604 resources related to Calorimetry
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2020 Joint Conference of the IEEE International Frequency Control Symposium and International Symposium on Applications of Ferroelectrics (IFCS-ISAF)
Ferroelectric materials and applications
The world's premiere conference in MEMS sensors, actuators and integrated micro and nano systems welcomes you to attend this four-day event showcasing major technological, scientific and commercial breakthroughs in mechanical, optical, chemical and biological devices and systems using micro and nanotechnology.The major areas of activity in the development of Transducers solicited and expected at this conference include but are not limited to: Bio, Medical, Chemical, and Micro Total Analysis Systems Fabrication and Packaging Mechanical and Physical Sensors Materials and Characterization Design, Simulation and Theory Actuators Optical MEMS RF MEMS Nanotechnology Energy and Power
Energy conversion and conditioning technologies, power electronics, adjustable speed drives and their applications, power electronics for smarter grid, energy efficiency,technologies for sustainable energy systems, converters and power supplies
The conference program will consist of plenary lectures, symposia, workshops andinvitedsessions of the latest significant findings and developments in all the major fields ofbiomedical engineering.Submitted papers will be peer reviewed. Accepted high quality paperswill be presented in oral and postersessions, will appear in the Conference Proceedings and willbe indexed in PubMed/MEDLINE & IEEE Xplore
fusion engineering, physics and materials, plasma heating, vacuum technology, tritium processing, fueling, first walls, blankets and divertors
Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission
Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.
Component parts, hybrid microelectronics, materials, packaging techniques, and manufacturing technology.
Electrical insulation common to the design and construction of components and equipment for use in electric and electronic circuits and distribution systems at all frequencies.
Design for manufacturability, cost and process modeling, process control and automation, factory analysis and improvement, information systems, statistical methods, environmentally-friendly processing, and computer-integrated manufacturing for the production of electronic assemblies, products, and systems.
IEE Colloquium on What's New in Microwave Measurements, 1994
1990 IEEE Nuclear Science Symposium Conference Record, 1990
2009 IEEE Conference on Electrical Insulation and Dielectric Phenomena, 2009
Polyethylene oxide (PEO) is a water-soluble polymer that is widely used as a model system to examine fundamental processes. This paper details an investigation into the physical, thermal and electrical properties of PEO- based nanocomposites containing a highly hydrophilic boehmite nanofiller. The boehmite was dispersed into the PEO in solution in distilled water, by using controlled shear conditions, and the ...
9th International Symposium on Electrets (ISE 9) Proceedings, 1996
The dielectric characterization of silica gel-poly (methyl methacrylate)-organic dye composites has identified three relaxation mechanisms which give rise to partially overlapping thermocurrent bands in the range 10-320 K of the Thermally Stimulated Depolarization Currents (TSDCs) spectra: a relatively low intensity relaxation band maximized at around 130 K a broad band around 225 K and intense signals above 275 K. Spectral ...
Thirteenth Annual Battery Conference on Applications and Advances. Proceedings of the Conference, 1998
Sources and magnitude of heat effects in batteries are analyzed in this article. The evolving heat, as a result of the inefficiency of operation, is wasted energy at the expense of the chemically stored energy of the battery. At high rates of battery operation, the heat can be even commensurate with the obtained electrical energy. Measurement and analysis of the ...
Polyethylene oxide (PEO) is a water-soluble polymer that is widely used as a model system to examine fundamental processes. This paper details an investigation into the physical, thermal and electrical properties of PEO- based nanocomposites containing a highly hydrophilic boehmite nanofiller. The boehmite was dispersed into the PEO in solution in distilled water, by using controlled shear conditions, and the properties of the resulting materials were then studied. Dispersion was analysed during the solution rheology phase and the crystallisation and melting behaviour were examined using differential scanning calorimetry. The AC ramp electrical breakdown strength and dielectric response were also analysed.
