A Proposal for Desert House Design in Egypt Using Passive Ground Cooling Techniques

Dorra, Mohamed Medhat; Farroh, Hend El-Sayed; Amer, Lubna E

doi:10.21622/resd.2018.04.1.021

Cited by 5 publications

(4 citation statements)

References 32 publications

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“…Urban projects targeting rehabilitation in cities nearer to the desert aim to decrease congestion and halt urban sprawl over agricultural land. There is a need to design low cost energy efficient housing in order to attract populations looking to relocate to these regions, especially given the higher cost of living and higher electricity consumption in the denser areas like Cairo and Alexandria (Dorra et al, 2018).…”

Section: Sustainable Building Bricks: the Case Of Bastoob 2 Egyptmentioning

confidence: 99%

Technological Innovations and Degrowth Opportunities From Urban Egypt: Initiating the Discourse

Ibrahim

Sarkis

2020

Front. Sustain. Cities

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Degrowth can support urban sustainability, especially in the Global South. Degrowth and technological innovation have a controversial relationship, some believe they cannot function together, others believe they are supportive. This debate is evaluated and we posit that they are compatible if managed carefully with effective policies in place. We provide three technological cases from Egypt, where these cases are mapped to degrowth elements. This study is just an initial step in introducing the discourse; degrowth with environmental and social sustainability needs to be included on the map of policy makers. Policy implications include investment, awareness raising, education, and diffusion of technologies that can support degrowth.

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Section: Sustainable Building Bricks: the Case Of Bastoob 2 Egyptmentioning

confidence: 99%

Technological Innovations and Degrowth Opportunities From Urban Egypt: Initiating the Discourse

Ibrahim

Sarkis

2020

Front. Sustain. Cities

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“…One of the effective passive measures for cooling and heating buildings is the employment of ground temperatures, which stay nearly constant at a certain depth due to the ground's thermal inertia [15,16]. The ground temperature of a specific location remains constant at a depth of 1.5-4 m throughout the year [17][18][19][20][21]. At a certain depth, this temperature is lower in summers and higher in winters than the ambient temperature.…”

Section: Introductionmentioning

confidence: 99%

Parametric Performance Analysis of the Cooling Potential of Earth-to-Air Heat Exchangers in Hot and Humid Climates

et al. 2022

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Earth-to-air heat exchangers (EAHEs) are widely used to reduce the indoor temperature and associated cooling energy demand of buildings. This study investigated the potential reduction in indoor temperatures via energy-efficient ventilation through EAHEs in an existing architectural campus building (ACB) with an energy-efficient renovated building envelope in the hot and humid climate of Karachi, Pakistan. The building information modeling (BIM) program Autodesk Revit was used to develop a virtual ACB BIM model. An EnergyPlus parametric analysis of the ACB BIM model in DesignBuilder facilitated quantification of the influences of operating parameters such as pipe installation depth and pipe diameter for EAHEs with similar total pipe lengths and air-exchange rates on the performance of the EAHEs during the cooling season. A 3 m deep and 0.1 m diameter pipe layout in open space significantly reduces indoor temperature via a specific duct layout in an exemplary ACB. The results show that a pipe diameter above 0.1 m is unsuitable because of the reduction in convective heat transfer due to the increase in the pipe’s surface area and the decrease in pressure in the pipe. The findings of this study can be used to improve the indoor thermal comfort of buildings in climates with comparable properties.

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“…As an example, Alajmi et al [11] show that the soil has the potential to reduce cooling energy demand in a typical house in Kuwait by 30% over the peak summer season. Moreover, Dorra et al [12] propose a design for desert Egyptian dwellings that accommodate the hot dry climate by incorporating passive elements and by using stabilised earth blocks as a local building material. In [13], the use of low-enthalpy geothermal energy that consists of converting mine galleries in Spain into underground heat exchangers is described and analysed.…”

Section: Introductionmentioning

confidence: 99%

Ancient Use of Natural Geothermal Resources: Analysis of Natural Cooling of 16th Century Villas in Costozza (Italy) as a Reference for Modern Buildings

Ferrucci

Peron

2018

Sustainability

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The geothermal cooling system of six 16th century villas in Costozza (Vicenza, Italy) is analysed and modelled using computational fluid dynamics and referring to in-field monitoring data. The system passively cools the villas in summertime by means of underground ducts connected to the caves present in the nearby hills. It still perfectly works in Villa Aeolia, which is analysed here in more detail. The outcomes permit us to better understand the functioning conditions and to improve the conservation of the villas as a whole. Furthermore, the ancient cooling system can be used as a reference for how geothermal renewable resources can be used to improve indoor comfort and limit energy consumption in modern buildings in a temperate climate. A macroscopic analysis of the global airflow system as well as a detailed analysis of Villa Aeolia are developed. All results are validated with analytical methods, numerical methods, and with past experimental records. The system can provide fresh airflow rates that cool the walls of the room and maintain the temperature below 20 ° C even on hot summer days. An advantage is that the system works in a self-adaptive way, the airflow increases when the outdoor temperature increases. This self-adjustment allows us to compare the cooling system to a modern environmental control system.

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A Proposal for Desert House Design in Egypt Using Passive Ground Cooling Techniques

Cited by 5 publications

References 32 publications

Technological Innovations and Degrowth Opportunities From Urban Egypt: Initiating the Discourse

Technological Innovations and Degrowth Opportunities From Urban Egypt: Initiating the Discourse

Parametric Performance Analysis of the Cooling Potential of Earth-to-Air Heat Exchangers in Hot and Humid Climates

Ancient Use of Natural Geothermal Resources: Analysis of Natural Cooling of 16th Century Villas in Costozza (Italy) as a Reference for Modern Buildings

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