NUMERICAL SIMULATION AND EXPERIMENTAL INVESTIGATION FOR INDOOR AIR ENVIRONMENT IN AN OFFICE ROOM

The ventilation efficiency of different ventilation patterns inside a room containing one person and office furniture arranged by different inlet/outlet configurations was investigated. The numerical simulation (CFD) was first adopted to predict air flow pattern and ventilation performance. Then, a laboratory experimental measurement at room air distribution in a full-scale test chamber was conducted using the hot wire velocimetry (IFA300) to validate the simulation results. In addition, questionnaire surveys were conducted from the different gender groups in order to assess indoor air quality and human comfort in workplace micro-environments. The distribution of supply/exhaust air in the study was investigated in isothermal conditions using different supply air velocities. The results indicated that the ventilation efficiency and human comfort might be dominantly influenced by location of diffuser rather than air change rate