トンネル壁面への吸熱量の相似則に関する考察

抄録

The major scaling technique applied to the model experiment of tunnel fires is Froude scaling, as all the smoke flows are driven by the buoyancy. Though it is also important to consider the scaling of heat transfer into the tunnel wall in tunnel fire dynamics, there are few literatures on the investigation of it. In this paper, the scaling of the heat transfer into the wall is analyzed. As a result, we proposed the condition of the tunnel model's wall whose property of heat transfer corresponds to that of actual tunnels. Moreover, it is clarified that the amount of heat transfer into a finite plane wall such as the tunnel model's wall is almost equal to that into the semi-infinite plane wall such as actual tunnel's walls while the temperature inside the plane wall is in unsteady state.