Abstract
In this study, Computational Fluid Dynamics (CFD) has been employed to examine the air flow distribution inside Mevlana museum which is one of the important historical places in Turkey. The continuity, momentum and energy equations together with the k-ε turbulence model have been solved using a commercial CFD package. Steady and incompressible flow assumptions have been made to simplify the simulation and reducing the computation time. Sample of the velocity vector plots at different distances from the ground floor of the museum showed circulation zones and vortices at some areas indicating poor air refreshment and possible contaminant emissions. Low velocity areas are also noticeable in some places particularly behind the pillars and any flow obstructs. The dome was found to be a source of enhancing the air flow distribution and flow motion inside the museum. The study concluded that the natural air flow distribution can be improved by different combinations of opening windows and doors based on the wind speed and direction.
References
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Abstract
Bu çalışmada, Hesaplamalı Sıvı Dinamiği (HSD=CFD), Türkiye’deki önemli tarihi yerlerden birisi olan Mevlana Müzesi’ndeki hava akımı dağılımını araştırmak için kullanılmıştır. Devamlılık, moment ve enerji eşitlikleri ile birlikte k-ε türbülans modeli, ticari CFD paket programı kullanılarak hesaplanmıştır. Durağan ve akışkan akım tahminleri, simülasyonu basitleştirmek ve hesaplama zamanının azaltmak amacıyla yapılmıştır. Müze zemininden farklı mesafelerdeki örnek hız vektör parselleri, sirkülasyon alanları ve bazı girdaplarda zayıf hava tazelenmesini ve muhtemele kirli emisyonlara işaret etmiştir. Özellikle sütün arkaları ve akım engelleyiciler gibi bazı alanlarda düşük hava hız alanları gözlemlenmiştir. Kubbenin müze içerisindeki hava akımını ve hareketini iyileştirici bir kaynak olduğu bulunmuştur. Araştırmada, doğal hava akımının, rüzgar hız ve yönüne bağlı olarak faklı kombinasyonlarda pencere ve kapı açılış kombinasyonları ile iyileştirilebileceği sonucuna varılmıştır.
References
- Apte, M.G., Fisk, W.J. Daisey J.M., (2000). Associations between indoor
- CO2 concentrations and sick building syndrome symptoms in US office buildings: An analysis of the 1994-1996
- BASE study data. Indoor Air 10 (4):246-257
- ASHRAE, (1992). ASHRAE Standard 55- Thermal 1992
- Conditions for Human Occupancy. Atlanta, GA: ASHRAE Environmental ASHRAE (2013). Ventilation air acceptable
- ANSI/ASHRAE Standard 62.1-2013.
- Chang, K., Hsu, S., (2001) Effect of ventilation pattern on room air and contaminant Environment. 36 : 989-998 Building
- Chou, P., Chiang, C., Li, Y., Lee, C., Chang, K., (2008). Natural ventilation efficiency in a bedroom with a central- pivoting window. Indoor and Built Environment. 17 (2): 164-172
- Givoni B., (1998). Climate Considerations in Building and Urban Design. John
- Wiley & Sons Inc.; New York, USA Hummelgaard, J., Juhl, P., Sebjornsson, K. O., Clausen G., Toftum, J., Langkilde, G. (2007). Indoor air quality and occupant mechanically ventilated open-plan office buildings.
- Building and Environment, 42:4051– 4058 Mendell, in five four naturally M.J. (1993). symptoms in office workers: A review and summary of the epidemiologic literature. Indoor Air (4):227-236
- Roger et al. (1987, updated on 2000). MET
- Monitoring Guide. US Environmental Protection Agency EPA Document. Can be found at: http://www3.epa.gov/scram001/guidanc e/met/mmgrma.pdf (Last Accessed on 02014)
- Stavrakakis, G. M., Zervas, P. L., Sarimveis, H., Markatos, N.C. (2010).
- Development of a computational tool to quantify architectural design effects on thermal comfort in naturally ventilated rural houses. Building and Environment, 45,(1):65-80
- Zhang, Y., Guan, W. (2006). Maximize comfort: Design of a natural ventilation system in the Dunhuang Museum,
- Proceedings of the Sixth International Conference for Enhanced Building Operations, November 6 - 9 China,
Details
| Primary Language | English |
|---|---|
| Journal Section | Articles |
| Authors | |
| Publication Date | November 25, 2014 |
| Submission Date | November 25, 2015 |
| Published in Issue | Year 2014 Volume: 19 Issue: 1-2 |