Research Article

To Enhance the Fire Resistance Performance of High-Speed Steel Roller Door with Water Film System

Table 2

Heating test record of high-speed roller door with water film on exposed surface.

Exposed surface: water film on the exposed surface

Date of test: May 22, 2014Indoor temperature: 32.4°C
Indoor humidity: 63%

Heating test duration (h:m:s)Test observations

0:00:−30Switch on water circulation system 30 seconds before heating

0:00:00Heating begins (roller door upwarp of roller door bottom bed plate is 0 cm)

0:20:00Fill 200 L water in water tank

0:27:40Temperature measured by handheld thermocouple at unexposed surface measuring point TC#_9 is 51°C

0:29:53Temperature measured by handheld thermocouple at unexposed surface measuring point TC#_7 is 50°C

0:30:00Fill 240 L water in water tank

0:43:00Fill 260 L water in water tank

0:50:00Fill 280 L water in water tank

0:55:00Roller door upwarp is 0 cm

0:59:00Temperature measured by handheld thermocouple at unexposed surface measuring point TC#_7 is 55.9°C

0:59:50Temperature measured by handheld thermocouple at unexposed surface measuring point TC#_9 is 60.6°C

1:00:00Fill 320 L water in water tank

1:10:00Fill 340 L water in water tank

1:20:00Fill 280 L water in water tank

1:25:50Temperature measured by handheld thermocouple at unexposed surface measuring point TC#_7 is 68.4°C

1:26:30Temperature measured by handheld thermocouple at unexposed surface measuring point TC#_9 is 61.3°C

1:30:00Fill 260 L water in water tank

1:40:00Fill 260 L water in water tank

1:50:00Fill 220 L water in water tank

1:52:00Temperature measured by handheld thermocouple at unexposed surface measuring point TC#_8 is 79.5°C

1:53:00Temperature measured by handheld thermocouple at unexposed surface measuring point TC#_7 is 70.2°C

1:54:00Temperature measured by handheld thermocouple at unexposed surface measuring point TC#_9 is 59.6°C

2:00:00Stop heating; roller door upwarp is 0 cm, not exceeding 1.91 cm