Assessing Indoor Thermal Comfort of Residential Building Designs in Semi-Arid Climate PDF
Preview Assessing Indoor Thermal Comfort of Residential Building Designs in Semi-Arid Climate
Ain Shams University Egypt Assessing Indoor Thermal Comfort of Residential Building Designs in Semi-Arid Climate The Role of the Building Envelope in Improving the Indoor Thermal Environment A Thesis submitted in the Partial Fulfilment for the Requirement of the Degree of Master of Science in Integrated Urbanism and Sustainable Design By Abdalrahman H. A. Alshorafa Supervised by Prof. José Luis Moro Prof. Dr. Mohamed A. Prof. Ingo Helmedag Salheen Professor of Architecture Professor of Integrated DAAD Visiting Professor Planning and Design for Architecture University of Stuttgart Ain Shams University July 2014 Assessing Indoor Thermal Comfort of Residential Building Designs in Semi-Arid Climate The Role of the Building Envelope in Improving the Indoor Thermal Environment A Thesis submitted in the Partial Fulfillment for the Requirement of the Degree of Master of Science in Integrated Urbanism and Sustainable Design By (Abdalrahman H. A. Alshorafa) Supervised by Prof. José Luis Moro Prof. Dr.Mohamed A. Salheen Prof. Ingo Helmedag Professor of Architecture Professor of Integrated Planning DAAD Visiting Professor for and Design Architecture. University of Stuttgart Ain Shams University Examiners Committee Signature Prof. Dr. Mohamed Moemen Afify (external examiner) Professor of Architecture and Environmental Design Cairo University Dr. Mostafa Refat Ahmed Ismail (internal examiner) Associate Professor of Environmental Control and Sustainable Architecture Ain Shams University Prof. Dr.Mohamed A. Salheen (from supervisory committee) Professor of Integrated Planning and Design Ain Shams University Prof. José Luis Moro (from supervisory committee) Professor of Architecture University of Stuttgart Ain Shams University Egypt 07/21/2014 Disclaimer This dissertation is submitted to Ain Shams University, Faculty of Engineering and University of Stuttgart, Faculty of Architecture and Urban Planning for the degree of Integrated Urbanism and Sustainable Design. The work included in this thesis was carried out by the author in the Year 2014 The candidate confirms that the work submitted is his own and that appropriate credit has been given where reference has been made to the work of others. 07/21/2014 (Abdalrahman H. A. Alshorafa) Signature Acknowledgements First, I would like to express my deepest gratitude to my god “Allah” who gave me the power and spirit to finish this piece of work. And also, I would like to express my deepest appreciation to my supervisors, Prof. Moro, Helmedag and Salheen for their useful comments, remarks and engagement through the learning process of this master thesis. Furthermore I would like to thank both universities, IUSD office and my scholarship funder (DAAD) for their guidance, caring, patience, and providing me with an excellent atmosphere for doing research. Also, I would like to thank the professional persons and bodies in my case study –Amman, Jordan. To name few; Jordanian Green Building Council, Engineering syndicate, Arch. Tala Awadallah, Thaer Qubaa and Rola alaseer, who have willingly shared their precious time during the process of interviewing, and providing me the useful information and cases. Also, Dr. Ayoub Abudayyah for enlightening the best practices in the field and helping me putting pieces together. I would like to thank my colleges and friends overseas, who have been always there supporting me throughout the entire process to keep my spirit. I will be grateful forever for your love. Finally, special thanks to my parents, three elder sisters and brothers, they were always supporting me and encouraging me with their best wishes. II Research Abstract Achieving a comfortable indoor environment is one of the main goals that designers have to achieve in their projects. However, achieving this goal reflects on occupants’ productivity, satisfaction, in addition to cost reduction and many other issues. And in meanwhile involves multiple disciplines. As this sense started to rise within the concerned bodies in the developing region. Hence, the Jordanian capital – Amman was chosen as a case study for this research. By concentrating on contemporary building techniques and materials, this research focus on the effects of building envelope components upon improving indoor thermal comfort for occupants in residential buildings. Furthermore, results can be reflected on heating/cooling loads of the building and consequently energy consumption. A combination of literature and computer-based studies was forming the research methodology. This method is based on reviewing the state of art in the field to build a base for the following computer-based studies. Then, reflect and link results to it. However, computer-based simulation studies -on its own- lack reality, so results of verification case was compared with results of the same case published by a professional body in the field, to approved it. By manipulating the main three components of building envelope; roofs, exterior walls and opening size, the research ran computer simulation for 27 different scenarios aiming to investigate the impact of heat transfer co-efficient. A typical apartment was modeled and two critical located rooms in the most critical year periods, were chosen as representatives. Results were assessed upon Predicted Mean Vote (PMV) index by Fang which gives score -out of seven points- for the thermal conditions. Later on, advanced scenarios were proposed aiming to enhance the critical results to reach the best thermal sense in the indoor environment. Abdalrahman H. A. Alshorafa Key words Indoor environment, Thermal Comfort, Building envelope, residential building in Amman - Jordan, computer simulation. i ii
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