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The number of tall buildings is increasing as a result of the advances in construction technologies and the rising land prices. These buildings are characterised by their high energy consumption compared to other building types as they rely intensively on mechanical HVAC systems due to the extreme weather conditions associated with the increase in height. However, they present a great opportunity for energy savings. In recent years, it has been noticed the increasing interest in geometry and form of tall buildings, as a result of the evolution of parametric modelling and 3D visualisation tools, on the expense of the environmental aspect. This paper discusses factors affecting the energy consumption in the tall buildings. Through an extensive analysis of Literature, active and passive energy efficient strategies adopted in tall building at various building stages are identified. In addition, the role of architectural design parameters, such as building form, orientation and envelope on the tall building energy performance are highlighted. Finally, a set of guidelines and environmental design strategies to be considered in different phases in order to achieve energy-efficient tall buildings are proposed. These strategies have been categorised into four stages namely early design, conceptualisation, and documentation and operational. A 3D modelling approach was used to visualise and illustrate the proposed strategies in different stages.

The number of tall buildings is increasing as a result of the advances in construction technologies and the rising land prices. These buildings are characterised by their high energy consumption compared to other building types as they rely intensively on mechanical HVAC systems due to the extreme weather conditions associated with the increase in height. However, they present a great opportunity for energy savings. In recent years, it has been noticed the increasing interest in geometry and form of tall buildings, as a result of the evolution of parametric modelling and 3D visualisation tools, on the expense of the environmental aspect. This paper discusses factors affecting the energy consumption in the tall buildings. Through an extensive analysis of Literature, active and passive energy efficient strategies adopted in tall building at various building stages are identified. In addition, the role of architectural design parameters, such as building form, orientation and envelope on the tall building energy performance are highlighted. Finally, a set of guidelines and environmental design strategies to be considered in different phases in order to achieve energy-efficient tall buildings are proposed. These strategies have been categorised into four stages namely early design, conceptualisation, and documentation and operational. A 3D modelling approach was used to visualise and illustrate the proposed strategies in different stages.

The number of tall buildings is increasing as a result of the advances in construction technologies and the rising land prices. These buildings are characterised by their high energy consumption compared to other building types as they rely intensively on mechanical HVAC systems due to the extreme weather conditions associated with the increase in height. However, they present a great opportunity for energy savings. In recent years, it has been noticed the increasing interest in geometry and form of tall buildings, as a result of the evolution of parametric modelling and 3D visualisation tools, on the expense of the environmental aspect. This paper discusses factors affecting the energy consumption in the tall buildings. Through an extensive analysis of Literature, active and passive energy efficient strategies adopted in tall building at various building stages are identified. In addition, the role of architectural design parameters, such as building form, orientation and envelope on the tall building energy performance are highlighted. Finally, a set of guidelines and environmental design strategies to be considered in different phases in order to achieve energy-efficient tall buildings are proposed. These strategies have been categorised into four stages namely early design, conceptualisation, and documentation and operational. A 3D modelling approach was used to visualise and illustrate the proposed strategies in different stages.

The number of tall buildings is increasing as a result of the advances in construction technologies and the rising land prices. These buildings are characterised by their high energy consumption compared to other building types as they rely intensively on mechanical HVAC systems due to the extreme weather conditions associated with the increase in height. However, they present a great opportunity for energy savings. In recent years, it has been noticed the increasing interest in geometry and form of tall buildings, as a result of the evolution of parametric modelling and 3D visualisation tools, on the expense of the environmental aspect. This paper discusses factors affecting the energy consumption in the tall buildings. Through an extensive analysis of Literature, active and passive energy efficient strategies adopted in tall building at various building stages are identified. In addition, the role of architectural design parameters, such as building form, orientation and envelope on the tall building energy performance are highlighted. Finally, a set of guidelines and environmental design strategies to be considered in different phases in order to achieve energy-efficient tall buildings are proposed. These strategies have been categorised into four stages namely early design, conceptualisation, and documentation and operational. A 3D modelling approach was used to visualise and illustrate the proposed strategies in different stages.

تزايدت أعداد المبانى العالية بصورة كبيرة فى مدن العالم المتقدمة والنامية على حدٍ سواء نتيجة لتجمع مجموعة عوامل كان أهمها التقدم التكنولوجى فى صناعة البناء وتطور المصاعد الرأسية بالإضافة إلى تناقص المعروض من الأرض الصالحة للبناء وإرتفاع ثمنها، تلك المبانى التى تتميز بكونها أكثر أنماط المبانى إستهلاكاً للطاقة، نظراً لإعتمادها بصورة شبه كاملة على الإضاءة والتهوية الصناعية، كما يؤدى الإرتفاع إلى إنعزالها عن النسيج العمرانى المحيط وبالتالى تأثرها بشكل أكبر بالعوامل المناخية كالإشعاع الشمسى المباشر، الأمر الذى يزيد من أحمال التبريد الصناعية. هذا بجانب الإستهلاك الكبير للطاقة فى الحركة الرأسية للأفراد والمواد خلال إرتفاع المبنى. هناك العديد من العوامل التى تؤثر على كفاءة إستهلاك الطاقة فى المبانى العالية فى المناخ الحار، وتعتبر العوامل المعمارية كتوزيع إستخدامات المبنى وتصميم الشكل الهندسى والغلاف الخارجى من أهم تلك العوامل التى تلعب دوراً محورياً فى تحديد طريقة إستهلاك المبنى العالى للطاقة، لذا فإن البحث يهدف إلى صياغة دليل تصميمى لتلك العوامل من أجل المساعدة على إتخاذ القرارات التصميمية المناسبة لإنتاج مبانى عالية كفء فى إستهلاك الطاقة.

تزايدت أعداد المبانى العالية بصورة كبيرة فى مدن العالم المتقدمة والنامية على حدٍ سواء نتيجة لتجمع مجموعة عوامل كان أهمها التقدم التكنولوجى فى صناعة البناء وتطور المصاعد الرأسية بالإضافة إلى تناقص المعروض من الأرض الصالحة للبناء وإرتفاع ثمنها، تلك المبانى التى تتميز بكونها أكثر أنماط المبانى إستهلاكاً للطاقة، نظراً لإعتمادها بصورة شبه كاملة على الإضاءة والتهوية الصناعية، كما يؤدى الإرتفاع إلى إنعزالها عن النسيج العمرانى المحيط وبالتالى تأثرها بشكل أكبر بالعوامل المناخية كالإشعاع الشمسى المباشر، الأمر الذى يزيد من أحمال التبريد الصناعية. هذا بجانب الإستهلاك الكبير للطاقة فى الحركة الرأسية للأفراد والمواد خلال إرتفاع المبنى. هناك العديد من العوامل التى تؤثر على كفاءة إستهلاك الطاقة فى المبانى العالية فى المناخ الحار، وتعتبر العوامل المعمارية كتوزيع إستخدامات المبنى وتصميم الشكل الهندسى والغلاف الخارجى من أهم تلك العوامل التى تلعب دوراً محورياً فى تحديد طريقة إستهلاك المبنى العالى للطاقة، لذا فإن البحث يهدف إلى صياغة دليل تصميمى لتلك العوامل من أجل المساعدة على إتخاذ القرارات التصميمية المناسبة لإنتاج مبانى عالية كفء فى إستهلاك الطاقة.

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