Volume 11, Issue 43 (9-2023)
Haft Hesar J Environ Stud 2023, 11(43): 113-130 |
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Rezaei M, Habib F, Shahcheraghi A. Evaluation and analysis of artificial components of Jahan Nama Garden in Shiraz on the quality of thermal comfort and reduction of heat stress (using PET thermal index). Haft Hesar J Environ Stud 2023; 11 (43) :113-130
URL: http://hafthesar.iauh.ac.ir/article-1-1913-en.html
URL: http://hafthesar.iauh.ac.ir/article-1-1913-en.html
Abstract: (855 Views)
Introduction: Thermal comfort in semi-hot and dry climates is one of the main factors for the presence of people in open urban spaces. The present research seeks to achieve a greater presence of people and reduce heat stress for the comfort quality of the micro-climate of the garden. Each of the artificial components of Jahathe n Nama Garden and the effective climatic conditions, has dealt with all of them. Thermal comfort has always been one of the main factors in architecture and urban planning, and among the solutions that respond to climatic conditions, we can mention the Iranian gardens, which have had a great impact on modifying the climatic conditions of the environment since ancient times. Elements that cause human comfort and have natural and artificial dimensions and components. Due to this issue, the Iranian garden model has created green and pleasant spaces for comfort and tranquility and the presence of people, which has been able to make the climatic conditions of the environment livable, desirable, and pleasant.
Methodology: The research method is descriptive-analytical and, in terms of method, qualitatively and quantitatively simulated with Envi-met 4 basic software, which is selected by selecting eight points in the garden, on the first of July by comparing them with the PET thermal comfort index between points. Therefore, the research is based on two strategies of logical reasoning, library analysis on the one hand and quantitative measurement based on ENVI-met 4 basic simulation software. On the other hand, the effective components such as (the location and structure of the garden, and materials) are compared between the mentioned points. Ross data analysis was performed at 9 am, 12 noon, and 5 pm on the 1st of July, the hottest day of the year in the afternoon.
Results: By examining the models (change of materials and orientation), the comfort conditions of the garden are improved and the change of orientation of the garden is more effective than the change of materials. Also, the average radiant temperature has the greatest effect on thermal comfort. R1=0/73 R3 = 0.70, R5 = 0.74, and R7 = 0.74 indicate their correlation. The artificial components of the Jahan Nama garden greatly affect the thermal comfort of the garden in hot seasons.
Conclusion: As a result, the choice of materials and proper orientation leads to controlling the rate of absorption of air temperature and circulation, which reduces heat stress. In the end, the research findings show that the synergy of the components of the Iranian garden in hot and semi-arid climates increases the thermal comfort in the microclimate of the garden and in creating urban open spaces with quality and optimal energy consumption Warm seasons and physical and mental health and reduction of heat stress are very important and the research findings are presented as a model that shows the synergy of these components to provide outdoor thermal comfort.
Methodology: The research method is descriptive-analytical and, in terms of method, qualitatively and quantitatively simulated with Envi-met 4 basic software, which is selected by selecting eight points in the garden, on the first of July by comparing them with the PET thermal comfort index between points. Therefore, the research is based on two strategies of logical reasoning, library analysis on the one hand and quantitative measurement based on ENVI-met 4 basic simulation software. On the other hand, the effective components such as (the location and structure of the garden, and materials) are compared between the mentioned points. Ross data analysis was performed at 9 am, 12 noon, and 5 pm on the 1st of July, the hottest day of the year in the afternoon.
Results: By examining the models (change of materials and orientation), the comfort conditions of the garden are improved and the change of orientation of the garden is more effective than the change of materials. Also, the average radiant temperature has the greatest effect on thermal comfort. R1=0/73 R3 = 0.70, R5 = 0.74, and R7 = 0.74 indicate their correlation. The artificial components of the Jahan Nama garden greatly affect the thermal comfort of the garden in hot seasons.
Conclusion: As a result, the choice of materials and proper orientation leads to controlling the rate of absorption of air temperature and circulation, which reduces heat stress. In the end, the research findings show that the synergy of the components of the Iranian garden in hot and semi-arid climates increases the thermal comfort in the microclimate of the garden and in creating urban open spaces with quality and optimal energy consumption Warm seasons and physical and mental health and reduction of heat stress are very important and the research findings are presented as a model that shows the synergy of these components to provide outdoor thermal comfort.
Type of Study: Research |
Received: 2022/02/6 | Accepted: 2022/06/3 | Published: 2023/08/25
Received: 2022/02/6 | Accepted: 2022/06/3 | Published: 2023/08/25
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