抄録
The author thanks Yuji Hasemi, for his discussion, and the answers are as follows ; (1) The space around the selling floor is classified into such components as peripheral walls, doors and equipments. Specifications are presented for respective components. Thirteen types of peripheral walls are covered. The method blocked up infiltration area between peripheral walls is described. (2) The reason why the height of the layer of smoke that is determined using the N% method based on the temperature at T3 measured in the test is at a low level in approximately 100 seconds after ignition is identified. The phenomenon is attributed to the vertical distribution of temperature before ignition.
