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Time Resolved Spectra In The 80 340 A Wavelength Region From Princeton Large Torus Tokamak Plasmas
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Book Synopsis Time-Resolved Spectra in the 80-340-A Wavelength Region from Princeton Large Torus Tokamak Plasmas by :
Download or read book Time-Resolved Spectra in the 80-340-A Wavelength Region from Princeton Large Torus Tokamak Plasmas written by and published by . This book was released on 1987 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-resolution spectra from the Princeton Large Torus plasma have been recorded by a 2-m Schwob-Fraenkel soft x-ray multichannel spectrometer. Spectra covering wavelength range of approximately 50 A were recorded every 50 msec, and the spectra were normalized and added together to produce composite spectra covering the region 80-340a. Several well-known reference lines were used to establish an absolute wavelength scale, and transition wavelengths were measured to an accuracy of approximately 0.02A. By subtracting spectra recorded at various times throughout the discharge, transitions from ions formed in the cooler and hotter plasmas were easily distinguished, and blends between hot and cold transitions were resolved. Wavelengths of transitions in C, O, Ti, Cr, Mn, Fe, and Ni have been measured. Reprints.
Download or read book Review written by and published by . This book was released on 1988 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of the Optical Society of America by :
Download or read book Journal of the Optical Society of America written by and published by . This book was released on 1988 with total page 766 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Physics Briefs written by and published by . This book was released on 1987 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Optics News written by and published by . This book was released on 1987 with total page 1094 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes a directory of members in one issue each year.
Book Synopsis Spectra in the 60-345-A Wavelength Region of the Elements Fe, Ni, Zn, Ge, Se, and Mo Injected Into the Princeton Large Torus Tokamak by :
Download or read book Spectra in the 60-345-A Wavelength Region of the Elements Fe, Ni, Zn, Ge, Se, and Mo Injected Into the Princeton Large Torus Tokamak written by and published by . This book was released on 1988 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-resolution spectra of the elements Fe, Ni, Ge, Se, and Mo injected into the Princeton Large Torus tokamak were recorded by the 2-m Schwob- Fraenkel soft-x-ray multichannel spectrometer. Spectra were recorded every 50 msec during times before and after injection. The spectral lines of the injected element were very strong in the spectrum recorded immediately after injection, and the transitions in the injected elemented were easily distinguished spectrum recorded immediately after injection, and the transitions in the injected element were easily distinguished from the transitions in the intrinsic elements (C, O, Ti, Cr, Fe, and Ni). An accurate wavelength scale was established using well-known reference transitions in the intrinsic element. The spectra recorded just before injection were subtracted from the spectra recorded after injection, and the resulting spectrum was composed almost entirely of transitions from the injected element. A large number of delta n = 0 transitions between the ground and the first excited configurations in the Li I through K I isoelectronic sequences of the injected elements were identified in the wavelength region 60 to 345 A. Reprints.
Download or read book NRL Review written by and published by . This book was released on 1988 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1991 with total page 1336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Optics Index written by and published by . This book was released on 1990 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spectra in the 60)angstrom) to 345)angstrom) Wavelength Region of Elements Injected Into the PLT Tokamak by :
Download or read book Spectra in the 60)angstrom) to 345)angstrom) Wavelength Region of Elements Injected Into the PLT Tokamak written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: High resolution spectra of the elements Fe, Ni, Zn, Ge, Se, and Mo injected into the PLT tokamak were recorded by the 2-meter Schwob-Fraenkel soft X-ray multichannel spectrometer (SOXMOS). Spectra were recorded every 50 ms during the time before and after injection. The spectral lines of the injected element were very strong in the spectrum recorded immedately after injection, and the transition in the injected element were easily distinguished from the transitions in te intrinsic elements (C, O, Ti, Cr, Fe, and Ni). An accurate wavelength scale was established using well-known reference transitions in the intrinsic elements. The spectra recorded just prior to injection were substracted from the spectra recorded after injection, and the resulting spectrum was composed almost entirely of transitions from the injected element. A large number of .delta.n + 0 transitions between the ground and the first excited configurations in the Li I through K I isoelectronic sequences of the injected elements were identified in the wavelength region 60)angstrom) to 345)angstrom). 33 refs., 5 figs., 1 tab.
