An Experimental Study of Wind-Driven Ventilation with Double Skin Facade During Transition Seasons

Guoqing He, Zhewen Fan, Yuan Meng, Linfeng Yao and Changqing Ye ()
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Guoqing He: College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China
Zhewen Fan: College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China
Yuan Meng: College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China
Linfeng Yao: Center for Balance Architecture, Zhejiang University, Hangzhou 310058, China
Changqing Ye: Center for Balance Architecture, Zhejiang University, Hangzhou 310058, China

Energies, 2025, vol. 18, issue 13, 1-21

Abstract: Double skin facade (DSF) is an energy-efficient solution for glazing facades. However, previous studies have reported inconsistent findings regarding thermal comfort in naturally ventilated DSF buildings. To examine this issue, this study evaluated airflow velocities in naturally ventilated DSF buildings during transition seasons through a comparative study approach. A full-scale box-type DSF room and a traditional window-wall room were simultaneously monitored in a laboratory building under real climatic conditions, with indoor environmental parameters recorded for 10 days. Airflow sensation surveys complemented the physical measurements to evaluate perceived comfort. The results showed that the DSF room consistently exhibited lower air velocities (≤0.2 m/s) compared to the traditional room, demonstrating minimal response to wind conditions related to its small openings (opening ratio of 4.7%) and increased flow resistance from the dual-layer structure of the DSF. Under unfavorable wind conditions, the DSF room demonstrated higher ventilation rates due to the enhanced stack effect. However, this advantage had a negligible effect on the thermal comfort vote for the indoor temperature range (26 °C to 28 °C). These findings highlight the climate-dependent performance of DSFs: while advantageous for thermal comfort in cooler climates, they may lead to reduced thermal comfort in warm and hot climates due to low indoor airflow velocities. Future work could include the optimization of DSF opening configurations to enhance wind-driven ventilation while maintaining stack ventilation benefits.

Keywords: wind; natural ventilation; DSF; air movement sensation; thermal comfort; stack ventilation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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