건축물 태양반사광 시뮬레이션 유효성 평가

Abstract

Purpose: As one of light pollution, the reflected sunlight problems on building envelopes are constantly increasing and are emerging as social conflicts. This study aims to propose a easy Radiance simulation method using BIM HVAC. Also the effectiveness is evaluated by comparing the simulation and field test results. The proposed method is expected to be able to more easily predict the effect of reflected sunlight in the design stage. Method: The reflected sunlight simulations and field tests are conducted on the main building of K university. For the simulation, sketch-up, BIM HVAC, EnergyPlus and Radiance program are used, and Qbism HEXA 70 is used for field tests. To evaluate the effectiveness of the proposed simulation method, the location and size of the reflected sunlight area and the highest luminance are analyzed. Result: The proposed method is possible to simulate the reflected sunlight effect more easily by using evaluation process by the menu bar rather than the existing complicated program method based on commands. Also, it will be useful for predicting the location and size of the reflected sunlight area. However it shows excessive errors in the analysis of the reflected sunlight luminance, so there is a limit to its application at the present stage.