Performance Analysis of the Form and Height of Central Skylight of Commercial Buildings in Cold and Dry Climate of Mashhad City

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Zeinolabedinzadeh Samaneh; MEDI HOSSEIN; MAFI MOSTAFA

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Journal Paper

Paper Information

Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2021 | Volume:23 | Issue:3 (106) Page(s): 57-71

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Information Journal Paper

Title

Performance Analysis of the Form and Height of Central Skylight of Commercial Buildings in Cold and Dry Climate of Mashhad City

Author(s)

Zeinolabedinzadeh Samaneh | MEDI HOSSEIN | MAFI MOSTAFA | Issue Writer Certificate

Keywords

Internal Skylight

Heat Stratification

Energy Consumption

Cold and Dry Climate

Abstract

Background and Objective: In recent decades, atriums have been installed in public buildings to optimize Energy Consumption and provide thermal comfort, and therefore have always been of interest to mechanical engineers, architects and designers. Atrium also created different microclimates with different thermal layers in its lower space, which affected the cooling load and thermal comfort inside the building. Therefore, the purpose of this research, is to find the most suitable form and height of atrium for reducing Energy Consumption and Heat Stratification in commercial buildings of Mashhad city with Cold and Dry Climate. Method: This research has used fluent software and Mathematical equations. Initially, Almase Shargh commercial building in Mashhad with central atrium in a spherical form of 5 m height was selected and after field measurements and data recording by dataloggers, the common atrium forms (spherical, prismatic, parabolic and flat at 3 m, 5 m, 7 m and 10 m) were replaced and in order to measure the Heat Stratification, the Mathematical formulas was used. Findings: According to field observations and data measurements, the fifth floor and attic of the indoor skylight due to the influence of sunlight and lack of air conditioning, are critical areas of Heat Stratification and are out of range of thermal comfort throughout the year. Therefore, the amount of Energy Consumption during the year to provide thermal comfort in these floors is high, which can be reduced by reducing the levels of light-absorbing interior walls and using materials with high thermal capacity. Discussion and Conclusion: The results show that the flat form with a height of 3 meters, due to the reduction of light levels in the interior wall and the temperature difference between the floors is the most appropriate form of atrium for reducing Energy Consumption and cooling load up to 7% and reducing Heat Stratification in commercial complex in Cold and Dry Climate of Mashhad city.

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APA: Copy

Zeinolabedinzadeh, Samaneh, MEDI, HOSSEIN, & MAFI, MOSTAFA. (2021). Performance Analysis of the Form and Height of Central Skylight of Commercial Buildings in Cold and Dry Climate of Mashhad City. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, 23(3 (106) ), 57-71. SID. https://sid.ir/paper/950773/en

Vancouver: Copy

Zeinolabedinzadeh Samaneh, MEDI HOSSEIN, MAFI MOSTAFA. Performance Analysis of the Form and Height of Central Skylight of Commercial Buildings in Cold and Dry Climate of Mashhad City. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2021;23(3 (106) ):57-71. Available from: https://sid.ir/paper/950773/en

IEEE: Copy

Samaneh Zeinolabedinzadeh, HOSSEIN MEDI, and MOSTAFA MAFI, “Performance Analysis of the Form and Height of Central Skylight of Commercial Buildings in Cold and Dry Climate of Mashhad City,” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 23, no. 3 (106) , pp. 57–71, 2021, [Online]. Available: https://sid.ir/paper/950773/en

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