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Arc Rotation In 4 Ring Ac Arc Heater
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Book Synopsis Arc Rotation in 4 Ring AC Arc Heater by : Richard L. Humphrey
Download or read book Arc Rotation in 4 Ring AC Arc Heater written by Richard L. Humphrey and published by . This book was released on 1968 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: A study of arc column rotation in a 4 ring ac arc heater without an external magnetic field is presented. Arc column speed is found to depend upon arc current, arc heater pressure, amount and direction of air injection and electrode geometry. The methods used for the experiments and the evaluation of the filmed data are described and justified. Arc heater efficiency and stability has been improved as a result of this work. (Author).
Book Synopsis ARC ROTATION IN A 4 RING AC ARC HEATER. by : Richard L. Humphrey
Download or read book ARC ROTATION IN A 4 RING AC ARC HEATER. written by Richard L. Humphrey and published by . This book was released on 1968 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: A study of arc column rotation in a 4 ring ac arc heater without an external magnetic field is presented. Arc column speed is found to depend upon arc current, arc heater pressure, amount and direction of air injection and electrode geometry. The methods used for the experiments and the evaluation of the filmed data are described and justified. Arc heater efficiency and stability has been improved as a result of this work. (Author).
Book Synopsis The NOL Four-ring Three-phase Ac Arc Heater (Mk IV) by : Erhard M. Winkler
Download or read book The NOL Four-ring Three-phase Ac Arc Heater (Mk IV) written by Erhard M. Winkler and published by . This book was released on 1970 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design and performance of a four-ring three-phase ac ARC Heater are described. Successful operation at pressures of 10 to 33 atmospheres, temperatures of 2000 to 5000 degrees K and efficiencies of 25 to 60 percent has been demonstrated. Improvements in heater components will allow pressures of 70 atmospheres to be obtained. (Author).
Book Synopsis THE NOL 4-RING A-C ARC HEATERS. by : E. M. Winkler
Download or read book THE NOL 4-RING A-C ARC HEATERS. written by E. M. Winkler and published by . This book was released on 1966 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two 4-electrode 3-phase arc heaters (designated Mark III and IV) are described. These heaters feature smaller internal volumes and electrode diameters than the previous heaters. The air temperatures and efficiencies produced by the Mark III arc heater are higher than those previously obtained. The Mark IV heater, now under construction, is designed to two-minute operation with a hypersonic wind tunnel.
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 818 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Performance Improvement of Arc Heaters for Aerodynamic Wind Tunnels by : R. C. Eschenbach
Download or read book Performance Improvement of Arc Heaters for Aerodynamic Wind Tunnels written by R. C. Eschenbach and published by . This book was released on 1965 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Three avenues for increasing the enthalpy attainable from scalable high performance arc heaters were studied: radiation loss reduction, magnetic control of arc terminations and geometry changes. The radiation loss work showed centerline arc column enthalpies over 30,000 Btu/lb. Because the arc column is optically thin, substantial reduction of radiation loss seems infeasible. Large arc devices will be limited more by radiation than small. Modest improvements in performance were achieved with magnetic interactions, which were found to be extremely complex. Proper proportioning of radial and axial field components was quite important, especially in maintaining scalability. Marked undesirable effects occurred when the auxiliary field coil was located near the electrode gap. Distinct performance improvements were achieved by changes in geometry, with air injection and chamber design the most significant for the low flow, high current region studied. (Author).
Book Synopsis The Nol Four-ring Three-phase Ac Arc Heater (mk Iv). by : Eva M. Winkler
Download or read book The Nol Four-ring Three-phase Ac Arc Heater (mk Iv). written by Eva M. Winkler and published by . This book was released on 1970 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design and performance of a four-ring three-phase ac ARC Heater are described. Successful operation at pressures of 10 to 33 atmospheres, temperatures of 2000 to 5000 degrees K and efficiencies of 25 to 60 percent has been demonstrated. Improvements in heater components will allow pressures of 70 atmospheres to be obtained. (Author).
