International Journal of

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Human’s disregard to nature and consequently his living environment’s distance from natural endowments and potentials have caused many problems. Human’s living spaces are less desirable for him, and have destroyed his comfort in many cases, as man-made things. In this regard, public open spaces in residential areas can be mentioned because they are usually considered among the most vulnerable spaces due to having the least thermal comfort and spatial quality. This is because they are able to provide comfort only if they interact with nature and use natural energy sources such as sun, wind, plants etc. In this regard, this study focused on providing comfort specifically thermal comfort in residential public open spaces by using natural endowments and energies especially the sun and shade provided by solar radiation. This study aimed to analyze the climatic factors in Yazd meteorological station, especially the temperature and radiation analysis and making this information meaningful regarding human’s thermal comfort in open spaces to introduce the climate potentials specifically the sun. Then, some traditional houses in Yazd were analyzed, their length, width and heights were surveyed, the real shade masks of the walls in yards were measured, and a logical relationship was observed between solar radiation and yard proportions and how the shade is formed in these yards. Therefore, it could be concluded what the role of these proportions and the best yard proportions is to provide the thermal comfort in open spaces.

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Outdoor spaces and their thermal condition is becoming a controversial issue in modern architecture and urbanism. It has a great effect on people who use the open spaces like campuses where many students from different cities spend most of their time. This research investigated the effect of SVF, MRT and PET in the two campuses namely: Iran University of Science and Technology (IUST) and Amirkabir University of Technology (AUT). Thermal condition of campuses has diverse states due to their different level of shaded open spaces. PET is calculated via Rayman for thermal-comfort assessment in spring and summer, 2015. Subsequently, it was determined that by decreasing SVF to 0.4, Tmrt declines to 3.04°C. The variations of MRT's influence PETs drop. PET comparison in two campuses illustrates that in an average value of PET, there is 0.86°C dissimilarity between campuses in the warmest time of the year (July). IUST campus is 1.39°C cooler on the PET measure. In conclusion, increasing shaded spaces by increasing green spaces and trees can create cooler campuses. Integrated design of shaded open spaces with their architectural forms is recommended as a design strategy for the designers to create a responsive environment in terms of thermal comfort. By this means, cooler campuses are more prone to be used by students and their activities.

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Today’s housing, as a private realm of human life, has changed in comparison with the past which was made regardless of quality, desirability, and lack of paying attention to the human needs and its psychological consequences; That is to say, residential units have turned into a set of closed spaces and their open and semi-open spaces have been merged into the urban spaces which disrupted their fundamental functions. In such a situation, reviewing and paying special attention to these spaces together with closed spaces in Tehran is really necessary. But this question is proposed that what are the indicators affecting the quality of open and semi-open spaces in contemporary housing? And how much do they affect the quality of these spaces? This research has a mixed (quantitative-qualitative) method which is applied in terms of purpose, and in terms of data collection method it is of descriptive-analytical and survey type. The statistical population includes 380 inhabitants in residential apartments in the Zafaranieh neighborhood of Tehran. After collecting field information through the questionnaire, the indicators affecting open and semi-open spaces, including: functional, behavioral, physical, environmental, social and perceptual-semantic by using statistical analysis software were analyzed. To investigate the significance of relationship between the mean difference of the scores of the effective indicators, the one sample T-test method and intragroup one-way analysis of variance have been used; the results obtained from the research showed that in the open and semi-open spaces of residential apartments in the Zafaranieh neighborhood, the physical, environmental and behavioral indicators with the mean score of 4.17, 3.52 and 3.22, respectively, have somewhat more favorable and more appropriate situation than other indicators, and currently their efficiency ratio is at moderate limit. However, the functional, social and perceptual-semantic indicators with the mean score of 2.68, 2.57 and 2.21, respectively, are in an unfavorable and inappropriate situation, and their efficiency ratio is at weak limit.

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This study investigated the role of different indexes in open spaces of residential buildings in Tabriz, Iran. The main objective of the study was to evaluate the indexes with a higher level of effectiveness. Using a quantitative method, both descriptive and analytical data were entered into  SPSS, and structural equation modeling (SEM) was done using Smart PLS software. The case study included open spaces in Tabriz. The sample included 380 inhabitants of Tabriz residential buildings. The indexes were divided into two groups of central indexes and dispersion indexes. The important factor in central indexes was average; meanwhile, variance and standard deviation were the determinative factors in the peripheral indexes. Cultural anthropology of buildings’ open spaces showed that FA in emotional indexes and culture of open spaces grading had the highest level. Perceptional indexes were in the medium level, and physical indexes had the lowest level. Finally, the common classification of indexes included inspirations, memories, dreams, feelings, failure, thrill, ownership, sense of power, safety and security, and disappointment. A special attention should be paid to different dimensions such as cultural anthropology and issues related to human beings in public spaces, which cannot be solved with a single approach. Further studies are required to confirm the findings of this study in other cities and different cultural and societal levels and contexts.

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Urban planning and morphology are one of the most important factors affecting land surface temperature (LST) and microclimate chrematistics. The production of anthropogenic heat, mainly for cooling systems and lighting, has resulted in significant impacts on the quality of the thermal environment. These impacts include poor air quality, increased temperatures, higher energy consumption, and the development of urban heat islands (UHIs). With the growing urban population and increased building height, especially in metropolitan areas, there have been significant changes in the urban geometry, rate of pollution, amount of heat released, and meteorological parameters. All these factors contribute to the heat island phenomenon and significantly alter the microclimate in urban areas. The goal of this article is measuring the effects of height changes in buildings around Tehran metropolitan squares in a detailed plan on microclimatic changes. As part of a research study, the Hafthoz Square in Tehran was chosen as a case study. The researchers used a combination of simulation techniques (Envi-met) and GIS to detect the spatial variation of Land Surface Temperature (LST) and determine its quantitative relationship with building height and density. This was achieved through simulation modeling for the Narmak neighborhood of Tehran. As Conclusion, the results indicate that comparison on the simulation between the existing conditions and proposed scenario area showed that in the proposed scenario, wind speed and relative humidity decrease and ground surface temperature (UHI) and PPD and PMV indices increase. Therefore, if the detailed plan of Tehran metropolis is realized and implemented in many squares, it will be accompanied by changes in micro-climatic parameters in order to reduce the thermal comfort of citizens.

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Landscapes and urban green spaces, particularly urban parks, are among the most crucial urban areas. Therefore, planning and designing urban parks to offer appropriate services under various conditions, including during infectious disease pandemics, is essential and ensures citizens' health. This study aimed to bridge the gap between urban park design and pandemic needs by proposing design criteria based on expert opinions to meet park users' health needs during a pandemic. A questionnaire with seven questions was developed to establish these criteria, resulting in a total of 28 criteria. After collecting the questionnaires, the data were extracted, and the frequency of each option was determined. The criteria for designing urban parks under pandemic conditions were then ranked by importance. Our research identified three of the most important criteria: implementing an electronic queuing system in buffets or restaurants to eliminate customer lines, installing automatic hand sanitizers throughout the park, and equipping drinking fountains with smart valves to minimize hand contact. An additional 25 criteria were also prioritized. Designers and urban planners can utilize these criteria to create or redesign parks that are better suited for pandemic conditions compared to current parks