Vibrational Relaxation and Radiative Gain in Expanding Flows of Anharmonic Oscillators

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Total Pages : 36 pages
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Book Synopsis Vibrational Relaxation and Radiative Gain in Expanding Flows of Anharmonic Oscillators by : Robert L. McKenzie

Download or read book Vibrational Relaxation and Radiative Gain in Expanding Flows of Anharmonic Oscillators written by Robert L. McKenzie and published by . This book was released on 1971 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The set of master rate equations for the vibrational relaxation of mixtures of anharmonic diatomic gases in supersonic nozzle expansions is integrated numerically. Large deviations from a Boltzmann distribution of vibrational state population are predicted, particularly when vibrational energy is exchanged between two near-resonant diatomic species. Radiative gain coefficients for nonequilibrium vibration-rotation transitions are also computed and positive gains, sufficient to support laser oscillations, are predicted for CO-N2 and CO-N,-Ar admixtures.

Vibrational Relaxation and Radiative Gain in Expanding Flows of Anharmonic Oscillators

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ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (618 download)

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Book Synopsis Vibrational Relaxation and Radiative Gain in Expanding Flows of Anharmonic Oscillators by : Robert L. McKenzie

Download or read book Vibrational Relaxation and Radiative Gain in Expanding Flows of Anharmonic Oscillators written by Robert L. McKenzie and published by . This book was released on 1971 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The set of master rate equations for the vibrational relaxation of mixtures of anharmonic diatomic gases in supersonic nozzle expansions is integrated numerically. Large deviations from a Boltzmann distribution of vibrational state population are predicted, particularly when vibrational energy is exchanged between two near-resonant diatomic species. Radiative gain coefficients for nonequilibrium vibration-rotation transitions are also computed and positive gains, sufficient to support laser oscillations, are predicted for CO-N2 and CO-N, -Ar admixtures.

Vibrational Relaxation of Anharmonic Oscillators in Expanding Flows

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Total Pages : pages
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Book Synopsis Vibrational Relaxation of Anharmonic Oscillators in Expanding Flows by : Stephen M. Ruffin

Download or read book Vibrational Relaxation of Anharmonic Oscillators in Expanding Flows written by Stephen M. Ruffin and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

NASA Technical Note

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ISBN 13 :
Total Pages : 564 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis NASA Technical Note by :

Download or read book NASA Technical Note written by and published by . This book was released on 1971 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Monthly Catalog of United States Government Publications

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ISBN 13 :
Total Pages : 1386 pages
Book Rating : 4.:/5 (891 download)

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Book Synopsis Monthly Catalog of United States Government Publications by :

Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on with total page 1386 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Monthly Catalog of United States Government Publications, Cumulative Index

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ISBN 13 :
Total Pages : 1466 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Monthly Catalog of United States Government Publications, Cumulative Index by : United States. Superintendent of Documents

Download or read book Monthly Catalog of United States Government Publications, Cumulative Index written by United States. Superintendent of Documents and published by . This book was released on 1976 with total page 1466 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Equations for the Kinetic Modeling of Supersonically Flowing Electrically Excited Lasers

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ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Equations for the Kinetic Modeling of Supersonically Flowing Electrically Excited Lasers by :

Download or read book Equations for the Kinetic Modeling of Supersonically Flowing Electrically Excited Lasers written by and published by . This book was released on 1973 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Monthly Catalog of United States Government Publications

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ISBN 13 :
Total Pages : 1290 pages
Book Rating : 4.:/5 (29 download)

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Book Synopsis Monthly Catalog of United States Government Publications by : United States. Superintendent of Documents

Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1971 with total page 1290 pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.

Cost and Efficiency in Military Specialty Training

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ISBN 13 :
Total Pages : 298 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Cost and Efficiency in Military Specialty Training by : Robert M. Gay

Download or read book Cost and Efficiency in Military Specialty Training written by Robert M. Gay and published by . This book was released on 1974 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: The paper focuses on the issue--specialty training for first-term enlisted personnel--and deals briefly with the relationship between this topic and other aspects of the efficient management of military specialties. The conceptual framework, or methodology, for evaluating specialty training which has been developed at Rand considers the costs of both formal and on-the-job training as well as the returns to training for first-term enlisted personnel. This methodology was pilot-tested using members of one Air Force specialty, and results of that study are described. In the pilot study, average costs and returns to training were estimated, and, in addition, estimates were made of the relationship between individual attributes and the cost of training.

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 1282 pages
Book Rating : 4.:/5 (31 download)

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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 1982 with total page 1282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

Vibrational Relaxation of Anharmonic Oscillators

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ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Vibrational Relaxation of Anharmonic Oscillators by : J. W. Rich

Download or read book Vibrational Relaxation of Anharmonic Oscillators written by J. W. Rich and published by . This book was released on 1967 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: The terms in the master equation for vibrational relaxation of anharmonic oscillators are ordered according to the rates of the relaxation processes (vibrational exchange, vibrational-energy transfer to translation). A perturbation procedure is developed by making use of the fact that the vibration-translation energy exchange transitions are much slower than the vibration-vibration transitions. The population distributions in the master equation are expanded about their values when the vibration-vibration mechanism is the only one present. To zeroth order, the master equation is satisfied by a distribution derived previously by Treanor for anharmonic oscillators. This distribution is maintained by vibration-vibration exchange, and is only Boltzmann during relaxation in the limit of vanishing anharmonicity. The perturbation on this distribution, created by vibration energy transfer to translation, is calculated to first order for a special case. The relaxation of the first moment of the zeroth-order distribution function is also investigated. The population of the lowest vibrational states can be considerably lower than the population predicted by the Landau-Teller model for the relaxation process. Furthermore, since the inversion tends to weight those states having fast vibration-to-translation energy transfer rates, the overall energy relaxation rate can be accelerated. (Author).

Laser Focus

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ISBN 13 :
Total Pages : 818 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Laser Focus by :

Download or read book Laser Focus written by and published by . This book was released on 1972 with total page 818 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Vibrational Relaxation of Anharmonic Oscillators

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ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.:/5 (39 download)

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Book Synopsis Vibrational Relaxation of Anharmonic Oscillators by : Lowell Dean McMillen

Download or read book Vibrational Relaxation of Anharmonic Oscillators written by Lowell Dean McMillen and published by . This book was released on 1971 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Applied Mechanics Reviews

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ISBN 13 :
Total Pages : 776 pages
Book Rating : 4.:/5 (26 download)

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Book Synopsis Applied Mechanics Reviews by :

Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1971 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:

AIAA 74-550 - AIAA 74-603 (With omissions in numbering)

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ISBN 13 :
Total Pages : 766 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis AIAA 74-550 - AIAA 74-603 (With omissions in numbering) by :

Download or read book AIAA 74-550 - AIAA 74-603 (With omissions in numbering) written by and published by . This book was released on 1974 with total page 766 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Investigation of CO Laser Kinetics

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ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Investigation of CO Laser Kinetics by : Friedrich Offenhäuser

Download or read book Investigation of CO Laser Kinetics written by Friedrich Offenhäuser and published by . This book was released on 1986 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Quantitative Theory of an Electron-beam-excited Carbon Monoxide Gas Dynamic Laser

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ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis A Quantitative Theory of an Electron-beam-excited Carbon Monoxide Gas Dynamic Laser by : Chuan Cheng Chen

Download or read book A Quantitative Theory of an Electron-beam-excited Carbon Monoxide Gas Dynamic Laser written by Chuan Cheng Chen and published by . This book was released on 1973 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: