2 edition of quantitative theory of an electron-beam-excited carbon monoxide gas dynamic laser found in the catalog.
quantitative theory of an electron-beam-excited carbon monoxide gas dynamic laser
References p. 57-63.
|Statement||a report prepared for United States Air Force Project Rand / C. C. Chen.|
|Series||Rand Corporation. Rand report -- R-1321-PR., R (Rand Corporation) -- R-1321., R (Rand Corporation) -- R-1321-PR.|
|Contributions||United States. Air Force. Project Rand.|
|The Physical Object|
Laser-induced breakdown spectroscopy, also called laser-induced plasma spectrometry; Laser spectroscopy uses tunable lasers and other types of coherent emission sources, such as optical parametric oscillators, for selective excitation of atomic or molecular species. Mass spectroscopy is a historical term used to refer to mass spectrometry. The variation in isotope ratios found in the pure carbon monoxide gases was reported to be due to the source and treatment of the gases, with a number of the gases having been processed to remove 13 C carbon monoxide for delivery to the 13 C labelled chemical market, leaving the remaining carbon monoxide gas depleted of 13 C isotopologues.
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A quantitative theory of an electron-beam-excited carbon monoxide gas dynamic laser 1. formulation rand corporation prepared for department of the air force october distributed by: national technical infonution service u.
department of commerce. A Quantitative Theory of an Electron-Beam-Excited Carbon Monoxide Gas Dynamic Laser. Formulation. by Chuan-Chong Chen. Citation; Embed; A new concept for a high power CO gas dynamic laser, coupling a supersonic expansion nozzle and an electron beam preionizer-sustainer discharge system, that promises both the high efficiency of an.
Get this from a library. A quantitative theory of an electron-beam-excited carbon monoxide gas dynamic laser. [Chuan Cheng Chen; Project Air Force (U.S.)]. A Quantitative Theory of Noble Gas Ion Laser Discharge: Formulation. A Quantitative Theory of an Electron-Beam-Excited Carbon Monoxide Gas Dynamic Laser: I.
A carbon monoxide laser is reported which utilizes a glow discharge in the plenum of a supersonic nozzle. The discharge selectively excites the CO vibrational mode, while the gas translational temperature remains relatively cold.
Continuous output is obtained from optical cavities established transverse to the flow at two nozzle area ratios. Maximum laser power obtained to date is W Cited by: cw laser oscillation has been obtained from supersonic flows of CO in argon which are expanded from a high‐temperature reservoir.
The maximum power observed was 20 W from a gas mixture which had been processed to 85 atm and approximately °K. A novel cross-band laser absorption spectroscopy technique has been developed for quantitative measurements of gas temperature and carbon monoxide (CO) in.
A method for measuring vibrational temperatures of CO 2 asymmetric mode, T 3, and symmetric modes, T 2, under CO 2 gas-dynamic laser cavity conditions is developed.
This method is based on the simultaneous recording of intensity of IR emission in carbon dioxide asymmetric stretch band at μm and gain for μm in CO 2 laser transition while theoretical models are used for. A generalization of the McKenzie model of the carbon monoxide gas-dynamic laser is proposed.
To this end, the involved molecules are regarded as anharmonic oscillators. Furthermore, population distribution is discussed in the light of our model. Gas permeation is a complex physical and chemical process that includes absorption, disassociation, diffusion, recombination, and desorption of gas molecules, which is similar to the material outgassing process.
Thus there has been no unified theory of gas permeation. Most scholars believe that diffusion is the key process that determines the outgassing rate. Laser photoacoustic spectroscopy (LPAS) is a very powerful technique capable of measuring trace gas concentration from multicomponent mixtures with high accuracy.
Nitrogen oxides and carbon monoxide are primary pollutant emissions formed during the combustion of hydrocarbon fuels in gas turbine engines. Emissions of UHC and PM can also be an issue in gas turbines that operate in non-premixed combustion mode, such as aircraft engines. IEEE Transactions on Microwave Theory and Techniques() Effect of Propagation Path Characteristics on Low-Frequency Cloud-to-Ground Lightning Signal Parameters.
IGARSS - IEEE International Geoscience and Remote Sensing Symposium, IIII The atmosphere of Mars is the layer of gases surrounding is primarily composed of carbon dioxide (%), molecular nitrogen (%) and argon (%). It also contains trace levels of water vapor, oxygen, carbon monoxide, hydrogen and other noble gases.
The atmosphere of Mars is much thinner than Earth' surface pressure is only about pascals ( psi) which is less than 1%. KEYWORDS: Mid-IR, Crystals, Gases, Gas lasers, Frequency conversion, Nonlinear crystals, Sum-frequency generation, Carbon monoxide, Laser systems engineering Read Abstract + Super-broadband mid-IR laser systems are under development in the Gas Lasers Lab of the Lebedev Physical Institute.
Analytical chemistry studies and uses instruments and methods used to separate, identify, and quantify matter. In practice, separation, identification or quantification may constitute the entire analysis or be combined with another method.
Facile stereospecific synthesis of a dihydroxyindenoindene unit from an alkyne and carbon monoxide via samarium-mediated carbon monoxide and CH activation. Journal of the American Chemical Society(7), DOI: /jaa Book Reviews.
Journal of the American Chemical Society , DOI: /jaa Raman spectroscopy is a powerful technique with numerous analytical applications. Our recent whitepaper ‘Quantitative laser Raman spectroscopy of gases’, looks at how Raman systems can be used to measure gas mixture compositions with high measurement precision, sensitivity and trueness.
Carbon dioxide (chemical formula CO 2) is a colorless gas with a density about 60% higher than that of dry air. Carbon dioxide consists of a carbon atom covalently double bonded to two oxygen atoms.
It occurs naturally in Earth's atmosphere as a trace current concentration is about % ( ppm) by volume, having risen from pre-industrial levels of ppm. Fuel Cell Catalysis brings together world leaders in this field, providing a unique combination of state-of-the-art theory and computational and experimental methods.
With an emphasis on understanding fuel cell catalysis at the molecular level, this text covers fundamental principles, future challenges, and important current research themes. Search the leading research in optics and photonics applied research from SPIE journals, conference proceedings and presentations, and eBooks.Laser induced graphite plasma has several applications.
Carbon thin ﬁlms have been attracting both intensive theo-retical and experimental investigation due to their diamond-like properties.4–8 This technique is also utilized for fullerene synthesis in an ambient gas.9–11 It is a potential method for.Biochemical kinetics refers to the rate at which a reaction takes place.
Kinetic mechanisms have played a major role in defining the metabolic pathways, the mechanistic action of enzymes, and even the processing of genetic material.