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 Posted: Thu 5:09, 17 Feb 2011 Post subject: ghd stijltang Triggered lightning and static chara |
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Triggered lightning and static characteristics of photography
The scope of the effective role of needle or a controversial issue. Figure 4, drainage away from the bar as far nylon line, exceeded its scope, so the downward stepped leader has not been its And although the subsequent strokes followed l0 times, and the formation of multiple hit sites, some of which seems to have been in the role of drainage within the rod, but they all failed to hit the drain lever. This shows that, even if the lightning rod is a good ground,[link widoczny dla zalogowanych], but it does not necessarily within the scope of its role in the full protection of the target play a role. Of course,[link widoczny dla zalogowanych], a good ground rod is still very important, if lightning hit the ground down a good lightning rod,[link widoczny dla zalogowanych], then hit back for the first time the formation of the main discharge channel will be successful because of the lightning current to release on a certain period of time in the ionization state of good , followed by the subsequent return stroke process is likely to have marched along the discharge channel, which played around the target of the protective effect. Conversely, if the lightning rod grounding bad, on the one hand it down lightning other targets, which can not play real protection. 3 Conclusion triggered lightning (especially the air trigger) offers a nearly complete simulation of the real source of natural lightning, the pictures from still photography can reveal many of the macro characteristics of lightning,[link widoczny dla zalogowanych], the performance of these features is difficult in the high-voltage laboratory simulated. Artificially triggered lightning test and comprehensive measurement of lightning parameters,[link widoczny dla zalogowanych], especially the newly developed CCD photodiode digital high speed video camera (sampling rate up to l000o frames / seconds) and microsecond sampling rate the following current and electromagnetic measurement technology, will can gradually reveal the details of the physical process of lightning discharges, in particular, is the leading ground connection behavior and mechanism of the process, and lightning monitoring and protection technology development and application of practical importance.
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