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Plasma Studies In A Shock Tube
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Book Synopsis Plasma Studies in a Shock Tube by : John W. Daiber
Download or read book Plasma Studies in a Shock Tube written by John W. Daiber and published by . This book was released on 1961 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: Air plasmas produced by shock waves were studied in the temperature range extending from 3000 K to 5000 K at densities ranging from 0.005 to 0.015 that of standard air density. Microwave reflection measurements from these plasmas have been made at frequencies of 3320 and 9375 mc. A major aim of the reflection measurements was to determine whether or not polarization forces on the electron are important. The present results indicate that the Sellmeier theory, in which the polarization forces are assumed to be negligible, is the proper theory for relating electron concentrations and cross sections with macroscopic electrical parameters. In addition, the collision frequencies of electrons in air were found to agree closely with those reported by Lamb and Lin. The data also provided an estimate of the relaxation time for electron formation. (Author).
Book Synopsis A Study of the Feasibility and Design of a Shock Tube Suitable for Plasma Studies by : Gary J. Hordemann
Download or read book A Study of the Feasibility and Design of a Shock Tube Suitable for Plasma Studies written by Gary J. Hordemann and published by . This book was released on 1962 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Fast Inverse Pinch Shock Tube for Plasma Shock Wave Studies by : George C. Vlases
Download or read book A Fast Inverse Pinch Shock Tube for Plasma Shock Wave Studies written by George C. Vlases and published by . This book was released on 1965 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Absolute and Relative Spectral Line Intensity Measurements in a Plasma Shock Tube by : Mell A Peterson (Jr)
Download or read book Absolute and Relative Spectral Line Intensity Measurements in a Plasma Shock Tube written by Mell A Peterson (Jr) and published by . This book was released on 1962 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: A spectroscopic investigation of a plasma shock tube may reveal the number density and temperature of the constituents of the plasma. Such an investigation was conducted on a cylindrical fused quartz shock tube and a square, three inch aluminum shock tube in June-July, 1961. Deuterium and hydrogen plasmas were investigated separately. General characteristics including ringing frequency and longitudinal visible shock front velocity were determined. Spectral line analysis from a 1.7 meter quartz prism spectrograph permitted the determination of the shock tube impurities and relative line intensities. Use of the latter instrument in conjunction with a tungsten ribbon calibration lamp and a step filter provided an absolute intensity standard. For the hydrogen plasma, relative and absolute spectral line intensities were obtained which permitted calculation of ion and electron densities to 10 to the 17th power/cu cm and peak temperatures of 4 ev.
Book Synopsis Spectroscopic Studies of a Hydrogen Plasma Generated in an Electrically Driven Shock Tube by : A. Wayne Johnson
Download or read book Spectroscopic Studies of a Hydrogen Plasma Generated in an Electrically Driven Shock Tube written by A. Wayne Johnson and published by . This book was released on 1965 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Construction and Operation of a Plasma Shock Tube by : Marc Finkelstein
Download or read book The Construction and Operation of a Plasma Shock Tube written by Marc Finkelstein and published by . This book was released on 1970 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High Density Turbulent Plasma Processes from a Shock Tube. Final Performance Report by :
Download or read book High Density Turbulent Plasma Processes from a Shock Tube. Final Performance Report written by and published by . This book was released on 1997 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: A broad-based set of measurements has begun on high density turbulent plasma processes. This includes determinations of new plasma physics and the initiation of work on new diagnostics for collisional plasmas as follows: (1) A transient increase is observed in both the spectral energy decay rate and the degree of chaotic complexity at the interface of a shock wave and a turbulent ionized gas. Even though the gas is apparently brought to rest by the shock wave, no evidence is found either of prompt relaminarization or of any systematic influence of end-wall material thermal conductivities on the turbulence parameters. (2) Point fluorescence emissions and averaged spectral line evolutions in turbulent plasmas produced in both the primary and the reflected shock wave flows exhibit ergodicity in the standard turbulence parameters. The data show first evidence of a reverse energy cascade in the collisional turbulent plasma. This suggests that the fully turbulent environment can be described using a stationary state formulation. In these same data, the author finds compelling evidence for a turbulent Stark effect on neutral emission lines in these data which is associated with evidence of large coherent structures and dominant modes in the Fourier analyses of the fluctuations in the optical spectra. (3) A neutral beam generator has been assembled by coupling a Colutron Ion Gun to a charge exchange chamber. Beam-target collisions where the target species is neutral and the beam is either singly charged or neutral have been performed using argon as the working gas. Spectral analysis of the emission shows specific radiative transitions characteristic of both Ar I and Ar II, indicating that some ionization of the target gas results. Gas and plasma parameters such as density, pressure, temperature and flow velocity and their fluctuations can now be followed in real time by spectroscopic analysis of carefully chosen radiative emissions.
