• IYATI Wasiska University of Brawijaya, Faculty of Engineering, Department of Architecture, Jalan Mayjend. Haryono 167 Malang 65145
  • WONORAHARDJO Surjamanto Bandung Institute of Technology, School of Architecture, Planning and Policy Development, Department of Architecture, Jalan Ganesha 10 Bandung 40132
  • INDRAPRASTHA Aswin Bandung Institute of Technology, School of Architecture, Planning and Policy Development, Department of Architecture, Jalan Ganesha 10 Bandung 40132



Double-skin facade, natural airflow, high-rise building


DSF (Double-Skin Facade) aplications required on highrise building envelope to increase its thermal performance. The performance DSF with natural airflow, especially external air curtain mode, is affected by airflow around the building, and the design characteristics of the DSF. This paper investigated the performance of some DSF models, namely the multi-storey and box-window type, as well as those modification in utilizing natural airflow, especially with 90° wind direction toward the facade, using CFD techniques. The results showed that the multi-storey type has the best performance with higher average wind speed and equitable airflow distribution in all the facade zones.


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