Strain Monitoring of Combustible Gas Implosion Test Based on Fiber Bragg Grating

Table 2

Strain amplitude formed by the flame front passing through the FBG sensor in the second test.

First step change (με) (Figure 20(a))	Second step change (με) (Figure 20(b))	Third step change (με) (Figure 20(c))
6.294	7.878	1.673