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      • Open Access Article

        1 - The heating and feeling effect of Sky View Factor (SVF) based on the direction of urban streets (Case study: Isfahan streets)
        Armaghan Ahmadi Venhari Ali Ghafari Mansoureh Tahbaz Hasan Taghvai Bahram Saleh Sedghpour
        Background and Objective: Growing urbanization has different consequences which one of them is increasing the temperature of cities thus, more usage of mechanical air-condition, more energy consumption and environmental and health consequences are inevitable. The necess More
        Background and Objective: Growing urbanization has different consequences which one of them is increasing the temperature of cities thus, more usage of mechanical air-condition, more energy consumption and environmental and health consequences are inevitable. The necessity of thermal mitigating methods in designing sustainable cities, especially by adjusting received radiation, has been emphasized. Therefore, Sky View Factor (SVF) as a quantitative index has been proposed.  Considering the fact that, urban streets have the largest area among other urban spaces and play an important role in thermal comfort in cities, streets in hot and dry climate (Isfahan) in two directions of N-S and E-W were selected. Method: In this study, field studies and simulation have been applied. Field study has been conducted in 17 streets with different width, closeness and green coverage, in summer 2014.. In ENVI-met  5 green arrangements in 3 closeness scale (1, 1/2, ¼) were simulated to investigate green and physical SVF separately. Data gathering, calculating SVF (Rayman has been applied in field study), homogenizing data and statistical and logical analysis between variations, in the procedure applied in both methods. Findings: The minimum SVF, which is effective to heat mitigation in Isfahan, is 0.6, which can be greenery or buildings. In addition, the most effective SVF is less than 0.2. As a result, Sabat with SVF equals to zero have been a traditional smart choice in this climate. Discussion and Conclusion: Finally, the results indicate a relatively high accuracy of three methods in estimating the transmission potential for land use and land cover changes, but according to the kappa coefficients, the accuracy of Similarity Weighted Instance based Learning method more than the other two methods.   Manuscript profile
      • Open Access Article

        2 - Can Urban Design Play a Role in Urban Sustainability? International developments / local challenges
        Hossein Bahrainy
      • Open Access Article

        3 - Investigating the Principles of Modern Urban Design and Traditional Urban Planning in the Design of Cities in the Central Desert of Iran (Case study: Abshahi Neighborhood of Yazd)
        arian naghavi anaraki Mohammad Reza Farzad Behtash
        The development pattern of today's cities has moved away from traditional methods and the quality of life in cities has decreased and has become alien to the socio-cultural needs of the Iranian people. This trend has caused the historical parts of large cities to lose t More
        The development pattern of today's cities has moved away from traditional methods and the quality of life in cities has decreased and has become alien to the socio-cultural needs of the Iranian people. This trend has caused the historical parts of large cities to lose their traditional identity and be separated from modern urban developments. One of these cities is the city of Yazd and Abshahi neighborhood. And many other problems. The main purpose of this study is to study and analyze the pattern of urban planning in the Abshahi neighborhood of Yazd and the role of traditional patterns in modern urban planning and localization of modern patterns with Iranian-Islamic culture. In fact, achieving the importance of what urban design should be in the inner core of Shahrizad to provide sustainability, causing aspects of traditional Iranian design have a sustainable nature and can be reused to create a new socio-cultural identity and responded to specific social needs in urban planning. In this research, descriptive-analytical, qualitative-field, survey and historical research methods have been used with the help of Holdern model and quartile distribution. The results of this study show that traditional and modern urban planning, not only do not oppose each other, but together achieve a sustainable and environmentally friendly urban design.   Manuscript profile