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Displaying 26 - 40 of 40

Power Balance in Highly Loaded Fluorescent Lamps

October 28, 2004
Author(s)
G G. Lister, John J. Curry, James E. Lawler
Discrepancies reported in the literature between numerical predictions and experimental measurements in low-pressure Hg discharges at high current densities are considered. A one-dimensional fluid model and recent spectroscopic and Langmuir probe

Deviations From Equilibrium of Thallium Level Populations in a Metal Halide Arc Lamp

July 1, 2004
Author(s)
D Karahourniotis, John J. Curry, E Drakakis, Eric C. Benck
The excitation equilibrium in a metal halide lamp was studied using a method based on optically thick lines without the assumption of local thermodynamic equilibrium (LTE). The lamp has a diameter of 15.4 mm, an electrode gap of 28 mm, and was operated

Direct Observation of De-Mixing in a Ceramic Metal-Halide Arc Lamp

June 18, 2003
Author(s)
John J. Curry, H G. Adler, S Shastri, W -. Lee
De-mixing of additives in a vertically-operated DyI 3-CsI-Hg ceramic metal halide arc lamp has been observed by examining the ratios of absolute elemental densities as a function of position. As the elemental densities have been obtained directly by x-ray
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