期刊
IEEE TRANSACTIONS ON PLASMA SCIENCE
卷 40, 期 8, 页码 2065-2072出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPS.2012.2203614
关键词
Energy transfer; high-intensity mercury lamp; local thermodynamic equilibrium; mass of mercury; vertical and horizontal positions
This paper discusses the thermal behavior of a high-intensity mercury lamp in a horizontal position, compared with that of a vertical lamp when the pressure of the lamp varies. The model adopted is 3-D, steady, and direct-current powered. After the model validation, we keep the supply current equal to 3.2 A, and we vary the pressure of the lamp to 10(5)-10(6) Pa. Then, we analyzed the temperature fields, the heat conduction flow, the convective flow, and the accumulation of mercury behind the electrodes for the case of the lamp in a horizontal position by comparing it with those of a lamp in a vertical position.
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