Improvement of Ventilation and Thermal Comfort Using the Atrium Design for Traditional Folk Houses-Fujian Earthen Building
Authors: Ying-Ming Su
Fujian earthen building which was known as a classic for ecological buildings was listed on the world heritage in 2008 (UNESCO) in China. Its design strategy can be applied to modern architecture planning and design. This study chose two different cases (Round Atrium: Er-Yi Building, Double Round Atrium: Zhen-Chen Building) of earthen building in Fu-Jian to compare the ventilation effects of different atrium forms. We adopt field measurements and computational fluid dynamics (CFD) simulation of temperature, humidity, and wind environment to identify the relationship between external environment and atrium about comfort and to confirm the relationship about atrium H/W (height/width). Results indicate that, through the atrium convection effect, it makes the natural wind guides to each space surrounded and keeps indoor comfort. It illustrates that the smaller the ratio of the H/W which is the relationship between the height and the width of an atrium is, the greater the wind speed generated within the street valley. Moreover, the wind speed is very close to the reference wind speed. This field measurement verifies that the value of H/W has great influence of solar radiation heat and sunshine shadows. The ventilation efficiency is: Er-Yi Building (H/W =0.2778) > Zhen-Chen Building (H/W=0.3670). Comparing the cases with the same shape but with different H/W, through the different size patios, airflow revolves in the atriums and can be brought into each interior space. The atrium settings meet the need of building ventilation, and can adjust the humidity and temperature within the buildings. It also creates good ventilation effect.
Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1130181Procedia APA BibTeX Chicago EndNote Harvard JSON MLA RIS XML ISO 690 PDF Downloads 737
 Qindi Li, Xiao Sun, Chun Chen, Xudong Yang. Characterizing the household energy consumption in heritage Nanjing Earthen building buildings, China: A comparative field survey study. Energy and Buildings, 49(2012), pp317-326
 E. Andreou, K. Axarli. Investigation of urban canyon microclimate in traditional and contemporary. Renewable Energy 43, 2012.
 P. Karava, A.K. Athienitis, T. Stathopoulos, E. Mouriki. Experimental study of the thermal performance of a large institutional building with mixed-mode cooling and hybrid ventilation. Building and Environment 57,2012.
 S. Sharples and r. Bensalem. Airflow in courtyard and atrium buildings in the urban Environment: a wind tunnel study. Solar Energy Vol. 70, No. 3, pp. 237–244, 2001.
 E.G. McPherson. Accounting for benefits and costs of urban greenspace. Landsc Urban Plan, 22 (1992), pp. 41–51.
 I. Arauzo, M. Morató, S. Rueda. Climate, urbanism, comfort and energy: the influence of temperature on infiltration-conditioned demand (Clima, urbanismo, confort y energía: influencia de la temperatura en la demanda de climatización por infiltración). Urban Ecology Agency (Agencia Ecología Urbana), Barcelona, 2002.
 A. Aldawoud. Thermal performance of courtyard buildings. Energy Build, 40, 2008, pp. 906–910.
 OfIranMitra Khalili, Sanaz Amindeldar. Traditional solutions in low energy buildings of hot-arid regions ofIran. Sustainable Cities and Society 13, 2014, pp. 171–181.
 Amirhosein Ghaffarianhoseini, Umberto Berardib and Ali Ghaffarianhoseinic et.al. Thermal performance characteristics of unshaded courtyards in hot and humid climates, Building and Environment, 2015, pp. 154-168.
 N. Khan, Y. Su, S.B. Riffat. A review on wind driven ventilation techniques. Energy Build, 40 (8), 2008, pp. 1586–1604.
 N. Al-Masri, B. Abu-Hijleh. Courtyard housing in midrise buildings: an environmental assessment in hot-arid climate. Renew Sustain Energy Rev, 16 (4), 2012, pp. 1892–1898.
 U. Berardi, T. Wang. Daylight in an atrium type high performance house. Building and Environment, 76 (2014), pp. 92–104
 Anh-Tuan Nguyen, Quoc-Bao Tran, Duc-Quang Tran, Sigrid Reiter. An investigation on climate responsive design strategies of vernacular housing in Vietnam. Building and Environment 46 (2011).
 Ying Ming Su and Yu Chou Wu. Wind field analysis for a earthen building (earthen building) in Fujian, China -A case study of Eryi Lou. Advanced Materials Research, Vol. 933 (2014) ,pp.335-340.
 Shan, D., Chinese Vernacular Dwellings, Cambridge University Press, 2011.
 Man Lin, Jian Hang, Yuguo Li, Zhiwen Luo, Mats Sandberg “Quantitative ventilation assessments of idealized urban canopy layers with various urban layouts and the same building packing density” Building and Environment, vol. 79, pp. 152–167, 2014.
 Matzarakis, A., Rutz, F., 2005: Application of RayMan for tourism and climate investigations. Annalen der Meteorologie 41, Vol. 2, 631-636.
 Matzarakis, A., 2007: Assessment method for climate and tourism based on daily data. In: A. Matzarakis, C. R. de Freitas, D. Scott (Eds.), Developments in Tourism Climatology, 52-58.
 Hsiang-Wen Lai, Yin-Hao Chiu, Li-Hsin Gao, Wang-Jieh Jiuh, Correlations between Urban Block Characteristics and Thermal Comfort, Journal of Cify and Planning 43 (2016) pp. 89-114.