Table 1 Furnace tube simulation scheme diagram.

From: Development and testing of a high-precision static calibration device for aviation thin-film thermocouples

Number

Distribution length/mm

Output power ratio

Heating wire volumetric heat generation rate /103 W/m3

A1

100:100:100

1:1:1

300:300:300

A2

100:100:100

1.25:1:1.25

375:300:375

A3

100:100:100

1.5:1:1.5

450:300:450

A4

100:100:100

1.75:1:1.75

525:300:525

A5

100:100:100

2:1:2

600:300:300

B1

125:50:125

1:1:1

300:300:300

B2

125:50:125

1.25:1:1.25

375:300:375

B3

125:50:125

1.5:1:1.5

450:300:450

B4

125:50:125

1.75:1:1.75

525:300:525

B5

125:50:125

2:1:2

600:300:300

C1

75:150:75

1:1:1

300:300:300

C2

75:150:75

1.25:1:1.25

375:300:375

C3

75:150:75

1.5:1:1.5

450:300:450

C4

75:150:75

1.75:1:1.75

525:300:525

C5

75:150:75

2:1:2

600:300:300