공동주택 발코니-거실의 외피 단열 설계에 관한 연구 ( A Study on the Insulation Design of the Exterior Wall between the Balcony and the Room in the Multi-Family Housing )

If the balcony has the sash window, the less heat will be lost through the walls and the joints between the balcony and the room because balcony space will be a thermal buffer space. And it is possible to design the detail which has less insulation but same thermal performance. In this study, the heat loss through the details of the wall and the joints is calculated by FDM. To evaluate the improvement in the thermal performance, the heat loss through the existing detail with and without the sash window are compared. To find out the new detail with the same thermal performance, the heat loss through the existing detail is compared with that of alternative details. The themal performance of alternative details are evaluated, and the optimal detail which has less insulation but the same thermal performance is suggested.