Book Synopsis Shock-tube Study of Fusion Plasma-wall Interactions by :
Download or read book Shock-tube Study of Fusion Plasma-wall Interactions written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Theoretical and experimental studies have been made of phenomena which occur when a hot (T1 approximately equal to 6 x 106 °K), dense (n approximately equal to 1016 cm−3), deuterium plasma containing a transverse magnetic field is brought into sudden contact with a cold metal wall. These studies are motivated by the need to understand plasma and metallurgical conditions at the first-wall of a fusion reactor. Experiments were carried out in the Columbia high energy electromagnetic shock tube. Computational simulation was used to investigate the detailed physics of the fusion plasma boundary layer which develops at the wall. The rate of energy transfer from the plasma to the wall was calculated and conditions under which surface melting occurs are estimated. Experimental measurements of plasma-wall heat transfer rates up to 3 x 105 watts/cm2 were obtained and agreement with computed values are good. Fusion reactor first-wall materials have been exposed to 6.0 x 1021 eV cm−2 (1,000 shots) of deuterium plasma bombardment. Scanning electron micrograph photographs show preferential erosion at grain boundaries, formation of deuterium surface blisters, and evidence of local surface melting. Some cracking is observed along grain boundaries, and a decrease in tensile ductiity is measured.
Book Synopsis Design and Construction of a Plasma Shock Tube for Laboratory Observation and Experimentation by : Frank Sieber Brugner
Download or read book Design and Construction of a Plasma Shock Tube for Laboratory Observation and Experimentation written by Frank Sieber Brugner and published by . This book was released on 1966 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physics of Shock Waves in Gases and Plasmas by : Michael A. Libermann
Download or read book Physics of Shock Waves in Gases and Plasmas written by Michael A. Libermann and published by Springer. This book was released on 2012-07-26 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: As Emile Jouguet remarked, "the shock wave flew off the tip of the pen of a theoretician for the first time" about a hundred years ago. The physics of shock waves has since grown into an independent branch of science closely linked with a wide range of research areas, from astrophysics and plasma physics to solid-state physics. Since the beginning, theoretical investiga tion has kept its leading role. The present book is devoted to actual problems of the theory of shock waves in gases and plasmas, that are of general interest to physicists. It con tains the results of studies on shock structure, stability, evolutionarity and dynamics. Of special interest is the theory of shock phenomena in mag netic fields, which is important for applied research on controlled nuclear fusion. A substantial contribution to this theory has been made by these authors. This monograph is the first attempt in the literature to make a systematic presentation of the shock-structure theory.The theory is consistently sub stantiated by relevant experimental results obtained recently with the use of high-power electromagnetic shock tubes. The material contained here is applicable to the solution of a wide variety of problems arising in plasma physics, nuclear fusion and cosmic gasdynamics. I believe that this book will be of help and interest for a broad circle of research workers (physi cists, astrophysicists and engineers concerned with energy accumulation, shock phenomena and other related problems of plasma hydrodynamics) as well as for university staff, post- and undergraduates.
