Measuring Method for Lightning Channel Temperature

被引：0
|
作者：
X. Li
J. Zhang
L. Chen
Q. Xue
R. Zhu
机构：
[1] Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters,
[2] Nanjing University of Information Science & Technology,undefined
来源：
Scientific Reports | / 6卷
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摘要：
In this paper, we demonstrate the temperature of lightning channel utilizing the theory of lightning spectra and the model of local thermodynamic equilibrium (LTE). The impulse current generator platform (ICGS) was used to simulate the lightning discharge channel, and the spectral energy of infrared spectroscopy (930 nm) and the visible spectroscopy (648.2 nm) of the simulated lightning has been calculated. Results indicate that the peaks of luminous intensity of both infrared and visible spectra increase with the lightning current intensity in range of 5–50 kA. Based on the results, the temperature of the lightning channel is derived to be 6140.8–10424 K. Moreover, the temperature of the channel is approximately exponential to the lightning current intensity, which shows good agreement with that of the natural lightning cases.
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