Development of a simulation tool evaluating the effect of sun-shading technologies applied to the walls, roofs, and windows of residential buildings

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(1) Measurements on the surface solar reflectance and surface emissivity were carried out. As the result, both of the solar reflectance of the lace curtains and various paints, and the emissivity of various materials such as aluminum sheets with and without plastic coating, several kinds of water vapor barrier, wood and wall cloth were obtained.(2) The outline of the simulation program named REEST (Residential Environment and Energy Simulation Tool) was framed up and the specification of REEST was written.(3) The computer program named Shadewall calculating heat transfer of vented walls and roofs was included in REEST.(4) The computer program named WindEye calculating heat transfer of windows, and the simulations of the solar battery and the unsteady state room humidity change were tried to be included in REEST.