A Method for the Experimental Study of Vibrational Nonequilibrium Using Resonant Radiatively Driven Acoustic Waves

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Total Pages : 182 pages
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Book Synopsis A Method for the Experimental Study of Vibrational Nonequilibrium Using Resonant Radiatively Driven Acoustic Waves by : Stanford University. Department of Aeronautics and Astronautics

Download or read book A Method for the Experimental Study of Vibrational Nonequilibrium Using Resonant Radiatively Driven Acoustic Waves written by Stanford University. Department of Aeronautics and Astronautics and published by . This book was released on 1971 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: The work studied, experimentally and theoretically, the interaction of radiative and vibrational nonequilibrium in the motion of an infrared-active gas. Specifically, the study was concerned with acoustic waves caused in the infrared-active gas in a closed tube by a periodic input of radiation. The pressure response associated with these waves is measured and is compared with theoretical predictions. The resonant (or tuned) condition, in which the tube length is an integer multiple of one half the classical acoustic wavelength, with corresponding enhanced response, was of primary interest. A new and unique method of measuring resonance profiles of pressure amplitude and phase angle has been developed. These profiles are obtained by varying the wavelength of the acoustic wave about its resonant value. Theoretical solutions were obtained for the phenomena under study in the experiment, with particular emphasis on the interpretation of the measured resonance-profile information. The solutions are obtained by application of a basic model for the coupling of radiative and vibrational nonequilibrium in an infrared-active diatomic gas, developed in recent work by Gilles and Vincenti. Two types of solutions are discussed. Experiments were performed in pure CO2 and in various mixtures of CO with other gases. (Author).

Study of Vibrational Nonequilibrium Phenomena in CO-N2 Mixtures Disturbed by Radiatively Driven Resonant Acoustic Waves

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Total Pages : 216 pages
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Book Synopsis Study of Vibrational Nonequilibrium Phenomena in CO-N2 Mixtures Disturbed by Radiatively Driven Resonant Acoustic Waves by : Wen-Chang Peng

Download or read book Study of Vibrational Nonequilibrium Phenomena in CO-N2 Mixtures Disturbed by Radiatively Driven Resonant Acoustic Waves written by Wen-Chang Peng and published by . This book was released on 1973 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 994 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 1995 with total page 994 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Applied Mechanics Reviews

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ISBN 13 :
Total Pages : 620 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 1974 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Effect of Ambient Vibrational Nonequilibrium on the Propagation of Acoustic-gravity Waves

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Total Pages : 126 pages
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Book Synopsis The Effect of Ambient Vibrational Nonequilibrium on the Propagation of Acoustic-gravity Waves by : Jayaraman Srinivasan

Download or read book The Effect of Ambient Vibrational Nonequilibrium on the Propagation of Acoustic-gravity Waves written by Jayaraman Srinivasan and published by . This book was released on 1974 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work is a theoretical study of the effect of ambient vibrational nonequilibrium(vibrational or radiative) on the propagation of acoustic and gravity waves in a gas. In the propagation of such waves, nonequilibrium phenomena can manifest themselves in two distinct ways. This follows from the fact that nonequilibrium can exist in either(or both) the ambient and perturbed states of the gas. It is well known that perturbation nonequilibrium always contribute to damping of the waves. The lesser known effects of ambient nonequilibrium are examined here from the point of view of macroscopic gas dynamics. The physical insight obtained in a one-dimensional analysis is applied to the study of the probable effect of vibrational nonequilibrium(ambient and perturbation) on the propagation of acoustic-gravity waves in Earth's upper atmosphere.

Government Reports Index

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Total Pages : 1120 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Government Reports Index by :

Download or read book Government Reports Index written by and published by . This book was released on 1972 with total page 1120 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Comprehensive Dissertation Index, 1861-1972: Engineering: general and aeronautical

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ISBN 13 :
Total Pages : 906 pages
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Book Synopsis Comprehensive Dissertation Index, 1861-1972: Engineering: general and aeronautical by : Xerox University Microfilms

Download or read book Comprehensive Dissertation Index, 1861-1972: Engineering: general and aeronautical written by Xerox University Microfilms and published by . This book was released on 1973 with total page 906 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Announcements

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Total Pages : 844 pages
Book Rating : 4.3/5 (126 download)

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Download or read book Government Reports Announcements written by and published by . This book was released on 1972 with total page 844 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Comprehensive Dissertation Index

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ISBN 13 :
Total Pages : 1016 pages
Book Rating : 4.3/5 (91 download)

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Download or read book Comprehensive Dissertation Index written by and published by . This book was released on 1989 with total page 1016 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dissertation Abstracts International

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Total Pages : 532 pages
Book Rating : 4.X/5 (3 download)

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Book Synopsis Dissertation Abstracts International by :

Download or read book Dissertation Abstracts International written by and published by . This book was released on 1984-12 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Radiatively Driven Acoustic Waves in a Gas in a Cylindrical Tube: Theory and Experiment at Resonance

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Total Pages : 228 pages
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Book Synopsis Radiatively Driven Acoustic Waves in a Gas in a Cylindrical Tube: Theory and Experiment at Resonance by : Dale Leonard Compton

Download or read book Radiatively Driven Acoustic Waves in a Gas in a Cylindrical Tube: Theory and Experiment at Resonance written by Dale Leonard Compton and published by . This book was released on 1969 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analysis and measurements have been made for the acoustic pressure generated by the absorption of radiation in an infrared-active gas. This is a relatively simple and fundamental problem with coupling between radiative transfer and acoustic motion, and one in which the experiment can be analyzed on the basis of a reasonably complete theory. The gas is contained in a cylindrical wave tube, 10-cm I.D., 75-cm long, closed at one end with an opaque wall and at the other end with a window. Time-modulated (175 to 1100 Hz) infrared radiation from an external source enters through the window and is absorbed by the gas, raising its temperature and pressure and generating acoustic waves. The pressure in these waves is measured with a microphone, and the input radiant energy with an infrared radiometer. The present work is confined primarily to the resonant condition in which the radiation is modulated at a natural acoustic frequency of the gas in the tube. The measurements are compared with a theoretical model that predicts the pressure response for a gas in molecular equilibrium. The analysis requires neither the grey-gas assumption, nor the substitute-kernel approximation. Closed-form solutions are developed for a monochromatic pressure response and the spectral integration is then performed numerically. Comparisons have been made for CO2 and CO. (Author).

Classed Subject Catalog

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ISBN 13 :
Total Pages : 618 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Classed Subject Catalog by : Engineering Societies Library

Download or read book Classed Subject Catalog written by Engineering Societies Library and published by . This book was released on 1972 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt:

American Doctoral Dissertations

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ISBN 13 :
Total Pages : 624 pages
Book Rating : 4.3/5 (91 download)

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Download or read book American Doctoral Dissertations written by and published by . This book was released on 1973 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt:

SUDAARS: February 1960 - January 1992

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Total Pages : 104 pages
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Book Synopsis SUDAARS: February 1960 - January 1992 by : Stanford University. Department of Aeronautics and Astronautics

Download or read book SUDAARS: February 1960 - January 1992 written by Stanford University. Department of Aeronautics and Astronautics and published by . This book was released on with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:

U.S. Government Research and Development Reports Index

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ISBN 13 :
Total Pages : 1012 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis U.S. Government Research and Development Reports Index by :

Download or read book U.S. Government Research and Development Reports Index written by and published by . This book was released on 1969 with total page 1012 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Annual Commencement

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ISBN 13 :
Total Pages : 408 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Annual Commencement by : Stanford University

Download or read book Annual Commencement written by Stanford University and published by . This book was released on 1974 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Reports (SUDAARs).

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Total Pages : 108 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Reports (SUDAARs). by : Stanford University. Department of Aeronautics and Astronautics

Download or read book Reports (SUDAARs). written by Stanford University. Department of Aeronautics and Astronautics and published by . This book was released on 1993 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: