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31	Temperature measurement, electrical characteristics, and lorentz mixing of alkali seeded flames Pattee, Heidi Ann 23 January 1992 (has links) When trace quantities of an alkali element are added to a flame, its optical and electrical properties change significantly. Addition of alkali seed to both premixed and diffusion flames has been used in the development of two new techniques, one for flame temperature measurement and the other for enhanced mixing. Advantage has been taken of the spectral characteristics of alkali seeds in the development of a non-invasive optical flame temperature measurement technique. The strongest resonance line of alkalis is in fact a doublet, and the two peaks can be subjected to different optical treatment. A cesium-seeded flame was exposed to radiation which was selectively filtered to yield different apparent source temperatures at the wavelengths corresponding to the doublet resonance lines. The ratio of the emission peak heights at the two wavelengths relates directly to flame temperature. This technique allows real-time measurement of flame temperatures up to 2800 K. A second process has been investigated which takes advantage of the enhanced electrical conductivity of alkali-seeded diffusion flames. The study first required a characterization of electrical discharges through planar diffusion flames. Because of the increase in conductivity, alkali-seeded diffusion flames can carry current when a transverse electric potential is applied. The behavior of diffusion flames carrying electrical current has been investigated. The dependence on electrode position and gap is reported and the behavior is contrasted with that described in the literature for premixed flames. A planar diffusion flame was subjected to a steady magnetic field parallel to the flow direction while an orthogonal, oscillating current passed through the flame sheet. A Lorentz body force was induced on the flame sheet which acted to move it alternately toward the fuel and oxidizer streams, improving bulk mixing in the flame. High-speed video images of the oscillating flame were analyzed to obtain its maximum lateral velocity. The results compared well with predictions from a simple theoretical model. / Graduation date: 1992 Alkali metals -- Thermal properties Flame Flame spectroscopy
32	An investigation of the mechanism of flame quenching / Dhiman, Om Parkash, 1945- January 1978 (has links) No description available. Engineering Fire extinction Flame Flame quenching
33	Influence of surface modification of magnesium hydroxide on the processing and properties of a thermoplastic elastomer/magnesium hydroxide composite Dumitru, Paul January 2001 (has links) No description available. 668.4 Flame retardant
34	Some contributions of the theory of a premixed flame propagating through a tube Robinson, F. M. January 1987 (has links) No description available. 621.43 Flame propagation in tubes
35	Laser tomography of a buoyant turbulent diffusion flame Wheater, Guy January 1990 (has links) No description available. 621.43 Combustion; Flame dynamics
36	Metal chelates as flame retardants and photostabilisers for some vinyl polymers Gad, A. M. M. January 1985 (has links) No description available. 546 Flame retardation in polymers
37	A novel microcomputer-controlled transport detector for high-performance liquid chromatography Narine, Raymond January 1995 (has links) No description available. 660 HPLC; Flame ionisation
38	Studies on the influence of flame retardants and temperature on cellulose pyrolysis in air Alhaji Faroq, Abdullahi January 1991 (has links) No description available. 541 Flame retardant fabrics
39	The structure of some diffusion flames Thomas, James R. January 1968 (has links) No description available. 621.43 Flame structure/phenomena
40	The computation of the flame structure of chemically complex systems Greenberg, J. B. January 1974 (has links) No description available. 621.43 Flame phenomena/chemistry

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