A photographic study of saturated nucleate pool boiling of water on horizontally mounted wires and tubes was carried out. The effects of the diameter of the heating surface, system pressure and heat flux upon the bubble diameter at departure from the heating surface were investigated. Five platinum wires and two platinum tubes were used at a range of pressures. Departure diameter of more than 1.800 discrete bubbles was measured at various heat fluxes. An empirical expression is proposed to...
Topics: DTIC Archive, Garg, S C, NAVAL CIVIL ENGINEERING LAB PORT HUENEME CA, *NUCLEATE BOILING, *WATER,...
Investigations into the use of transcranial direct current stimulation (tDCS) in relieving symptoms of neurological disorders and enhancing cognitive or motor performance have exhibited promising results. However, the mechanisms by which tDCS impacts brain function remain under scrutiny. We have demonstrated that in vivo tDCS in rats produced a lasting effect on hippocampal synaptic plasticity, as measured using extracellular recordings. Ex vivo preparations of hippocampal slices from rats that...
Topics: DTIC Archive, Rohan,Joyce G, Oak Ridge Institute for Science and Education Patuxent River United...
Topics: DTIC Archive, Damon,Edward K, OHIO STATE UNIV COLUMBUS ELECTROSCIENCE LAB, *POWER SUPPLIES,...
Vibrating oxidized iron surfaces have been shown experimentally to produce modulated microwave reflections which are not present for clean surfaces. An experimental and theoretical program is pursued to explain this effect in terms of the strain dependence of resistivity of the iron oxides, and of the oxide junctions between metallic grains. (Author)
Topics: DTIC Archive, Juretschke,Hellmut J, POLYTECHNIC INST OF BROOKLYN N Y MICROWAVE RESEARCH INST,...
Theoretical approach is developed for management control of progress towards pre-determined reliability goals during product development programs. Standards for monitoring are derived from empirically determined characteristic rates of growth for reliability on air-borne accessory types of products. The proposed monitoring techniques assume reliability goals specified in terms of a maximum allowable failure rate after some fixed number of testing or operational hours have been accumulated....
Topics: DTIC Archive, Duane,J T, GENERAL ELECTRIC CO ERIE PA DIRECT CURRENT MOTOR AND GENERATOR DEPT, *LIFE...
This report documents an investigation and implementation of a 3 kW active power factor correction (pfc) design used to enable a diode rectifier to draw sinusoidal line currents with nearly unity power factor from a three-phase utility grid. The design utilizes a boost converter operating in discontinuous conduction mode to perform the pfc and dc regulation. The converter operates at a single frequency using pulse width modulation for dc voltage regulation. This active pfc design is compared to...
Topics: DTIC Archive, Nairus, John G., WRIGHT LAB WRIGHT-PATTERSON AFB OH, *FULL WAVE RECTIFIERS, *DIRECT...
Further progress has been achieved in the understanding of carrier injection into superlattices. We were able to calculate the current in a two terminal and three terminal device. In the two terminal device a strong temperature dependence of the injected current is found which depends mainly on the Fermi level in the emitter. With increasing temperature a high current level is possible. The calculated current values for the three terminal device do also agree quite well with the experimental...
Topics: DTIC Archive, Gornik, Erich, VIENNA UNIV (AUSTRIA) INST FUER FESTKOERPERPHYSIK, *SUPERLATTICES,...
We will begin the final year of data collection on a nested case-control study of the association between magnetic field and breast cancer risk among a group of predominantly African-American and Latino women in Los Angeles County. The research questions remain as follows: (1) Is residential exposure to magnetic fields, as assessed by wiring configuration coding in homes occupied over the past 10 years before diagnosis, associated with the risk of breast cancer. Wiring configuration coding is a...
Topics: DTIC Archive, Peters, John, CALIFORNIA UNIV LOS ANGELES, *MAGNETIC FIELDS, *CASE STUDIES,...
Partial contents: Hybrid Inorganic/Organic Polymers, Introduction to POSS, Anatomy of a POSS Nanostructure, POSS Polymer Incorporation, POSS Styrene Monomer Synthesis, POSS Styrene Copolymer Synthesis, 1HNMR Cyclohexyl POSS monomer, 1HNMR-50wt% CyPOSS-PS copolymer, The Specific Refractive index increment and POSS Polymer, Why find the dn/dc Value?, RI vs. Concentration of iBuPoss-Ps copolymer,RI Vs Concentration of CyPOSS-PS copolymer, dn/dc vs wt.% and mole%, Summary and Future Work.
Topics: DTIC Archive, Largo, Sheryl R, ENGINEERING RESEARCH AND CONSULTING INC(ERC INC) EDWARDS AFB CA,...
This paper reports the high-speed experimental characterization of a microscale, axial-flux, permanentmagnet (PM) generator to failure. A single-phase, opencircuit voltage of 0.9 Vrms was measured at 225 krpm, which corresponds to 3.3 W of DC power if the machine were connected via power electronics to a matched resistive load. Finite-element analysis was used to model and examine the mechanical design of the high-speed rotor assembly to increase the speed and, hence, output power of the...
Topics: DTIC Archive, Arnold, David P, GEORGIA INST OF TECH ATLANTA SCHOOL OF ELECTRICAL AND COMPUTER...
Eleven small ingots (70-mm diameter, 500-mm long) were produced in an experimental electroslag-refining furnace using electrode negative and electrode positive direct current power modes to enable the extent of desulphurization to be compared. The electrode material was a commercial low alloy steel (En 25) containing about 0.03 wt% sulphur. The average sulphur reduction determined for each ingot was found to increase as the ingress of oxygen to the molten slag was reduced, and extensive...
Topics: DTIC Archive, Andrew,Richard C, MATERIALS RESEARCH LABS ASCOT VALE (AUSTRALIA), *LOW ALLOY STEELS,...
The development of fuel cells for traction accelerated the last years because of severe emission demands for road vehicles. Because of these rapid developments a commercial application in 5 to 10 years is feasible which means that the fuel cell can be used for the generation of electric energy on board of naval ships currently being developed. In the application of fuel cells and the integration in a ship's system, the combination with a battery is important. To get insight in the possible...
Topics: DTIC Archive, Kluiters, E. E., INSTITUTE OF ENVIRONMENTAL SCIENCES ENERGY RESEARCH AND PROCESS...
When two carbon-nanotube coated electrodes are placed at a small distance from each other, electron emission from carbon nanotubes allows a DC or AC electrical current to flow between these two electrodes. The voltage drop across these two electrodes depends on the electric field needed for emitting electrons necessary for carrying electric current and the distance between these two electrodes. This electrical coupler may find applications to high-voltage circuits, which operate at voltages of...
Topics: DTIC Archive, Tzeng, Yonhua, AUBURN UNIV AL, *CARBON, *ELECTRON EMISSION, HIGH TEMPERATURE,...
The purpose of this report is to detail the results of a program to develop the flexible conductive textiles for a wearable VHF antenna. The antenna is an electrically small loop that uses electronic circuits distributed throughout its length to achieve better transmitter efficiency. The program also developed methods of attaching and sealing the connections between the textile conductive traces that are used to form the loop antenna and are also used to bring DC bias to the electronic circuit...
Topics: DTIC Archive, Merenda, Joseph T, BAE SYSTEMS INC GREENLAWN NY, *LOOP ANTENNAS, *VERY HIGH...
The effect of chemical composition substitutions on the flux pinning and physical properties of (Y,Nd) 1 + (XB(alpha2)-xCu3O7(-gamma)) superconductors was studied in powders processed by solid-state reaction and equilibrated in air at 910 deg C. The powders were subsequently processed in 1% O2 atmosphere at 920 deg C to increased the superconducting transition temperature (T sub c) and critical current density (J sub c). After processing in air, the powders were nearly pure single-phase...
Topics: DTIC Archive, Haugan, T J, AIR FORCE RESEARCH LAB WRIGHT-PATTERSON AFB OH PROPULSION DIRECTORATE,...
This thesis was a continuation in part of a NPS project relating to microwave wireless power transmission for micro air vehicles (MAVs). The concept of using microwaves for transferring power in free space has existed since the beginning of the 20th century. The emphasis of this thesis is the experimental study of powering micro air vehicles via the use of using a microstrip rectenna (rectifying antenna) at 10 GHz. A microstrip rectenna was built and experiments were conducted to measure the...
Topics: DTIC Archive, Toh, Leng H, NAVAL POSTGRADUATE SCHOOL MONTEREY CA, *DRONES, *MICROWAVE TRANSMISSION,...
The report presents results of cold MHD flow deceleration experiments using repetitively pulsed, short pulse duration, high voltage discharge to produce ionization in M=3-4 nitrogen and air flows in the presence of transverse DC electric field and transverse magnetic field. MHD effect on the flow is detected from the flow static pressure measurements. Retarding Lorentz force applied to the flow produces a static pressure increase of up to 20%, while accelerating force of the same magnitude...
Topics: DTIC Archive, Adamovich, Igor V, OHIO STATE UNIV COLUMBUS DEPT OF MECHANICAL ENGINEERING, *LOW...
Deep traps responsible for current collapse phenomena in GaN metal semiconductor field-effect transistors have been detected using a spectroscopic technique that employs the optical reversibility of current collapse to determine the photoionization spectra of the traps involved. In the n-channel device investigated, the two electron traps observed were found to be very deep and strongly coupled to the lattice. Photoionization thresholds for these traps were determined at 1.8 and at 2.85 eV....
Topics: DTIC Archive, Klein, P B, NAVAL RESEARCH LAB WASHINGTON DC, *SPECTROSCOPY, *FIELD EFFECT...
We consider the distribution of an electric field in YBa2Cu3O7-x (YBCO)-coated conductors for a situation in which the DC transport current is forced into the copper stabilizer due to a weak link-a section of the superconducting film with a critical current less than the transport current. The electric field in the metal substrate is also discussed. The results are compared with recent experiments on normal zone propagation in coated conductors in which the substrate and stabilizer are...
Topics: DTIC Archive, AIR FORCE RESEARCH LAB WRIGHT-PATTERSON AFB OH PROPULSION DIR/POWER DIV/MECHANICAL...
This thesis is an exploration of microwave wireless power transmission (WPT) for micro-air vehicles (MAVs). WPT, converting radio frequency (rf) power into usable direct current (dc) power, can be implemented with a rectifying antenna, or rectenna. The emphasis of this thesis is on the simulation of rectenna efficiency and measurement of experimental hardware. In this thesis, power reflection in the rectifier matching circuit was investigated by a series of simulations using Agilent Advanced...
Topics: DTIC Archive, NAVAL POSTGRADUATE SCHOOL MONTEREY CA, *DRONES, *ELECTRIC POWER TRANSMISSION,...
Two programmable, high voltage DC power supplies were developed as part of the flight electronics for the Solar Array Module Plasma Interaction Experiment (SAMPIE). SAMPIE's primary objectives were to study and characterize the high voltage arcing and parasitic current losses of various solar cells and metal samples within the space plasma of low earth orbit (LEO). High voltage arcing can cause large discontinuous changes in spacecraft potential which lead to damage of the power system...
Topics: NASA Technical Reports Server (NTRS), DIRECT CURRENT, ELECTRONIC EQUIPMENT, HIGH VOLTAGES, LARGE...
A hollow cathode-based plasma contactor has been selected for use on the Space Station. During the operation of the plasma contactor, the hollow cathode heater will endure approximately 12000 thermal cycles. Since a hollow cathode heater failure would result in a plasma contactor failure, a hollow cathode heater development program was established to produce a reliable heater design. The development program includes the heater design, process documents for both heater fabrication and assembly,...
Topics: NASA Technical Reports Server (NTRS), CONTACTORS, HEATING EQUIPMENT, HOLLOW CATHODES, PLASMAS...
The behavior of zinc-rich primer-coated 2219-T87 aluminum in a 3.5-percent Na-Cl was investigated using electrochemical techniques. The alternating current (ac) method of electro-chemical impedance spectroscopy (EIS), in the frequency range of 0.001 to 40,000 Hz, and the direct current (dc) method of polarization resistance (PR) were used to evaluate the characteristics of an organic, epoxy zinc-rich primer and an inorganic, ethyl silicate zinc-rich primer. A dc electrochemical galvanic...
Topics: NASA Technical Reports Server (NTRS), ALUMINUM, CORROSION PREVENTION, ELECTROCHEMICAL CORROSION,...
Advanced electronic systems designed for use in planetary exploration missions must operate efficiently and reliably under the extreme cold temperatures of deep space environment. In addition, spacecraft power electronics capable of cold temperature operation will greatly simplify the thermal management system by eliminating the need for heating units and associated equipment and thereby reduce the size and weight of the overall power system. In this study, film, mica, solid tantalum and...
Topics: NASA Technical Reports Server (NTRS), CAPACITORS, WEIGHT REDUCTION, TANTALUM, SPACE TEMPERATURE,...
A description and user's guide of the computer program developed to simulate the dynamics of an electromechanical actuator for aerospace applications are presented. The effects of the stator phase currents on the permanent magnets of the rotor are examined. The voltage and current waveforms present in the power conditioner network during the motoring, regenerative braking, and plugging modes of operation are presented and discussed.
Topics: NASA Technical Reports Server (NTRS), COMPUTERIZED SIMULATION, ELECTRIC MOTORS, MATHEMATICAL...
The objective was to assess the feasibility of using the Series Resonant inverter as the driver module for the high frequency power system on the Space Station. This study evaluates the performance of the Series Resonant driver when it was operated with a dc input voltage and run through a series of tests to determine its start-up performance, response to load changes, load regulation, and efficiency. Also, this study compares the Series Resonant driver to another kind of driver that uses a...
Topics: NASA Technical Reports Server (NTRS), INVERTERS, POWER LINES, SPACE STATIONS, SPACECRAFT POWER...
A control circuit is provided for a brushless three-phase dc motor which affords four quadrant control from a single command. The control circuit probes acceleration of the motor in both clockwise and counterclockwise directions and braking and generation in both clockwise and counterclockwise directions. In addition to turning on individual transistors of the transistor pairs connected to the phase windings of the motor for 120 deg periods while the other transistor of that pair is off, the...
Topics: NASA Technical Reports Server (NTRS), DIRECT CURRENT, ELECTRIC CURRENT, ELECTRIC MOTORS, ELECTRIC...
A non-intrusive DC current monitor is presented which emulates the theoretical operation of an AC transformer. A conductor, carrying the current to be measured, acts as the primary of a DC current transformer. This current is passed through the center of a secondary coil, and core positioned thereabout, and produces a magnetic flux which induces a current in the secondary proportional to the current flowing in the primary. Means are provided to periodically reset the transformer core such that...
Topics: NASA Technical Reports Server (NTRS), DIRECT CURRENT, NONINTRUSIVE MEASUREMENT, TRANSFORMERS,...
This paper demonstrates a novel optimization-based approach to estimating fault states in a DC power system. Potential faults changing the circuit topology are included along with faulty measurements. Our approach can be considered as a relaxation of the mixed estimation problem. We develop a linear model of the circuit and pose a convex problem for estimating the faults and other hidden states. A sparse fault vector solution is computed by using 11 regularization. The solution is computed...
Topics: NASA Technical Reports Server (NTRS), DIRECT CURRENT, REAL TIME OPERATION, LINEAR CIRCUITS,...
Initial DC electric field observations and associated plasma drifts are presented from the Vector Electric Field Investigation (VEFI) on the Air Force Communication/Navigation Outage Forecasting System (C/NOFS) satellite. We present statistical averages of the vector fields for the first year of operations that include both the zonal and radial components of the resulting E x B plasma flows at low latitudes. Magnetic field data from the VEFI science magnetometer are used to compute the plasma...
Topics: NASA Technical Reports Server (NTRS), DIRECT CURRENT, ELECTRIC FIELDS, SPACE PLASMAS, TROPICAL...
In organizations that engage in both operations and applied research, with operational needs guiding research questions and research informing improved operations, the ideal goal is a synergy of ideas and information. In reality, this ideal synergy is often lacking. Real-time operational needs driving day-to-day decisions, lack of communication, lag time in getting research advances plugged into operations can cause both areas to suffer from this gap between operations and research. At Johnson...
Topics: NASA Technical Reports Server (NTRS), OPERATIONS RESEARCH, HEALTH, REAL TIME OPERATION,...
The design requirements, the design, development tests and problems, the qualification and life test and the findings of the strip examination of a dual wound DC brushed motor gearhead are described. It is the only space qualified dual wound dc brushed motor gearhead in Europe.
Topics: NASA Technical Reports Server (NTRS), BRUSHES (ELECTRICAL CONTACTS), DIRECT CURRENT, ELECTRIC...
Thin-film electroluminescent (TFEL) devices are studied for a possible means of achieving a high resolution, light weight, compact video display panel for computer terminals or television screens. The performance of TFEL devices depends upon the probability of an electron impact exciting a luminescent center which in turn depends upon the density of centers present in the semiconductor layer, the possibility of an electron achieving the impact excitation threshold energy, and the collision...