Book Synopsis Spectra in the 60 Å - 345 Å Wavelength Region of Elements Injected Into the PLT Tokamak by :
Download or read book Spectra in the 60 Å - 345 Å Wavelength Region of Elements Injected Into the PLT Tokamak written by and published by . This book was released on 1988 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Time Resolved Heliumlike Titanium Spectra from JIPP T-IIU Tokamak by : Takako Katō
Download or read book Time Resolved Heliumlike Titanium Spectra from JIPP T-IIU Tokamak written by Takako Katō and published by . This book was released on 1986 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Regimes of Operation in the Princeton Large Torus by : J. Hosea
Download or read book Regimes of Operation in the Princeton Large Torus written by J. Hosea and published by . This book was released on 1979 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Emission in the 50-80 Ȧ Region from Highly Ionized Silver in PLT Tokamak Plasmas by :
Download or read book Emission in the 50-80 Ȧ Region from Highly Ionized Silver in PLT Tokamak Plasmas written by and published by . This book was released on 1985 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Formation of a 100-kA Tokamak Discharge in the Princeton Large Torus by Lower Hybrid Waves by :
Download or read book Formation of a 100-kA Tokamak Discharge in the Princeton Large Torus by Lower Hybrid Waves written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of non-inductive current drive is of great importance in establishing the tokamak as a long-pulse or steady-state fusion reactor. Lower hybrid waves, carrying 200 kW of power at 800 MHz, have been launched into the PLT tokamak to initiate and drive the discharge current to a level in excess of 100 kA.
Book Synopsis Observations of Giant Recombination Edges on PLT Tokamak Induced by Particle Transport by :
Download or read book Observations of Giant Recombination Edges on PLT Tokamak Induced by Particle Transport written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Characteristic steps in the continum spectrum of high temperature tokamak plasmas associated with recombination radiation from impurity ions were observed. During special argon-seeded discharges on the Princeton Large Torus (PLT) tokamak the x-ray spectrum exhibited large enhancements over the bremsstrahlung continuum beginning with energies of 4.1 keV. This corresponds to the radiative capture of free electrons by hydrogen-like argon into the ground state of helium-like argon. A simple particle diffusion model is proposed, with the Ar XVIII radial profiles evaluated from the size of the recombination edges. For the case of moderate density ( approx. 3 x 1013 cm−3) and temperature (T/sub e/(0) approx. 1.5 keV) discharges the outward radial transport velocity is found to be approximately 10 m/sec.
Book Synopsis Introduction to Plasma Physics and Controlled Fusion by : Francis F. Chen
Download or read book Introduction to Plasma Physics and Controlled Fusion written by Francis F. Chen and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: TO THE SECOND EDITION In the nine years since this book was first written, rapid progress has been made scientifically in nuclear fusion, space physics, and nonlinear plasma theory. At the same time, the energy shortage on the one hand and the exploration of Jupiter and Saturn on the other have increased the national awareness of the important applications of plasma physics to energy production and to the understanding of our space environment. In magnetic confinement fusion, this period has seen the attainment 13 of a Lawson number nTE of 2 x 10 cm -3 sec in the Alcator tokamaks at MIT; neutral-beam heating of the PL T tokamak at Princeton to KTi = 6. 5 keV; increase of average ß to 3%-5% in tokamaks at Oak Ridge and General Atomic; and the stabilization of mirror-confined plasmas at Livermore, together with injection of ion current to near field-reversal conditions in the 2XIIß device. Invention of the tandem mirror has given magnetic confinement a new and exciting dimension. New ideas have emerged, such as the compact torus, surface-field devices, and the EßT mirror-torus hybrid, and some old ideas, such as the stellarator and the reversed-field pinch, have been revived. Radiofrequency heat ing has become a new star with its promise of dc current drive. Perhaps most importantly, great progress has been made in the understanding of the MHD behavior of toroidal plasmas: tearing modes, magnetic Vll Vlll islands, and disruptions.
