Research Article
Study on Flame Spread Characteristics of Flame-Retardant Cables in Mine
Figure 9
Images of double cable flame spread at a fan frequency of 11 Hz. (a) t = 64 s, (b) t = 111 s, (c) t = 175 s, (d) t = 449 s, (e) t = 452 s, and (f) t = 744 s.
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