Analysis of Wind Behavior in Openings by CFD, in order to Enhance Natural Ventilation in Residential Buildings Design of Moderate and Humid Climate (Case of Study: City of Gorgan)

  • Fatemeh Rezaei Department of Engineering, Roudehen Branch, Islamic Azad University, Tehran, Iran. http://orcid.org/0000-0001-9241-1971
  • Mostafa Mahmoudi Department of Engineering, Malek Ashtar University of Technology, Tehran, Iran.
Keywords: Natural ventilation, Residential building, Gorgan, CFD, Moderate and humid

Abstract

Today, increasing environmental pollution due to the use of fossil fuels to provide thermal comfort is one of the problems of this area. The amount of these contaminants in residential buildings are more tangible. By referring to the traditional architecture, it can be seen that natural ventilation was provided by using natural forces (in this article: wind). Therefore, it can be concluded that the proper use of effective elements on natural ventilation can solve the problems created by air conditioning in new buildings. This article was identified different models of locating of openings in buildings (city of Gorgan) and analyzed the wind behavior in each of these models in terms of natural ventilation and finally, the optimal model for natural ventilation was selected. In this article, qualitative research methodology to identify and study the methods of using wind in vernacular habitats was used firstly. Then by CFD modeling and choosing selected models in terms of location of openings in order to improve the natural ventilation, Wind behavior analysis in these models was performed by the simulation research method (Gambit 2.4.6 software for making model geometry and creating grid mesh and ANSYS FLUENT 15 for wind behavior analysis). As a result of analyzes, models that had northeastern-southwest direction, more openings in the southwest elevation and the suction window in the opposite direction were selected as the optimal model for residential buildings in city of Gorgan.

References

[1] K. Tommy, “Natural Ventilation in Buildings: Architectural Concepts, Consequences, Possibilities, ” Norwegian University of Science and Technology, International government publication: Manuscript, pp. 86, 2003.
[2] E. Kabir and A.B. Moradchelleh, “Natural Ventilation in Educational Building of Moderate and Humid Climate (Case study: Gorgan), ” International Conference on Civil Engineering Architecture and Urban Infrastructure, pp. 1-12, 2015.
[3] A. Abbasnejad, S. Zahabnazouri, Z. Alibakhshi and H. Afsharmanesh, “Determination of Buildings Direction in Order to Optimize Energy Consumption (Case of study: Gorgan)), ” The First Conference on Climate, Building and Energy Efficiency, pp. 141-156, 2011.
[4] M. Modiri, Z. nazouri., Z. Alibakhshi, H. Afsharmanesh, M. Abbasi, “Investigation of the Proper Position of Buildings Based on Sunlight and Wind Direction (Case study: Gorgan), Quarterly, ” Journal of Geography and Regional Planning, Vol.2. No. 2, pp. 141-156, 2012.
[5] W.A. Burgess, “Recognition of Health Hazards in Industry, ” New York: Wiley, p. 5, 1995.
[6] J. L. Kevin, “Architectural Design of an Advanced Naturally Ventilated Building Form, ” Energy and Building, No. 39, pp. 166-181, 2006.
[7] M. Amidpour, “Consideration of the Effects of No Chimney Stoves on Indoor Air Quality, ” Khaje Nasir Toosi University. Tehran, 2008.
[8] S. Asfour, B. Gadi, “A Using CFD to Investigate Ventilation Characteristics of Vaults as Wind-inducing Devices in Buildings, ” Journal of Applied Energy, No. 85, pp. 1126-1140, 2008.
[9] D. Gribble, “Natural Ventilation, Harnessed by New Kingdom Egyption Tomb Builders, may Explain the Changed Floor Levels in the Valley of the Kings Tomb kv5, ” Journal of Tunneling and Underground Space Technology. No. 24, pp. 62-65, 2009.
[10] G. C. Da Graca, N. R. Martins, and C.S. Horta, “Thermal and Airflow Simulation of a Naturally Ventilated Shopping Mall, ” Energy and Buildings, No. 50, pp. 177-188, 2012.
[11] M. Hazbei, Z. Adib and F. Nasrollahi., “Natural ventilation Effect on Shavadoons in Dezful by Applying CFD Modeling, ” The scientific Journal of NAZAR Research Center (Nrc) for Art, Architecture & Urbanism, Vol.11, No.30, pp.43-54, 2014.
[12] A. Heydari, “Study and Analysis of Native Methods of Wind Use in order to Modeling and Modifying the Architecture of Rural Housing in Sistan, ” PH.D. Thesis. Iran University of Science & Technology, Iran, Tehran, 2016.
[13] R. Badiei, “Detailed Geography of Iran, ” Eghbal Publication, Tehran, Iran, 2000.
[14] M.Y. Kiani, “Overview of Urbanization and Urban Development in Iran, ” Islamic Guidance Publication, Tehran, Iran, 1987.
[15] M.Y. Kiani, “Iran Cities, ” Vol. 4, Jahad daneshgahi Publication, Tehran, Iran, p. 206, 1992.
[16] A. Moeini, “Geography and Historical Geography of Gorgan and Plan, ” Book Printing Corporation, Tehran, Iran, p. 83, 1966.
[17] A. Saeidian, “Land and People of Iran, ” Science and Life Publication, Tehran, Iran, 1991.
[18] M. Kasmaei, “Climate and Architecture, ” Khak Publication, Isfehan, Iran, 2006.
[19] Golestan Province Meteorological Department, 2017.
[20] Iran Meteorological Organization, 2005.
[21] M. Tahbaz, Sh. Jalilian, “Principles of Architectural Design with Climate in Iran by Approach of Mosque Architecture, ” Shahid Beheshti University Publication, Tehran, Iran. Vol.2. p.43, 2011.
Published
2019-12-01
How to Cite
Rezaei, F., & Mahmoudi, M. (2019). Analysis of Wind Behavior in Openings by CFD, in order to Enhance Natural Ventilation in Residential Buildings Design of Moderate and Humid Climate (Case of Study: City of Gorgan). Majlesi Journal of Energy Management, 8(4), 7-15. Retrieved from http://journals.iaumajlesi.ac.ir/em/index/index.php/em/article/view/400
Section
Articles