Low Frequency Oscillations in Gas Discharges PDF Download
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Author: Francis F. Chen
Publisher:
ISBN:
Category : Oscillations
Languages : en
Pages : 15
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Book Description
Author: Francis F. Chen
Publisher:
ISBN:
Category : Oscillations
Languages : en
Pages : 15
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Book Description
Author: M. M. Chetverikova
Publisher:
ISBN:
Category : Gas tubes
Languages : en
Pages : 12
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Author: Philip L. Newton
Publisher:
ISBN:
Category :
Languages : en
Pages : 89
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Book Description
The dispersion of waves of ionization were studied in nitrogen and in carbon dioxide. The waves were excited by current modulation and the dispersion recorded using a time-space display method. In N2 and in CO2 the ionization waves were cathode to anode forward waves. Their dispersion is presented as a function of the gas pressure and of the discharge currents. The waves with finite group velocity were always attenuated in the pressure range studied (0.3 to 5 torr) but standing striations were obtained at the lower pressures without current modulation. However in the mixture N2-CO2, the discharge was very unstable and showed a broad-band spectrum of low frequency oscillations. These self-excited oscillations did not permit time-sampling diagnostics. A 0 to 100 kHz digital correlator was applied to determine the characteristics of these apparently random ionization waves. Results of this experiment are presented. (Author).
Author: Thong Saw Pak
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Robert Alexander Bailey
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: A. M. Howatson
Publisher: Elsevier
ISBN: 1483138364
Category : Science
Languages : en
Pages : 257
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Book Description
An Introduction to Gas Discharges: Second Edition aims to provide a compact introduction to the subject of gas discharges, which continues to make both scientific and industrial progress. In this second edition, the author has made minor corrections, rewritten and expanded some sections, used SI units and modernized notions, in hopes of making the book more up to date. Included in the book is a short history of the subject, an introduction that enumerates the types of gas discharges, the fundamental processes, and then moves on to the more specific areas such as the breakdown, the self-sustaining discharge, equilibrium, plasma properties and measurements, and the technological applications of gas discharges. Concise and easy to understand, the text is for students and researchers who wish to learn the subject and prepare them for more advanced readings.
Author: Gilman Arthur Hill
Publisher:
ISBN:
Category :
Languages : en
Pages : 90
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Author: F. W. Crawford
Publisher:
ISBN:
Category : Oscillations
Languages : en
Pages : 110
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Book Description
This analysis is concerned mainly with oscillations and fluctuations which occur either spontaneously, or as a result of deliberate excitation, in low-pressure, hot-cathode plasmas. Experimental observations on high and low frequency effects occurring spontaneously are discussed, and speculations are made on the possible gener-ATION MECHANISMS. In many cases, theories of these mechanisms have been treated in experiments involving deliberate excitation of oscillations, and comparisons are made where relevant. For device applications, and to relieve the difficulties which occur in quantitative experiments in plasma physics, it is important that the sources of spontaneous oscillations should be understood and suppressed if possible. The analysis includes a discussion of work which has been carried out to reduce these effects, and concludes with some suggestions for further lines of attack on the problems. (Author).
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Druyvesteyn analysis (using electronic methods for obtaining first and second derivatives of probe current versus probe potential) and Langmuir probe techniques, are utilized for the investigation of discharges in neon, argon, and krypton at ten microns pressure. Plasma densitieb as determined from the positive ion section of the probe current curves, from Druyvesteyn analysis, and from observed electron oscillation frequencies, are compared with oscillation amplitudes. Electron oscillations were not detected throughout the discharge; however, at some positions multiple frequencies were detected. Ion oscillations, detected throughout the discharge, corresponded in magnitude to Langmuir electrostatic sound waves, and peaked in amplitude with the electron oscillations.
Author: Duncan H. Looney
Publisher:
ISBN:
Category :
Languages : en
Pages : 222
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Book Description
