EXPERIMENTAL AND THEORETICAL STUDY OF A DIRECT-CURRENT ARC IN AN ORIFICE NOZZLE FLOW.

被引：0

作者：

Whang, H.C. ^{[1
]}

Nagamatsu, H.T. ^{[1
]}

机构：

[1] Rensselaer Polytechnic Inst, Troy,, NY, USA, Rensselaer Polytechnic Inst, Troy, NY, USA

来源：

AIAA journal | 1985年 / 23卷 / 07期

关键词：

ELECTRIC CIRCUIT BREAKERS; AIR BLAST - FLOW OF FLUIDS - Nozzles;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

To increase the basic knowledge about the interaction between an arc near zero current and flows affected by strong shock waves, an investigation was conducted to determine the dc arc characteristics at a current of approximately 100 amp in an orifice nozzle. Various nozzle pressure ratios were used to produce subsonic and supersonic flows. Cold-flow measurements were used to calculate the arc electrical parameters based on the arc energy integral theory. The calculated results agreed reasonably well with the experimental measurements. It can be concluded that the convection cooling of the arc is the dominant arc cooling process for most currents.

引用

页码：992 / 997

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