATIVE OPTICAL IMAGING METHODS FOR BIOENERGETIC STUDIES OF TISSUE. METHODS WILL BE DEVELOPED FOR THE OPTICAL DETERMINATION OF TISSUE OR CIRCULATORY OXYGEN CONCENTRATION BASED ON PALLADIUM PORPHYRIN PHOSPHORESCENCE QUENCHING BY COLLISIONAL INTERACTION WITH MOLECULAR OXYGEN. DURING PHASE I, PALLADIUM PORPHYRINS WILL BE SYNTHESIZED AND SOFTWARE ...

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IN THE U.S. THERE ARE OVER 24,753 ACRES OF CONTAINER-GROWN NURSERY PLANTS. REPORTED ANNUAL RATES OF APPLICATION OF NITROGEN (N) FERTILIZER RANGE FROM 1036 TO 4730 POUNDS OF N PER ACRE. DETERMINATIONS OF THE ENVIRONMENTAL FATE OF THE APPLIED NITROGEN SHOWS THAT ONLY 5-8% OF THE APPLIED NITROGEN IS INCORPORATED INTO THE PLANT. THE U.S. ANNUAL PRODUCTION OF 24,753 ACRES OF CONTAINER-GROWN WOODY NURSE ...

HUMAN MICROVASCULAR ENDOTHELIAL CELLS (MVEC) REMAIN LARGELY UNSTUDIED DUE TO DIFFICULTIES IN ESTABLISHING AND MAINTAINING CELL CULTURES. WE SEEK TO DEVELOP A PRODUCT CONSISTING OF HUMAN ADIPOSE TISSUE-DERIVED MVEC AND AN OPTIMIZED DEFINED, SERUM-FREE CULTURE SYSTEM. A STANDARD IN VITRO SYSTEM WILL ADVANCE RESEARCH INTO PROCESS AND INTERACTIONS INVOLVED IN HUMAN DISEASE. CELL SYSTEMS HAS DEVELOPED ...

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