Topics: NASA Technical Reports Server (NTRS), DATA PROCESSING TERMINALS, DISPLAY DEVICES,...
Tests performed to determine accuracy and efficiency of bus separators used in microprocessors are presented. Functional, AC parametric, and DC parametric tests were performed in a Tektronix S-3260 automated test system. All the devices passed the functional tests and yielded nominal values in the parametric test.
Topics: NASA Technical Reports Server (NTRS), BUS CONDUCTORS, ELECTRICAL PROPERTIES, MICROPROCESSORS,...
A direct current ballast circuit for a two electrode metal halide lamp is described. Said direct current ballast circuit includes a low voltage DC input and a high frequency power amplifier and power transformer for developing a high voltage output. The output voltage is rectified by diodes and filtered by inductor and capacitor to provide a regulated DC output through commutating diodes to one terminal of the lamp at the output terminal. A feedback path from the output of the filter capacitor...
Topics: NASA Technical Reports Server (NTRS), BALLASTS (IMPEDANCES), DIRECT CURRENT, LUMINAIRES, METAL...
Circuit minimizes components required to provide six properly timed drive signals from three equal-interval sensor inputs.
Topics: NASA Technical Reports Server (NTRS), DECOMMUTATORS, DIRECT CURRENT, ELECTRIC MOTORS, SWITCHING...
This paper presents the lattice matched and pseudomorphic Al(0.7)Ga(0.3)As/GaAs and In(0.52)Al(0.48)As/ In(0.53)Ga(0.47)As/InP material systems for HBVs. HBVs with different mesa diameters have been fabricated and their DC characteristics have been measured. A comparison of the DC characteristics are presented for the two material systems.
Topics: DTIC Archive, Saglam, M., Megej, A., Sigmund, J., Rodriguez-Girones, M., Mutamba, K., TECHNISCHE...
Cortical spreading depolarizations occur spontaneously after ischaemic, haemorrhagic and traumatic brain injury. Their effects vary spatially and temporally as graded phenomena, from infarction to complete recovery, and are reflected in the duration of depolarization measured by the negative direct current shift of electrocorticographic recordings. In the focal ischaemic penumbra, peri-infarct depolarizations have prolonged direct current shifts and cause progressive recruitment of the penumbra...
Topics: DTIC Archive, NAVAL MEDICAL RESEARCH CENTER SILVER SPRING MD, *BRAIN, *DEPOLARIZATION, *TRAUMA,...
High current switching is the most critical challenge remaining for photoconductive semiconductor switch (PCSS) applications in Pulsed Power. Many authors have described the advantageous properties of high gain PCSS such as, low optical trigger energy and inductance, sub-nanosecond risetime and jitter, optical isolation and control, pulsed or DC charging, and long device lifetime, provided the current per filament is limited to 20-30A for short pulse (10-20ns) applications[1,2]. Low energy...
Topics: DTIC Archive, SANDIA NATIONAL LABS ALBUQUERQUE NM, *ELECTRIC SWITCHES, DIRECT CURRENT, HIGH POWER,...
The changes that occurred in the optical and electrical characteristics of a near infrared, GaAs light emitting diode, when operated under various levels and combinations of current and thermal stresses are discussed. A total of forty parts were operated for two thousand hours under eight different sets of dc current and ambient temperature conditions. Degradation in the radiant optical power of these devices was thirty-four percent when operated at their rated current and an ambient...
Topics: NASA Technical Reports Server (NTRS), ELECTRICAL PROPERTIES, LIGHT EMITTING DIODES, OPTICAL...
Results from this contract was a successful demonstration for the first time of InP-based MODFETs operating above 125 deg C with minimal DC and RF degradation with record two dimensional electron sheet densities (>8.0 x 10(exp 12) /sq cm) The MODFET structure was double-doped and double-strained with a parabolically graded channel. To achieve this final result we performed fundamental experiments during the duration of the grant to study the spacer layer thickness, Schottky barrier...
Topics: DTIC Archive, Martin, Glenn, CORNELL UNIV ITHACA NY DEPT OF ELECTRICAL ENGINEERING, *SUBSTRATES,...
With the approval of the program manager, the equipment purchased on this grant was changed to a Plasma Therm, Inc. SLR-770 inductively coupled plasma (ICP) processing system. The SLR-770 has been invaluable in the study of plasma etching of AlGaAsSb and GaSb-materials that form the backbone of antimonide-based semiconductor lasers. AlGaAsSb is especially difficult to pattern with wet chemicals because it is prone to oxidation. The combination of sputtering and chemical etching in plasmas...
