Natural Ventilation Performance of High Rise Office Building with Voids

Part 1-Influence of External Wind Speed, Opening Area, and Position of Void on Distribution of Room Temperature and Ventilation Efficiency in Open Office

Abstract

Natural ventilation is effective for saving energy. However, the indoor thermal environment with natural ventilation varies widely by external wind and the position of opening areas. This study aimed to establish the operation of a natural ventilation system in a high-rise office building with voids. This paper presents the distribution of the natural ventilation performance within the office building obtained by CFD analysis, which is evaluated based on the indoor temperature and local mean age of air for each external wind speed, opening area, and position of void.