Conferences related to Gases

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2019 IEEE 28th Symposium on Fusion Engineering (SOFE)

fusion engineering, physics and materials, plasma heating, vacuum technology, tritium processing, fueling, first walls, blankets and divertors

2018 13th IEEE Conference on Industrial Electronics and Applications (ICIEA)

Industrial Informatics, Computational Intelligence, Control and Systems, Cyber-physicalSystems, Energy and Environment, Mechatronics, Power Electronics, Signal and InformationProcessing, Network and Communication Technologies

2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted papers will be peer reviewed. Accepted high quality papers will be presented in oral and postersessions, will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE

2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz2018)

Covering terahertz, far infrared and millimeter wave science, technology and applications

2018 Annual Reliability and Maintainability Symposium (RAMS)

Scope:Tutorials and original papers on reliability, maintainability, safety, risk management, and logistics

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Periodicals related to Gases

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Antennas and Propagation, IEEE Transactions on

Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.

Biomedical Circuits and Systems, IEEE Transactions on

The Transactions on Biomedical Circuits and Systems addresses areas at the crossroads of Circuits and Systems and Life Sciences. The main emphasis is on microelectronic issues in a wide range of applications found in life sciences, physical sciences and engineering. The primary goal of the journal is to bridge the unique scientific and technical activities of the Circuits and Systems ...

Biomedical Engineering, IEEE Transactions on

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.

Components and Packaging Technologies, IEEE Transactions on

Component parts, hybrid microelectronics, materials, packaging techniques, and manufacturing technology.

Dielectrics and Electrical Insulation, IEEE Transactions on

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.

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Xplore Articles related to Gases

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A new dynamic model for propagation of characteristic gases in transformer oil-cellulose structures due to temperature variations

[{u'author_order': 1, u'affiliation': u'Rensselaer Polytech. Inst., Troy, NY, USA', u'full_name': u'A. Shahsiah'}, {u'author_order': 2, u'affiliation': u'Rensselaer Polytech. Inst., Troy, NY, USA', u'full_name': u'R. C. Degeneff'}, {u'author_order': 3, u'affiliation': u'Rensselaer Polytech. Inst., Troy, NY, USA', u'full_name': u'J. K. Nelson'}] CEIDP '05. 2005 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, 2005., None

Dissolved gas analysis (DGA) is one of the best known and most effective ways of monitoring the condition of power transformers. However, since transformers are rarely in thermal equilibrium, migration of characteristic-gases into insulating cellulose of transformers due to temperature variations causes error in dissolved gas analysis. This paper suggests a new diffusion dynamic model to explain the migration of ...

Study on Intelligent Development of Power Transformer On-Line Monitoring Based on the Data of DGA

[{u'author_order': 1, u'affiliation': u'Sch. of Electr. Power, South China Univ. of Technol., Guangzhou, China', u'full_name': u'Wenlong Zeng'}, {u'author_order': 2, u'affiliation': u'Sch. of Electr. Power, South China Univ. of Technol., Guangzhou, China', u'full_name': u'Yufeng Yang'}, {u'author_order': 3, u'affiliation': u'Sch. of Electr. Power, South China Univ. of Technol., Guangzhou, China', u'full_name': u'Chunyu Gan'}, {u'author_order': 4, u'affiliation': u'Sch. of Electr. Power, South China Univ. of Technol., Guangzhou, China', u'full_name': u'Hengzhen Li'}, {u'author_order': 5, u'affiliation': u'Sch. of Electr. Power, South China Univ. of Technol., Guangzhou, China', u'full_name': u'Gang Liu'}] 2011 Asia-Pacific Power and Energy Engineering Conference, None

This paper has summarized the history of the development of the state monitoring system of the power transformer and introduced the present situation in research, especially the multifold comparison on different methods to diagnose the trouble in transformer. This paper not only takes the comprehensive analysis on the extant online monitoring equipments, which is based on DGA, and methods of ...

Photothermal Studies Of Nonradiative Deactivation Of Laser-excited Molecules in Gas Mixtures

[{u'author_order': 1, u'affiliation': u'ETH Zurich', u'full_name': u'I. G. Calasso'}, {u'author_order': 2, u'full_name': u'I. Delgadillo'}, {u'author_order': 3, u'full_name': u'M. W. Sigrist'}] Technical Digest. 1998 EQEC. European Quantum Electronics Conference (Cat. No.98TH8326), None

First Page of the Article ![](/xploreAssets/images/absImages/00715137.png)

