高压汞灯预热阶段的理论研究

Z. Araoud, B. Ben Hamida, K. Charrada, G. Zissis
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引用次数: 0

摘要

采用二维流体模型研究了高压汞灯在高压阶段的热力学和动力学行为。在弧内存在的多种重要机制中,自然对流效应对温度场的定性和定量分布都起着举足轻重的作用。通过对比考虑和不考虑对流效应的解,可以确定对流的确切影响。结果表明,对流减缓了预热时间。
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Theoretical investigation of the warm-up phase of a high pressure mercury lamp
A two-dimensional fluid model has been used to investigate the thermal and dynamic behavior of a high pressure mercury lamp during the high pressure phase. Among the various important mechanisms present in the arc, natural convection effect plays a pivotal role in determining the qualitative as well as quantitative distribution of the temperature field. By being able to contrast the solutions with and without the convection effect, the exact influence of the convection can be established. Based from the results, it is shown that convection slows the warm-up time.
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