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State Key Laboratory of Fire Science, University of Science and Technology of China, Jinzhai Road 96, Hefei, Anhui, P. R. China
P. O.: 230026
Tel: (+86) 551 63601651
Fax: (+86)551 63601669
Walk-in low pressure chamber
The chamber uses pressurized square structure, with pressure insulation door, double glasses observation window and oxygen, nitrogen content control system. The system is of high degree of automation and it is easy to simulate the low pressure low oxygen environment of the plateau. By a regular change of oxygen concentration and low pressure conditions in the cabin, experiments of the thermal solution, the law of the fire spread, smoke alarm and detection features response mechanism can be carried out.
Experimental Facility for Fire Suppression with Water Mist
Such facility equipped with low-pressure pump and pipe networks is high automatic and easy to operate. On this plateform, various fire suppression experiments based on water mist could be conducted to study the K factors of different nozzles, characteristics of water mist, performance of water mist in fighting different types of fires, etc. Parameters in fire suppression such as thermal radiation flux, concentrations of characteristic gases and flame temperatures could also be acquired.
Fast Aerosol Size Spectrometer DMS500
Operating Principle：The DMS500 uses a corona discharge to place a prescribed charge on each particle proportional to surface area. The charged sample is then introduced into a strong radial electrical field inside a classifier column. This field causes particles to drift through a sheath flow to the electrometer detector. Particles are detected at different distances down the column, depending upon their electrical mobility. The outputs from the 22 electrometers are then processed in real time to provide spectral data in 38 or 45 size classes and other desired parameters. The unique patented Space Charge Guard electrode prevents image charge artifacts (caused by large charged particles passing electrometers at the top of the column) without the complex software correction which would otherwise be required. Applications：Aerosol Science Main specifacations:1、 Particle size range：5-1000nm2、 Sample Flow rate：8slpm3、 Instrument Dimensions：980h×380w×520d mm4、 Output Data Rate：10/s-1/m5、 Time Response：T10-90 200ms6、 Max concentration：～1012dN/dlogDp/cc
Fire Test Atrium
Fire Test Atrium (FTA) is built as a full-scale experimental equipment with Internal height of 27m,length of 22.4m,width of 11.9m by Hong Kong Polytechnic University and University of Science and Technology of China. Through continuous improvement，FTA has been developed as a comprehensive experimental platform that can be used to a variety of fire safety research such as characteristics of large space building fire, smoke flow and control and fire detection and suppression. FTA Completion Ceremony in 1997 Panorama of FTA Smoke flow and control experiment is an import function of FTA，which is set up with natural ventilation system and mechanical exhaust system. The natural ventilation system is formed by the skylights and the windows of the Upper cloisters. The mechanical exhaust system can achieved a maximum smoke exhausting quantity of 210,000m3/h, which is four times of the standards. Mechanical Exhaust Fan Natural Ventilation Tests Various forms of fire suppression systems have been installed in FTA where fire sprinklers, water curtains and water guns can been tested and developed. Fire Sprinkler Water GunFire Tests can be all-round monitored by the cameras installed of every corner of FTA. And the Experimental data can be got by the multipoint data acquisition system Fire Test Monitor Datat Acquisition System
Fire whirl Apparatus
Description:The medium-scale fire whirl facility is a square enclosure made of tempered glasses, with dimensions of 2 m ×2 m×15 m. The channel is open at the top. Each wall has a uniform 20 cm wide vertical gap at its corner so that the entrained air induced by the burning flame could enter into the channel, thus imparting a rotational flow necessary for fire whirl formation. The base table (2 m × 2 m × 1.5 m) was made of pine wood with a round hole (60 cm in diameter and 10 cm in depth) in the center for placing fuel pans of different sizes. Specifications / capabilities:♦ The largest size of fire whirl apparatus up to now in the world. ♦ To obtain the fire whirl formation mechanism by experimental observation of its formation, development and decay, with different fuels and pans of different sizes to change the flow circulation effect. ♦ To study the fire whirl combustion dynamics, including the mass loss rate by electronic balance, flame height and diameter by camera, fuel-rich vortex core by high-speed camera, temperature and velocity distribution by thermocouples and pitot tubes, radiation by heat flow meters.
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