The dielectric characterization of silica gel-poly (methyl methacrylate)-organic dye composites has identified three relaxation mechanisms which give rise to partially overlapping thermocurrent bands in the range 10-320 K of the Thermally Stimulated Depolarization Currents (TSDCs) spectra: a relatively low intensity relaxation band maximized at around 130 K a broad band around 225 K and intense signals above 275 K. Spectral results show that these relaxations are mainly bulk rather electrode interfacial effects, and are discussed in terms of intrinsic dipolar (e.g. rotations of H/sub 2/O molecules and conformational motions of the polymer side chain segments), Maxwell-Wagner-Sillars interfacial polarizations, and other types of compositional/structural defects. Differential Scanning Calorimetry (DSC) analysis of PMMA/Sol-gel composites has shown that the impregnated polymer's transition temperature increases by about 15 degrees, compared to bulk PMMA. The effect is attributed to hydrogen bonding between the pore surface silanols and the polymer side chains, based on additional Raman and NMR measurements.
Sources and magnitude of heat effects in batteries are analyzed in this article. The evolving heat, as a result of the inefficiency of operation, is wasted energy at the expense of the chemically stored energy of the battery. At high rates of battery operation, the heat can be even commensurate with the obtained electrical energy. Measurement and analysis of the heat effects by electrochemical calorimetry play an important role in advanced battery development, diagnostics and application. An electrochemical calorimeter measures heat effects and electrochemical parameters simultaneously while any standard or research testing procedure is being executed. The electrochemical calorimetry and mathematical thermal modeling together are the important means of thermal management design.
An innovative design for a noninductive transformer circuit that transforms values of impedance less than 1 /spl Omega/ to very high values of approximately several k/spl Omega/ is based on GaAs CHIGFET technology, with intrinsic radiation hardness in excess of several hundred megarads. A principal advantage of the circuit is that the speed and bandwidth sensitivity is weakly affected by detector source capacity (up to 1 nF), thereby allowing greater design flexibility for both hadronic and electromagnetic calorimetry, or even charge particle detection (tracking) integrated within the same device. The simulated risetime is less than 2 ns, and power dissipated is less than 40 mW.
Tin (Sn) nanoparticles with various sizes were synthesized from a chemical reduction method. Their morphological and thermal characterizations were studied. The high resolution transmission electron microscopy (HRTEM) study showed that significantly low level of oxides was formed. The thermal characterization by differential scanning calorimetry (DSC) exhibited the size dependency of the melting points
A full size, liquid scintillating fiber spaghetti, hadronic calorimeter has been constructed and tested using cosmic rays at Texas A&M University. The purpose of this R&D research is to find practical solutions for detectors to be used in extremely high radiation environments. The details of design and construction of this module are presented. The advantages of using liquid scintillating materials were investigated. Relevant subjects are addressed. Cosmic ray test results are compared with that of GEANT Monte Carlo simulations. Over all, they agree with each other well. The conclusion is that calorimeters utilizing this technique can be used in high radiation environments such as the SSC colliding area.<<ETX>>
In the frame of research and development for electromagnetic calorimetry at future e/sup +/e/sup -/ linear colliders, different techniques have been studied to implement longitudinal segmentation in Shashlik calorimeters. Two prototypes with 5/spl times/5 cm/sup 2/ lead/scintillator towers and readout by means of wavelength-shifting fibers have been built. The longitudinal segmentation of the shower is achieved by modifying the front part of the detector. In the first prototype, vacuum photodiodes have been inserted laterally for the first eight X/sub 0/, while in the second prototype a slow scintillator has been used in the first five X/sub 0/. Both of the prototypes have been exposed to beam at CERN. The performance in term of energy resolution, spatial resolution, and e//spl pi/ separation are described.
The fundamental parameters by which injected DIII-D neutral beam power is calculated have all been recently measured using waterflow calorimetry and target tile thermocouples. The measured neutralization efficiency is 66%, close to the modeled equilibrium value of 70% for a 75 kV deuterium beam. Waterflow calorimetry has proven to be a useful tool to measure the neutralization efficiency, contrary to earlier results. The beamline transmission efficiency has been measured for each beam independently, and averages about 78% among the beams. Finally, the drift duct reionization survival rate is 95%. By making use of the independence of preshot target tile temperature and duct reionization, interpretation of thermocouple data has yielded more accurate results.<<ETX>>
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