<abstract xmlns="http://www.w3.org/1999/xhtml"><p>A large proportion of the world’s population resides in developing countries where there is a lack of rigorous studies in designing energy efficient buildings. This study is a step in designing a naturally ventilated high rise residential building in a tropical climatic context of the developing country, Pakistan. Karachi, the largest city of Pakistan, lies in the subtropical hot desert region with constant high temperature of average 32 °C throughout the summer and no particular winter season. The <italic>Design Builder</italic> software package is used to design a 25 storey high rise residential building relying primarily on natural ventilation. A final conceptual design is proposed after optimization of massing, geometry, orientation, and improved building envelope design including extensive shading devices in the form of trees. It has been observed that a reduction of 8 °C in indoor ambient temperature is possible to achieve with passive measures and use of night time ventilation. A fully naturally ventilated building can reduce the energy consumption for cooling and heating by 96 % compared to a building using air conditioning systems.</p></abstract>

A large proportion of the world’s population resides in developing countries where there is a lack of rigorous studies in designing energy efficient buildings. This study is a step in designing a naturally ventilated high rise residential building in a tropical climatic context of the developing country, Pakistan. Karachi, the largest city of Pakistan, lies in the subtropical hot desert region with constant high temperature of average 32 °C throughout the summer and no particular winter season. The Design Builder software package is used to design a 25 storey high rise residential building relying primarily on natural ventilation. A final conceptual design is proposed after optimization of massing, geometry, orientation, and improved building envelope design including extensive shading devices in the form of trees. It has been observed that a reduction of 8 °C in indoor ambient temperature is possible to achieve with passive measures and use of night time ventilation. A fully naturally ventilated building can reduce the energy consumption for cooling and heating by 96 % compared to a building using air conditioning systems.

An Attempt to Design a Naturally Ventilated Tower in Subtropical Climate of the Developing Country; Pakistan

Environmental and Climate Technologies

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

A large proportion of the world’s population resides in developing countries where there is a lack of rigorous studies in designing energy efficient buildings....

An Attempt to Design a Naturally Ventilated Tower in Subtropical Climate of the Developing Country; Pakistan

Published Online: Dec 29, 2017

Page range: 47 - 67

DOI: https://doi.org/10.1515/rtuect-2017-0015

Keywords
Climate, developing countries, global warming, Karachi, natural ventilation, Pakistan, residential living, subtropical cities, tropical

© 2017 Maha Sohail, published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

An Attempt to Design a Naturally Ventilated Tower in Subtropical Climate of the Developing Country; Pakistan

Published Online: Dec 29, 2017

Page range: 47 - 67

DOI: https://doi.org/10.1515/rtuect-2017-0015

KeywordsClimate, developing countries, global warming, Karachi, natural ventilation, Pakistan, residential living, subtropical cities, tropical

© 2017 Maha Sohail, published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Climate, developing countries, global warming, Karachi, natural ventilation, Pakistan, residential living, subtropical cities, tropical