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Sunday, August 9, 2020 | History

3 edition of Electric probes in stationary and flowing plasmas: theory and application found in the catalog.

Electric probes in stationary and flowing plasmas: theory and application

Paul Myung-Ha Chung

Electric probes in stationary and flowing plasmas: theory and application

by Paul Myung-Ha Chung

  • 311 Want to read
  • 27 Currently reading

Published by Springer-Verlag in New York .
Written in English

    Subjects:
  • Plasma diagnostics.,
  • Probes (Electronic instruments)

  • Edition Notes

    Includes bibliographies.

    Statement[by] Paul M. Chung, Lawrence Talbot [and] Kenell J. Touryan.
    SeriesApplied physics and engineering,, v. 11
    ContributionsTalbot, Lawrence, 1925- joint author., Touryan, K. J., joint author.
    Classifications
    LC ClassificationsQC718.5.D5 C48
    The Physical Object
    Paginationxiv, 150 p.
    Number of Pages150
    ID Numbers
    Open LibraryOL5048165M
    ISBN 100387068007
    LC Control Number74008844

    Plasma as a Fluid technological achievements and applications of electric thrusters in space. understanding of the physics of electric thrusters. The purpose of this book is to discuss and explain how modern ion and Hall thrusters work by describing the fundamental physics of these devices. This is a challenging task requiring a. The units used throughout the book are based on the International System (SI). However, by convention we will occasionally revert to other metric units (such as A/cm2, mg/s, etc.) commonly used in the literature describing these devices. Maxwell’s Equations The electric and magnetic fields that exist in electric propulsion plasmas obey.

    The Langmuir Probe used in Plasma Etching applications; End-point detection of polymer etching using Langmuir Probes Abstract. Determining accurately the end point of a plasma-etching process is extremely important for integrated circuit fabrication, as overetching can result in the removal of part of the film, or substrate lying under the film to be etched, and/or in extra undercut of the film. Definition. Plasma is a state of matter in which an ionized gaseous substance becomes highly electrically conductive to the point that long-range electric and magnetic fields dominate the behaviour of the matter. The plasma state can be contrasted with the other states: solid, liquid, and gas.. Plasma is an electrically neutral medium of unbound positive and negative particles (i.e. the.

    E.C.D. Todd, in Encyclopedia of Food Safety, Pulsed Electric Field Pasteurization. In pulsed electric field pasteurization (PEF), a liquid or semiliquid product is placed between two electrodes and a pulsed electric field is applied. This process involves applying repeated short pulses of a high-voltage electric field, for example, 10–80 kV cm −1, to a fluid pumped between two. collected by the probe in an electronegative flowing plasma was shown to cause the standard convection limited regime probe analysis method for a flowing plasma to underestimate the positive ion density of the flowing electronegative plasma by up to 50% for a given probe bias. The combined use of a convective RF discharge and probe.


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Electric probes in stationary and flowing plasmas: theory and application by Paul Myung-Ha Chung Download PDF EPUB FB2

Electric Probes in Stationary and Flowing Plasmas: Theory and Application (Applied Physics and Engineering (11)) Softcover reprint of the original 1st ed.

Edition by Paul M. Chung (Author)Cited by: The electric probe has long been used as a fundamental diagnostic tool for measuring the local properties of a plasma. Since Langmuir first developed the electric-probe technique inprobes have been used to measure electron densities and temperatures in a wide variety of gaseous ionized.

Since Langmuir first developed the electric-probe technique inprobes have been used to measure electron densities and temperatures in a wide variety of gaseous ionized media, such as electric discharges, afterglows, ionizing shock waves, flames, MHD, and plasma-jet flows, reentry vehicle flow fields, and atmospheric and space plasmas.

Get this from a library. Electric probes in stationary and flowing plasmas: theory and application. [Paul Myung-Ha CHUNG; Kenell J TOURYAN; Lawrence TALBOT].

Electric probes in stationary and flowing plasmas: theory and application. New York, Springer-Verlag, (OCoLC) Document Type: Book: All Authors / Contributors: Paul Myung-Ha Chung; Lawrence Talbot; K J Touryan.

Collisionless and transitional electric probes are examined, taking into account early theories, the orbital motion limit, questions of cold-ion approximation, collisional effects on probe response, the effect of flow on aligned cylindrical probes under collisionless conditions, and exact theories for current collection by spherical and cylindrical probes in the collisionless limit.

