Abstract:MICROWAVE COUPLING SIMUATION CODES (MCCS) ARE REQUIRED FOR MODELING SUSCEPTIBILITY OF MILITARY SYSTEMS TO HIGH POWER MICROWAVES (HPM). MCCS ASSIST IN DETECTION OF SYSTEM WEAKNESSES TO HPM AND IN EVALUATING PROPOSED HPM-HARDENING TECHNOLOGY. THE RAPIDLY INCREASING NEED TO ESTABLISH SYSTEM… more
Abstract:THE MEASUREMENT OF ATMOSPHERIC WATER VAPOR OR HUMIDITY IS CRITICAL IN MANY RESEARCH AND COMMERCIAL APPLICATIONS. A BETTER KNOWLEDGE OF WATER VAPOR DISTRIBUTION THROUGHOUT THE ATMOSPHERE IS NECESSARY FOR UNDERSTANDING TROPOSPHERIC AND STRATOSPHERIC CHEMISTRY, STRATOSPHERIC-TROPOSPHERIC EXCHANGE, THE… more
Abstract:A FAST-RESPONSE METHOD FOR MEASUREMENT OF WATER VAPOR CONCENTRATIONS IN HIGH TEMPERATURE FLOWS IS NEEDED FOR RESEARCH ON HYPERSONI AIRBREATHING ENGINES AS WELL AS OTHER APPLICATIONS IN COMBUSTION RESEARCH OR CONTROL. THE PROPOSED INNOVATION WILL UTILIZE INEXPENSIVE ROOM TEMPERATURE LASER DIODES TO… more
Abstract:MULTIAXIS VIBRATION TESTING CONTRIBUTES SUBSTANTIALLY TO ENVIRONMENTTEST ECONOMICS AND IMPROVED PRODUCTS. THE EFFECTIVENESS OF STATE-OFTHE-ART MULTI-EXCITER CONTROL SYSTEMS IS LIMITED BY CERTAIN UNAVOIDABLE NONIDEAL DYNAMIC-RESPONSE BEHAVIORS. IT IS PROPOSED THAT THESE TROUBLESOME PHENOMENA BE… more
Abstract:POLYMERIC OR CERAMIC INSULATORS CONVENTIONALLY ARE BEING USED IN HIGH VOLTAGE PULSED SYSTEMS. NEW APPROACHES ARE NEEDED THAT WOULD REDUCE INSULATORS RING THICKNESSES AND INCREASE CORRESPONDING GRADING RINGS FLASHOVER VOLTAGE. SUCH AN APPROACH WOULD POSSESS IN COMPARISON TO CONVENTIONAL INSULATORS:… more
Abstract:THE DEVELOPMENT OF HIGH POWER, LOW IMPEDANCE, LIGHTWEIGHT ENERGY STORAGE TRANSMISSION LINES FOR PULSE-POWER APPLICATIONS IS CRUCIAL FORSMALLER, LIGHTWEIGHT, SPACE-BASED, PULSE-POWER SYSTEMS. DEVELOPMENT OF HIGH DIELECTRIC ENERGY STORAGE LINE TECHNOLOGY WOULD GREATLY REDUCETHE SIZE, WEIGHT, AND… more
Abstract:ONE OF THE MANY WAYS OF USING COAL AS A FUEL FOR GENERATING ELECTRIC POWER IS TO PULVERIZE IT INTO A VERY FINE SIZE (2-20 MICRONS) AND MIX IT WITH A LIQUID CARRIER SUCH AS WATER. THE RESULTING SLURRY CAN BE TRANSPORTED THROUGH A PIPELINE AND INJECTED DIRECTLY INTO A BOILER FOR COMBUSTION.… more
Abstract:APPROACHES THAT INCREASE THE COEFFICIENT OF PERFORMANCE OF REFRIGERATOR SYSTEMS ARE SOUGHT CONSTANTLY. RECENT INTERESTHAS BEEN DIRECTED TOWARD THE USE OF HEAT PUMPS FOR REFRIGERATION AND AIR CONDITIONING BECAUSE THEY HAVE SHOWN PROMISE IN INCREASING PERFORMANCE AND LOWERING OPERATING COSTS. ONE HEAT… more
Abstract:CARD GAP TESTS ARE THE HAZARD STANDARDS BY WHICH ENERGETIC MATERIALS ARE CLASSIFIED. THE USE OF INSENSITIVE MUNITIONS REQUIRES PERFORMANCE RESPONSE INFORMATION TO SENSITIVITY TESTS SUCH AS BULLET/ FRAGMENT IMPACT AND SHOCK IMPACT. NO CORRELATION METHODS EXIST BETWEEN CARD GAP TESTS AND SENSITIVITY… more
