Thermal Behaviour Assessment For The Different Building Envelope Parts In Egypt Under Climate Change Scenarios

Abstract

This paper presents a comprehensive evaluation for (of) the results of a recent research effort concerning thermal comfort in residential buildings in Egypt. The energy performance and thermal comfort were considered based on the instructions of the Egyptian Residential Energy Code (EREC) to improve the efficiency of energy use. The conclusions of the aforementioned research on the building envelope (walls / fenestration) were tested together to make sure (prove or demonstrate or verify) that the use of what seems to be the best solutions for external walls (solid part) in addition to the best solutions for fenestration (openings), will results result in a better overall performance in energy consumption and thermal comfort, than (when) implementing (only) one of the two choices. To attain that, two (mixed-mood) [heating, ventilation and air conditioning (HVAC)] case study buildings were dynamically simulated in three dominant Egyptian climatic zones, using current climate conditions (2002) in addition to three other morphed climate change scenarios (2020, 2050 and 2080). Achieving the required rates for thermal comfort, and acquiring (securing) long term financial gains were the basic elements of the evaluation. The results provide what seems to be a functionally and financially successful combination to fulfil the evaluation elements.

Assessment of Green Building Materials’ Attributes to Achieve Sustainable Building Façades Using AHP

“…El-Darwish et al [31] added EPS as an internal insulation material to a higher educational building in Egypt to minimize energy consumption. Mahdy et al [32] evaluated three sets of external walls for low-income residential housing in three different Egyptian climatic zones to minimize energy consumption, achieve indoor thermal comfort, and guarantee maximum cost-effectiveness. Targeting to enhance the performance of building facades, some studies [6,33] assessed different wall systems in accordance with Montreal weather conditions (cold climate zone) for low-rise commercial buildings using Fuzzy measures.…”

Determination of optimum thickness of nano and traditional insulation materials for building external walls by using degree-day approach for different climatic regions in Egypt

“…The reason for selecting Cairo and Alexandria where about 50% of the new construction projects implemented in Egypt are located in Cairo and Alexandria. Whereas Aswan is considered a very unique region in terms of climatic aspects compared to other regions [9]. Electricity is used as an energy source for heating/cooling as well as, five types of thermal insulation materials are used and their properties.…”