Arc Stability of Electronegative Gases

[{u'author_order': 1, u'affiliation': u'Allis-Chalmers Manufacturing Company, Milwaukee, Wisc', u'full_name': u'J. P. Manion'}, {u'author_order': 2, u'affiliation': u'Allis-Chalmers Manufacturing Company, Milwaukee, Wisc', u'full_name': u'J. A. Philosophos'}, {u'author_order': 3, u'affiliation': u'Allis-Chalmers Manufacturing Company, Milwaukee, Wisc', u'full_name': u'M. B. Robinson'}] IEEE Transactions on Electrical Insulation, 1967

The decomposition of electronegative gases in electric discharges was studied to determine relative chemical stabilities and the effect of the discharge on dielectric strength. Rate of disappearance of the parent molecule and variation in dielectric strength with arcing time were determined. Good correlation was noted between atomic composition, molecular complexity and stability of the gases to discharge. In the fluorocarbon ...

The Metal/Liquid Interface: the Charge Injection Process

[{u'author_order': 1, u'affiliation': u'EXXON Research and Engineering Co. Annandale, NJ', u'full_name': u'E. O. Forster'}] IEEE Transactions on Electrical Insulation, 1984

An attempt has been made to analyze the experimental observations published over the past years on charge injection into liquids, and to examine the criteria developed for charge injection into vacuum or gases as to their applicability to liquids. It was concluded that the emission sites on metal cathodes are smaller than originally assumed. The Fowler-Nordheim or modified Schottky emission ...

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Educational Resources on Gases

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  • Electrical Breakdown in Gases

    This chapter discusses a short treatise on atomic collisions in gases and a description of Townsend's experiments in the early twentieth century. It presents the Paschen curve, and describes the predominant theories of spark formation. The chapter also discusses other breakdown phenomena, such as coronas and the hollow electrode carrier generation used in pseudosparks. Electrical breakdown occurs in a gas when a high¿¿¿conductivity channel is formed between cathode and anode. Before a study is made of the behavior of gases under the influence of an electric field, it is appropriate to review the basic principles of the kinetic theory of gases pertinent to gaseous ionization and breakdown. From there, the various concepts of ionic and electronic can be inferred. The chapter further discusses the efficient use of gaseous insulation with intershields. It concludes by discussing the important aspects of breakdown behavior in gaseous SF6.

  • Overview of Insulation Diagnostics

    A number of chemical¿¿¿based diagnostic techniques are used extensively by practicing engineers and specialists to assess the insulation condition of aged transformers. Most commonly used chemical¿¿¿based diagnostics include moisture analysis in transformer oil, dissolved gas analysis (DGA), furan analysis by high¿¿¿performance liquid chromatography (HPLC), and molecular weight assessment by degree of polymerization (DP) measurement using the viscometry method. Among electrical¿¿¿based diagnostics, insulation resistance, power frequency dissipation factor, polarization index, and partial discharge (PD) measurements have been used widely. The monitoring of furanic compounds by oil analysis using HPLC has been used widely by utilities for the last few decades. Insulation resistance and polarization index have long been used by the electricity utilities to ascertain the moisture condition of transformers. The capacitance of a transformer depends on the characteristics of the dielectric material and the physical size of the insulation system. The capacitance value can change by degradation of the insulation, contamination, and physical damage.

  • Fundamentals of Electrical Discharges

    Natural phenomena, such as gamma rays produced by radioactive decay processes in the soil and cosmic radiation originating from solar flares and other galactic objects, can ionize the air molecules. This chapter first discusses ionization and deionization processes in gases. This is followed by a discussion on ionization and attachment coefficients. Two typical breakdown mechanisms occur in gases, each of them operating under specifically favorable conditions: Townsend's mechanism and the streamer mechanism. Corona discharges in air can burn on the overstressed zones of hot electrodes. This kind of discharge occupies a short layer, attached to the energized conductor. When a conductor is in corona, then the electric field on the surface is somehow influenced by the surrounding ion space charge. Kaptzov's hypothesis (KH) relates to the assumption that the space charge emitted into the interelectrode gap is in amounts that hold the surface field at the onset level.

  • High‐Power Considerations in Microwave Filter Networks

    This chapter presents an overview of high‐power considerations for microwave filters and multiplexing networks in terrestrial and space applications. It reviews the phenomenon of breakdown and then describes in more detail the practical considerations in the design of highpower filter networks. The chapter also reviews the gas discharge phenomenon at microwave frequencies, and the impact on the design of high‐power passive microwave components. A number of constraints are essential to initiate and sustain multipaction discharge. The violation of any of those constraints should, therefore, provide the means to suppress multipaction. Possible ways to prevent the occurrence of this phenomenon are enumerated as follows: control of the frequency‐gap product; dielectric filling; pressurization; magnetic or dc bias; and reduction of the surface potential by treatment of materials. The chapter further tabulates the characteristics and relative advantages of these methods.

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