Application of a tuned Langmuir probe for the diagnostic study of radio frequency glow discharges: instrumentation and theory Spectrochimica Acta Part B: Atomic Spectroscopy, Vol. 50, No. 9 A multi-fluid stagnation-flow plasma model with self-consistent treatment of the collisional sheath.

Electric probe methods for diagnostics of plasmas are reviewed with emphasis on the link between the appropriate probe theories and the instrumental design. The starting point is an elementary discussion of the working principles and a discussion of the physical quantities that can be measured by the probe method.

This is followed by a systematic classification of the various regimes of probe. Abstract Electric probes, such as the Langmuir and capacitive probes, are designed and fabricated to characterize microwave-produced plasma. In microwave.

Paul M. Chung, Lawrence Talbot, and Kennell J. Touryan, Electric Probes in Stationary and Flowing Plasmas: Theory and Application Springer-Verlag, New York (). Electric probes can be advantageously applied to the study of nonequilibrium induced in thermal plasmas by the presence of cold boundaries, since the interpretation of experimental data does not require any assumption about the thermodynamic state of the plasma.

An experimental setup and procedure are described which allow accurate measurements of the electron temperature profiles in. ELECTRICAL THEORY AND APPLICATION 3/15/04 Rev Page 3 L&L Kiln Mfg, Inc.

P.O.BBoothwyn, PA P F E:[email protected] Make sure the environment around the equipment being serviced is safe. For instance, when working around. Electric Probes in Stationary and Flowing Plasmas: Theory and Application.

Book. turbulent plasmas, and electric probes in magnetic fields. are frequently used for a number of applications. The collection of plasma particles by an ideal spherical object has applications e.g., in the operation of Langmuir probes, spacecraft and other immersed objects and, especially, for grains in dusty plasma[1–8].

Chung, P. M.,Talbot, L., and Touryan, K. Electric Probes in Stationary and Flowing Plasmas: Theory and Application (New. [43] McDonald M. S., Liang R. and Gallimore A. D., “ Practical Application of Wide Bandwidth Floating Emissive Probes and Wavelet Analysis to the X2 Nested Hall Thruster,” International Electric Propulsion Conference, Electric Rocket Propulsion Soc.

Paper The stationary interactions of a probe with a disturbance-free plasma surrounding it is described. Assuming cylindrical or spherical symmetry, the theory of the plasma environment of the probe is developed.

The theory starts from the coupled system with Vlasov and Poisson equations, which are exactly solved with a numerical iteration procedure.

Existing probe theories are examined with respect to the application at high pressure and in this, the first of a series of papers, an interpretation based on different assumptions is presented. Talbot L and Touryan K J Electric Probes in Stationary and Flowing Plasmas: Theory and application (New York: Springer) Google Scholar.

Book Search tips Selecting this option will search all publications across the Scitation platform Selecting this option will in Electrical Probes for Plasma Diagnostics, (American Elsevier, New York, L. Talbot, and K. Touryan, Electric Probes in Stationary and Flowing Plasmas: Theory and Application (Springer, New York, To cite this article: I H Hutchinson Plasma Phys.

Control. Fusion 44 View the article online for updates and enhancements. Related content Ion collection by a sphere in a flowing plasma I H Hutchinson-Angular distribution of current to a sphere in a flowing, weakly magnetized plasma Leonardo Patacchini and Ian H Hutchinson-Mach probes.

In this investigation we parametrize the numerical results of Laframboise with the function f(χ)=a(b+χ) c, where a, b, and c are fit parameters and χ is the normalized probe potential. The fits show a clear relation between these fitting parameters and the probe characteristic. With these parameters we construct a self-consistent algorithm to fit measured cylindrical probe characteristics.

Current–voltage (I–V) curves have been measured, independent of the main discharge, for electricity passing through the steady state fast flowing ‘afterglow’ plasma of a low power dc glow discharge in Ar.

Voltage profiles along the axial line of conduction have been mapped using fixed probes and potentiometry, and the mass spectra of cations emerging from the downstream sampling Cone.casually referred to as the plasma velocity or plasma flow velocity, is a measure of the mass-flow of the plasma.

The Mach probe specifically measures the 'Mach number' M of the plasma, which is the plasma flow velocity divided by the ion sound speed cs M = flo () Cs where cs = TeT and mi is the mass of the ions. The plasma Mach number is often.History. The idea of electric propulsion for spacecraft dates back tointroduced in a publication by Konstantin Tsiolkovsky.

Earlier, Robert Goddard had noted such a possibility in his personal notebook. Electrically-powered propulsion with a nuclear reactor was considered by Dr. Tony Martin for interstellar Project Daedalus inbut the novel approach was rejected because of very.