Convection in Vertical Mercury and Metal Halide Arc Lamps
- 1 April 1979
- journal article
- research article
- Published by Taylor & Francis in Journal of the Illuminating Engineering Society
- Vol. 8 (3) , 126-131
- https://doi.org/10.1080/00994480.1979.10748462
Abstract
The effects of convection in vertical mercury, mercury plus iodine, and metal halide arc lamps have been studied by experimental and theoretical methods. Primarily axial convection velocities were found which increase in magnitude with decrease in power loading, with increase in pressure, and with arc constriction. Convection velocities, in turn, cause arc constriction near the lower electrode and play a role in additive segregation. No evidence was found for multicellular convection.Keywords
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