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.

(a)

(b)

(c)

(d)

(e)

(f)