Air supply system for slope adjustable wind tunnel experiment device for tunnel fire
A technology of wind tunnel experiment and air supply system, applied in the field of air supply system, can solve the problems such as late start of traffic tunnel fire research, lack of in-depth research, and inability to meet engineering construction results, achieving convenient control, advanced design, The effect of stable air volume
Inactive Publication Date: 2014-12-24
SOUTH CHINA UNIV OF TECH
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Problems solved by technology
[0007] Compared with foreign countries, domestic research on traffic tunnel fire started relatively late, and not only fewer research projects were carried out, but also no in-depth research was carried out, and the results could not meet the needs of engineering construction.
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[0028] The implementation of the invention will be further described below in conjunction with the drawings and examples, but the implementation and protection of the invention are not limited thereto. Processes that are not specifically described in detail below can be performed by those skilled in the art with reference to the prior art.
[0029] see figure 1The air supply system used for the tunnel fire tunnel experiment device with adjustable slope is composed of fan 1, electric valve 2, flow sensor 3, air heater 4, humidifier 5, thermocouple 6, experimental tunnel 7, and support 8. The electric valve 2 is installed on the pipeline at the outlet of the fan 1, and the measuring point of the flow sensor 3 is installed at the outlet of the electric valve 2, and the air heater 4 and the humidifier 5 are respectively installed on the pipeline, and are installed on the pipeline with flange connection. In the tunnel entrance pipeline, a thermocouple 6 is installed to read the te...
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The invention discloses an air supply system for a slope adjustable wind tunnel experiment device for tunnel fire. The air supply system for the slope adjustable wind tunnel experiment device for the tunnel fire comprises a draught fan, an electrically operated valve, a flow sensor, an air heater, a humidifier, a thermocouple, an experiment tunnel and a support. The draught fan, the electrically operated valve, the air heater, the humidifier and the thermocouple are connected in sequence through pipelines and are finally connected with the experiment tunnel through a pipeline. Air supply amount is controlled in the mode that the flow sensor controls the opening degree of the electrically operated valve. The temperature of supplied air is controlled through the air heater. The humidity of the supplied air is controlled through the humidifier. The air supply system for the slope adjustable wind tunnel experiment device for the tunnel fire is simple in structure, convenient to control and flexible in operation. The actual situation of a ventilation system in a tunnel fire scene can be simulated through the air supply system, the air supply amount, the temperature and the humidity of the system can be controlled, and a reliable experiment device is provided for simulating of spread of smoke generated by the tunnel fire under the conditions of different ventilation rates, different air temperatures and different degrees of humidity.
Description
technical field [0001] The invention relates to a tunnel fire experiment device, in particular to an air supply system used for the slope-adjustable tunnel fire wind tunnel experiment device. [0002] Background technique [0003] A number of major tunnel fire accidents in recent years have warned people that while tunnels bring convenience to people's lives, the safety situation of tunnel fire prevention is becoming more and more serious. If tunnel fires cannot be well controlled, it will bring disasters sexual consequences. Therefore, the research on highway tunnel fire has always been the focus of scholars at home and abroad. [0004] Because the occurrence of tunnel fire is random and uncertain, the main methods of researching road tunnel fire at home and abroad are: theoretical analysis, numerical simulation and experimental simulation. Theoretical analysis method is an important basic research method. According to the basic principles of natural sciences such as flu...
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Inventor 龙新峰张雪琴楼波
Owner SOUTH CHINA UNIV OF TECH