Book Synopsis The Heating of a Shock Tube Plasma with a Carbon Dioxide Laser by : Stephen John Charles Box
Download or read book The Heating of a Shock Tube Plasma with a Carbon Dioxide Laser written by Stephen John Charles Box and published by . This book was released on 1978 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plasma Flow in an Electromagnetic Shock Tube and in a Compression Shock Tube by : J. L. Wilson
Download or read book Plasma Flow in an Electromagnetic Shock Tube and in a Compression Shock Tube written by J. L. Wilson and published by . This book was released on 1966 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physics of Shock Waves in Gases and Plasmas by : Michael A. Libermann
Download or read book Physics of Shock Waves in Gases and Plasmas written by Michael A. Libermann and published by Springer. This book was released on 1986 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: As Emile Jouguet remarked, "the shock wave flew off the tip of the pen of a theoretician for the first time" about a hundred years ago. The physics of shock waves has since grown into an independent branch of science closely linked with a wide range of research areas, from astrophysics and plasma physics to solid-state physics. Since the beginning, theoretical investiga tion has kept its leading role. The present book is devoted to actual problems of the theory of shock waves in gases and plasmas, that are of general interest to physicists. It con tains the results of studies on shock structure, stability, evolutionarity and dynamics. Of special interest is the theory of shock phenomena in mag netic fields, which is important for applied research on controlled nuclear fusion. A substantial contribution to this theory has been made by these authors. This monograph is the first attempt in the literature to make a systematic presentation of the shock-structure theory.The theory is consistently sub stantiated by relevant experimental results obtained recently with the use of high-power electromagnetic shock tubes. The material contained here is applicable to the solution of a wide variety of problems arising in plasma physics, nuclear fusion and cosmic gasdynamics. I believe that this book will be of help and interest for a broad circle of research workers (physi cists, astrophysicists and engineers concerned with energy accumulation, shock phenomena and other related problems of plasma hydrodynamics) as well as for university staff, post- and undergraduates.
Book Synopsis Shock Tubes and Waves by : Charles E. Treanor
Download or read book Shock Tubes and Waves written by Charles E. Treanor and published by State University of New York Press. This book was released on 1982-06-30 with total page 908 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sponsored by the U.S. Air Force Office of Scientific Research, this conference was held in Niagara Falls on July 6–9, 1981. This book includes material on the following topics: instrumentation and diagnostics, shock tube facilities and techniques, gas dynamic experiments, heat transfer and real gas effects, boundary layers, shock structure, shock propagation, laser and spectral optical studies, chem and kinetics, relaxation and excitation, ionization, dusty gases, two-phase flow and condensation, shock waves in the environment and energy, and energy-related processes. The book contains a total of 98 papers by well-known specialists.
Book Synopsis Shock Tubes by : Irving Israel Glass
Download or read book Shock Tubes written by Irving Israel Glass and published by University of Toronto Press. This book was released on 1970-12-15 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the proceedings of a symposium held at the University of Toronto in June 1969. The symposium consisted of six sessions; each containing an invited paper, followed by six contributed papers reporting on recent, relevant research and development. The topics are: a review of research problems in basic shock tube flows and the possibilities for the shock tube in the future; driving techniques; explosive drivers; theoretical and experimental research in electromagnetic shock tubes; chemical kinetics and spectroscopy; and a review of shock tube diagnostics, instrumentation and fundamental data as well as the measurement of physical quantities.
Book Synopsis Plasma Physics and Magnetohydrodynamics by : Defense Documentation Center (U.S.)
Download or read book Plasma Physics and Magnetohydrodynamics written by Defense Documentation Center (U.S.) and published by . This book was released on 1962 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of an Electromagnetic Shock Tube for Generating Strong Shocks in Air by : James F. Roach
Download or read book Evaluation of an Electromagnetic Shock Tube for Generating Strong Shocks in Air written by James F. Roach and published by . This book was released on 1963 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
