Temperature and strain registration by fibre-optic strain sensor in the polymer composite materials manufacturing

Figures & data

Table 1. The values of the wavelengths for the FBG sensors at the initial moment of the technological process.

	Resonant wavelengths of sensors, nm
FBG number	Line 1	Line 2	Temperature sensor
N 1	1584.830	1584.925	1586.682
N 2	1564.939	1565.158
N 3	1545.168	1545.143
N 4	1525.117	1525.235
N 5	1505.423	1505.324

Table 2. The values of the wavelengths for the FBG sensors at the end of technological process.

	Resonant wavelengths of sensors, nm
FBG number	Line 1	Line 2	Temperature sensor
N 1	1583.398	1583.498	1586.682
N 2	1563.851	1563.918
N 3	1544.196	1544.090
N 4	1524.378	1524.265
N 5	1504.585	1504.269

Figure 1. The wavelengths distribution of the reflected signal for the five sensors of Line 1.

Figure 2. Changes in the reflected spectrum of FBG N 3.

Figure 3. The result of using the correction algorithm for the FBG N 3.

Figure 4. Scheme of data registration in real time.

Figure 5. Temperature data from partucular FBG and recorder EClerk-USB-2Pt.

Figure 6. The averaged FOSS data during the whole process of PCM formation.

Figure 7. FOSS data in the strain.