School of Planning and Architecture, Delhi

About: School of Planning and Architecture, Delhi is a education organization based out in New Delhi, India. It is known for research contribution in the topics: Population & Smart city. The organization has 278 authors who have published 347 publications receiving 1665 citations.

Thermal efficiency of building clusters: an index for non air-conditioned buildings in hot climates

Abstract: The thermal behaviour of common building forms is well known but this behaviour is altered when buildings are laid out in clusters. The overall building form, the extent of glazed and unglazed surface area, the building orientation and the proximity of other buildings determine solar heat gains to the building. A geometrical property of the building called solar exposure can be used to determine relative effi ciency of different types of building clusters in both warm and cold climates. For air-conditioned and/or heated buildings the solar exposure bears a direct relationship to the energy used for heating and air-conditioning, but no such relationship exists between discomfort (or comfort) obtained in non air-conditioned buildings in warm climates and the building solar exposure. However, it is found that solar exposure per unit surface area of building is related to the discomfort index and the former is therefore a good indicator of the relative thermal performance of buildings in different urban layouts. Extended building forms with large external surface areas are useful in hot climates, but even better results can be obtained when compact forms are used with highly articulated surfaces.

Smart Metropolitan Regional Development: Economic and Spatial Design Strategies

Abstract: An overview view of smart metropolitan regional development is presented as a backdrop for research studies of this book. First, metropolitan region is defined followed by its form and functions. Then, smart metropolitan regional development is defined. The chapter studies the global metropolitan cities development and shows how metro cities, megacities and meta-cities are emerging across the world in Asia, Africa, Europe and America. Metropolitan cities are continuously exposed to external economic stimuli and requires intermediate range strategies as responses to face it. These periodic challenges of cities call for differing and flexible spatial and economic strategies to intervene in emerging global situation. By and large such strategy making dynamics is rare to be found and it is an important gap which this book address. To face these emerging metropolitan challenges, there is a need to design economic and spatial strategies at the intermediate time horizon. Therefore, this chapter concludes with a critical analysis of economic and spatial design strategies of 17 metropolises in their official plans which of course is long range plans.

Logistics Sprawl in Timber Markets and its Impact on Freight Distribution Patterns in Metropolitan City of Delhi, India

Abstract: Logistics sprawl is resulting in logistics and transport companies moving towards the periphery of the cities. This outward movement of logistics facility has brought about a change in the supply chains, patterns of distribution modes and freight distribution mileages which have resulted in an increased environmental impact. The present city Master Planning practices for planning freight facilities in metropolitan cities like Delhi in particular are insensitive to the changing trends of logistics sprawl and its impact on freight environment. The present paper is an attempt to study the phenomena of logistics sprawl in city of Delhi taking the case study of timber industry and assess its consequent impact.

Quantitative outdoor thermal comfort assessment of street: A case in a warm and humid climate of India

Abstract: Increasing air temperature in urban areas has been a global concern and is mostly attributed to the urban environment's physical changes. As a result, increased urban heat island phenomenon is often observed in cities impacting outdoor spaces' quality of life. This study investigates the factors influencing a street canyon's outdoor thermal comfort. User-perception surveys and empirical measurements using Testo 480 and Testo 870 thermal imager were carried out at selected six grid-points along 600 m long and 12 m wide Besant road, a semi-motorized commercial street in Vijayawada, Andhra Pradesh, India. Based on the thermal sensation questionnaire survey, Physiologically Equivalent Temperature (PET) for all the observation points were computed using RayMan pro. The correlation between the design control parameters identified and observed PET shows that the sky view factor (SVF) and mean radiant temperature (MRT) are major influencing factors determining the street's thermal conditions. Unlike aspect ratio, SVF showed a strong correlation with PET. The results indicate that by modifying physical parameters, significant improvement in overall outdoor comfort can be attained. Further, it was observed that the respondents' comfort sensitivity is higher in range than that of comfort standards, as the respondents showed increased tolerance to high temperatures.