Book Synopsis Population Inversions in an Expanding Gas by : John David Anderson (Jr.)
Download or read book Population Inversions in an Expanding Gas written by John David Anderson (Jr.) and published by . This book was released on 1971 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is well established that population inversions between the (001) and (100) vibrational energy levels of CO2 can be created by rapid expansions of CO2-N2-H2O or He mixtures through supersonic nozzles. New experimental results are presented for such inversions. These experiments were conducted in both the 3-Megawatt Arc Tunnel and the 12.7 cm Shock Tunnel at the Naval Ordnance Laboratory. The results support previously published theoretical predictions obtained with a numerical, time-dependent, nonequilibrium nozzle flow analysis employing a simplified vibrational kinetic model. This theory is also compared with experimental data obtained by other investigators. (Author).
Download or read book Fusion Energy Update written by and published by . This book was released on 1978 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Electrochemical Society. Electrothermics and Metallurgy Division Publisher :Princeton, N.J. : Electrothermics and Metallurgy and Corrosion Divisions, Electrochemical Society ISBN 13 : Total Pages :1062 pages Book Rating :4.:/5 (41 download)
Book Synopsis Metal-slag-gas Reactions and Processes by : Electrochemical Society. Electrothermics and Metallurgy Division
Download or read book Metal-slag-gas Reactions and Processes written by Electrochemical Society. Electrothermics and Metallurgy Division and published by Princeton, N.J. : Electrothermics and Metallurgy and Corrosion Divisions, Electrochemical Society. This book was released on 1975 with total page 1062 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Gasdynamic Lasers: An Introduction by : John D. Jr. Anderson
Download or read book Gasdynamic Lasers: An Introduction written by John D. Jr. Anderson and published by Elsevier. This book was released on 2012-12-02 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gasdynamic Lasers: An Introduction is a 12-chapter introductory text to major development generations of gasdynamic lasers, focusing on their underlying physical and fundamental aspects. The opening chapters discuss the basic detailed physical phenomena that ultimately are responsible for producing gasdynamic laser action and the methods of calculating the performance of these devices. These topics are followed by a chapter on confirmation of the performance calculations through arc and shock tunnel experiments. The discussion then shifts to vibrational relaxation process behind normal shock waves in CO2-N2-He mixtures and assesses their population inversions occurring in the nonequilibrium flow. Other chapters explore the concepts of downstream mixing and optical cavity in gasdynamic lasers, as well as the laser beam extracted from these devices. A systematic study of aerodynamic windows that use supersonic flow across the aperture is presented in the concluding chapters, along with the phenomena associated with gasdynamic laser diffusers. This introductory text will be of great value to professional scientists and engineers, as well as to students and workers in the field who are interested in interdisciplinary applied science.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1993 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis United States Trade in Merchandise and Gold and Silver with United States Territories and Possessions Except Alaska and Hawaii by :
Download or read book United States Trade in Merchandise and Gold and Silver with United States Territories and Possessions Except Alaska and Hawaii written by and published by . This book was released on 1996 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1979 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Engineering Index written by and published by . This book was released on 1922 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since its creation in 1884, Engineering Index has covered virtually every major engineering innovation from around the world. It serves as the historical record of virtually every major engineering innovation of the 20th century. Recent content is a vital resource for current awareness, new production information, technological forecasting and competitive intelligence. The world?s most comprehensive interdisciplinary engineering database, Engineering Index contains over 10.7 million records. Each year, over 500,000 new abstracts are added from over 5,000 scholarly journals, trade magazines, and conference proceedings. Coverage spans over 175 engineering disciplines from over 80 countries. Updated weekly.
Book Synopsis Electrochemical and Metallurgical Industry by : Eugene Franz Roeber
Download or read book Electrochemical and Metallurgical Industry written by Eugene Franz Roeber and published by . This book was released on 1909 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the American Institute of Electrical Engineers by :
Download or read book Proceedings of the American Institute of Electrical Engineers written by and published by . This book was released on 1927 with total page 1524 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1887-1946 include the preprint pages of the institute's Transactions.