Abstract:LOVA PROPELLANTS ARE DESIGNED TO RESIST THERMAL THREATS, THUS INCREASING WEAPON SYSTEMS SURVIVABILITY. THE RESULTANTS CHARACTERISTICS MAKE THESE MATERIALS DIFFICULT TO IGNITE WITH CONVENTIONAL MATERIALS, RESULTING IN VARIABLE PERFORMANCE. LACK OF A RELIABLE IGNITER SYSTEM THREATENS DEPLOYMENT OF… more
Abstract:THE EFFORT PROPOSED HEREIN WILL FOCUS ON DEVELOPING AND UNDERSTANDING IMPORTANT DESIGN PARAMETERS OF A COMPACT/HIGHLY EXPANDABLE, LIGHT WEIGHT STRUCTURAL WEAVED JOINT WHICH CAN BE EMPLOYED INEXPENSIVELY AS A BASIC CONSTRUCTION ELEMENT FOR OPERATIONS IN SPACE. A 12" DIAMETER PROTOTYPE IS AVAILABLE AS… more
Abstract:A METHOD FOR DETECTING BURIED PLASTIC MINE IN PRESENTED WHICH EMPLOYS THE ACTIVATION OF NITROGEN BY 14 MEV NEUTRONS AND THE SUBSEQUENT DETECTION OF EMITTED 7 MEV GAMMA RAYS. THE DETECTION SYSTEM IS TRANSPORTED BY A REMOTELY PILOTED VEHICLE WHICH PROVIDES THE REQUIRED STANDOFF DISTANCES.
Abstract:THE INVERSE MONTE CARLO (IMC) METHOD IS A NOVEL APPLICATION OF DIRECT MONTE CARLO (MC) THAT ALLOWS A RATHER LARGE CLASS OF INVERSE PROBLEMS TO BE SOLVED IN A NONITERATIVE MANNER. DIRECT MC CAN BE VIEWED AS A MEANS OF ESTIMATING DEFINITE INTEGRALS; IMC, ON THE OTHER HAND, CAN BE VIEWED AS A MEANS OF… more
Abstract:THE SAFE, RELIABLE, AND EFFICIENT OPERATION OF NUCLEAR POWER PLANTS REQUIRES ADVANCED OPERATOR DECISION AIDS AS WELL AS CONTROL AND PROTECTION SYSTEMS. A PREDICTIVE EXPERT SYSTEM FOR PLANNING POWER MANEUVERS WILL BE INVESTIGATED AS ONE SUCH OPERATOR AID. IN THE PHASE I WORK THE FEASIBILITY OF THE… more
Abstract:STANDARD TOADS CRYSTALS DO NOT PERFORM CONSISTENTLY AT LOW OVERPRESSURES DUE IN PART TO LOW SIGNAL OUTPUT OF THE PZT CRYSTAL AND ALSO DUE TO ELECTRICAL CROSSTALK. WE PROPOSE TO INVESTIGATE TWO TOA TRANSDUCER TYPES THAT ARE PROVEN CONCEPTS IN OTHER APPLICATIONS. WE WILL DESIGN TECHNICIAN FRIENDLY… more
Abstract:DEVELOPMENT OF AN INNOVATIVE AND ECONOMICAL EXPERIMENTAL METHOD IS PROPOSED WHICH CAN PROVIDE THE BASIC BEHAVIOR DATA NECESSARY TO MEET THE DNA OBJECTIVE OF PROVIDING ADEQUATE ANALYSIS, DESIGN AND ASSESSMENT METHODS FOR MINIMALLY HARDENED TUNNELS. THIS DEVELOPMENT IS ACCOMPANIED BY ANALYSIS CAPABLE… more
Abstract:A METHOD FOR THE EVALUATION AND OPTIMIZATION OF EXPLOSIVE MATERIAL CHARACTERIZATION IS PROPOSED. DAMAGE OF A RIGID RUNWAY CONCRETE SLAB WILL BE OPTIMIZED FOR VARIOUS EXPLOSIVE ENERGY RELEASE RATES. THE STEPS FOR THE PROGRAM ARE: 1) COLLECTION AND EVALUATION OF RUNWAY TEST DAMAGE RESULTS, 2)… more
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