Modeling of gaseous fire suppression system by means of bond graph

説明

The gaseous fire suppression system (GFSS) has excellent features such as the fact that equipment can be restored early after fire accidents. So these systems have rapidly spread recently. The purpose of the present study is to develop a simulator of GFSSs by using the bond graph that is often used for dynamic characteristic analysis of hydraulic and pneumatic systems. In this study, a gas cylinder, pipe, a protection room and a pressure relief duct are expressed by the bond graph and the injection of the extinction gas into the protection room is simulated. The result of the simulation is compared with that of the experiment, which shows good agreement. It is also clarified that the maximum indoor pressure greatly exceeds the pressure obtained from the conventional design method.

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