Topics: DTIC Archive, Lester, Luke F., NEW MEXICO UNIV ALBUQUERQUE CENTER FORHIGH TECHNOLOGY MATERIALS,...
Instantaneous frequency doubling is demonstrated in germania doped silica planar waveguides deposited on fused silica substrates by quasi- phasematching with an externally applied, periodic DC field. The DC field periodicity which causes frequency doubling corresponds to the beat length between the fundamental and second harmonic light propagating in the waveguide.
Topics: DTIC Archive, Weitzman, P S, FRANK J SEILER RESEARCH LAB UNITED STATES AIR FORCE ACADEMY CO,...
Electrochemical corrosion testing using AC impedance measurement and ellipsometry has been performed on aircraft aluminum 2024-T3 samples. The AC Impedance technique was used to acquire a precise low-frequency impedance signature of corroding painted aircraft aluminum which will be used to develop a simple, yet powerful, sensor for the early detection and measurement of corrosion processes on aircraft. The use of ellipsometry and DC electrochemical techniques, have verified that the...
Topics: DTIC Archive, Dacres, Chester M., DACCO SCI INC COLUMBIA MD, *AIRCRAFT, *CORROSION,...
Development of a free piston engine linear generator was investigated for use as an auxiliary power unit for a hybrid electric vehicle. The main focus of the program was to develop an efficient linear generator concept to convert the piston motion directly into electrical power. Computer modeling techniques were used to evaluate five different designs for linear generators. These designs included permanent magnet generators, reluctance generators, linear DC generators, and two and three-coil...
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Topics: DTIC Archive, Callahan, T. J., SOUTHWEST RESEARCH INST SAN ANTONIO TX TARDEC FUELS AND LUBRICANTS...
Development of an effective method for evaluation of alternative energy sources in the automotive industry has always been a necessity for cost efficient design analysis. One viable alternative energy source is electricity. In the present day environment of shrinking fossil fuel supplies and environmental awareness, electric powered vehicles are becoming a low cost, non-polluting, alternative means of transportation. The analysis of reliable electric propulsion can be expensive without a...
Topics: DTIC Archive, Roerig, Steven J., NAVAL POSTGRADUATE SCHOOL MONTEREY CA, *SOLAR ENERGY, *ELECTRIC...
Computer simulations have revealed that FEDTEDs operate with high efficiencies of approx. 9% at lower doping levels 5 times 10 to the 15th power/cc but in a very narrow range of RF/DC voltage levels. Lower efficiencies (3%-6%) are obtainable with doping levels of 2 to 3 times 10 to the 16th power/cc in a much broader range of RF/DC voltages. Experimental results obtained with a new batch of devices made from epitaxially grown layers with N sub D 2.5 times 10 to the 16th power/cc and d=0.9...
Topics: DTIC Archive, Thim, Hartwig W, JOHANNES KEPLER UNIV LINZ (AUSTRIA) MICROELECTRONICS INST, *STRIP...
816
816
Jul 16, 2009
07/09
by
Alexander Russell
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Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
Topics: current, phase, armature, sin, alternating, flux, rotor, magnetic, currents, circuit, alternating...
Source: http://books.google.com/books?id=zm4OAAAAYAAJ&oe=UTF-8
The objective of the current program is to investigate the volume scalability of nonequilibrium plasmas produced by electrical discharges in atmospheric pressure air. Both DC and repetitively pulsed discharges have been successfully demonstrated to form non-equilibrium air plasmas at atmospheric pressure with temperatures below 2000 K and electron densities above 1012 cm-3. Such plasmas represent a potential for aircraft shielding, and many other applications, e.g. biodecontamination. The...
Topics: DTIC Archive, COMENIUS UNIV BRATISLAVA (SLOVAKIA) FACULTY OF MATHEMATICS PHYSICS AND INFORMATICS,...
181
181
Sep 28, 2009
09/09
by
University of Wisconsin--Madison. College of Engineering
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Book digitized by Google from the library of University of Wisconsin - Madison and uploaded to the Internet Archive by user tpb.
Topics: steam, turbine, boiler, oooo, test, cvj, water, calibrated, google digitized, feed water, boiler...
Source: http://books.google.com/books?id=4ZxsAAAAMAAJ&oe=UTF-8
