Exploring energy consumption for less energy-hungry building in UK using advanced aerogel window

Mohammad, Abdalrahman Khaled; Ghosh, Aritra

doi:10.1016/j.solener.2023.02.049

Cited by 29 publications

(10 citation statements)

References 43 publications

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“…Figure 3, reproduced from [45], illustrates the heat transfer and daylight through a double-glazing unit considering the outdoor and indoor environments.…”

Section: Glazing Systems' Main Propertiesmentioning

confidence: 99%

“…Figure 3, reproduced from [44], illustrates the heat transfer and daylight through a double-glazing unit considering the outdoor and indoor environments. In general, for assessing the energy performance of windows, the most influential factors affecting the cooling and heating energy consumption of buildings have been found to be the U-value and the g-value [40,[45][46][47] and may be followed by other factors such as visible transmittance and air leakage [42,45,48]. Therefore, exact knowledge of the U-value and the g-value of windows (as the most influential parameters) seems essential.…”

Section: Glazing Systems' Main Propertiesmentioning

confidence: 99%

“…By developing reliable in situ methods that consider real operational conditions, U-values and g-values could be evaluated more accurately, faster, and at a relatively cheap cost in the future [11]. Reproduced from [45].…”

Section: Glazing Systems' Main Propertiesmentioning

confidence: 99%

See 2 more Smart Citations

Comprehensive Review and Analysis of Glazing Systems towards Nearly Zero-Energy Buildings: Energy Performance, Thermal Comfort, Cost-Effectiveness, and Environmental Impact Perspectives

Moghaddam,

Serra,

Gameiro da Silva

et al. 2023

Energies

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The global interest in nearly zero-energy buildings (NZEBs) has led to their establishment as mandatory building objectives in Europe for all new constructions starting in 2021. The principles outlined in the Energy Performance of Building Directive (EPBD) emphasize the significance of reducing energy demand through various energy efficiency measures to achieve NZEB status. Among these measures, the utilization of high-performance glazing systems plays a crucial role in ensuring natural light, ventilation, favorable solar gain, aesthetics, and positive psychological effects in buildings, while maintaining high energy performance and thermal comfort without burdening the budget or harming the environment. The use of increasingly larger glazing areas makes this topic of great relevance. Nevertheless, numerous studies frequently overlook certain crucial aspects of glazing systems in their assessments. This review study aims to assess different glazing solutions based on four critical perspectives called “EThCE”: Energy performance, thermal comfort, cost-effectiveness, and environmental impact, considering their interrelationships. Furthermore, the importance of adopting a comprehensive approach for selecting the optimal glazing solution for NZEBs is discussed. Additionally, the relationship between glazing systems and climate change is taken into account. Ultimately, the authors propose a comprehensive approach, including all the influential factors, to assist designers and homeowners in making informed decisions regarding glazing system selection for new NZEBs or NZEB retrofits in different situations.

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“…Figure 3, reproduced from [45], illustrates the heat transfer and daylight through a double-glazing unit considering the outdoor and indoor environments.…”

Section: Glazing Systems' Main Propertiesmentioning

confidence: 99%

Section: Glazing Systems' Main Propertiesmentioning

confidence: 99%

See 1 more Smart Citation

Comprehensive Review and Analysis of Glazing Systems towards Nearly Zero-Energy Buildings: Energy Performance, Thermal Comfort, Cost-Effectiveness, and Environmental Impact Perspectives

Moghaddam,

Serra,

Gameiro da Silva

et al. 2023

Energies

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“…Therefore, the results demonstrate the potential of using silica-aerogel-fibre-based thermal renders compared to benchmark solutions in several situations. However, the potential of aerogel innovative materials may be further regarded as energy-saving when additionally incorporated into other elements of building envelopes, for instance, glass units for windows [75,76] or glass bricks [77]. In the case of windows, they may be responsible for 30% to 50% of heat loss and gain in buildings [78], thus affecting energy consumption.…”

Section: Hddmentioning

confidence: 99%

Application of Silica-Aerogel-Fibre-Based Thermal Renders for Retrofits in Building Walls: A Comparative Assessment with Benchmark Solutions

Pedroso,

Silvestre,

Gomes

et al. 2023

Gels

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The current climate change context raises the demand for reducing energy and environmental impacts while keeping an economic balance and building users’ comfort. Thermal insulation solutions are potential allies in ensuring the adequacy of existing buildings for challenging sustainability requirements. In this scenario, silica-aerogel-fibre-based thermal renders are innovative solutions for which integrated approaches still lack information, and they should be compared with benchmark multilayer solutions, such as those based on expanded polystyrene (EPS), extruded polystyrene (XPS), mineral wool (MW), and insulated corkboard (ICB), to evidence their prospective economic, environmental, and energy benefits. This paper quantifies the optimum insulation thicknesses, life cycle savings, payback periods, and environmental impacts of innovative thermal renders compared to conventional thermal insulation materials when applied as a retrofit in existing facade walls. The results show that cost-optimised thermal renders with sisal fibres led to the best overall performance. Higher heating needs led to higher optimum render thicknesses and life cycle savings. With a 0.02 m thickness, aerogel-fibre-based thermal renders outperformed other materials in terms of heating-degree days (HDD) from 1000 °C·day onwards; they can save approximately EUR 60∙m−2, 1000 MJ∙m−2, and 100 kg CO2 eq∙m−2 while presenting a U-value 13% lower throughout their 30-year lifetime when compared with the second-best multilayer solution with XPS.

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“…Investigations on electro thermal coatings to convert electricity to heat by the Joule effect are ongoing but limited by the need of power supply, while photo thermal coatings were investigated to improve the glazing performance by absorbing ultraviolet radiation (UV) and infrared radiation (IR). Figure 4 shows the mechanisms of heat transfer and daylight through a double-glazing unit (Mohammad & Ghosh, 2023).…”

Section: Introductionmentioning

confidence: 99%

Contribution of advanced windows and façades to buildings decarbonization: A comprehensive review

Ismail,

Lino,

Henríquez

et al. 2024

EUR J SUSTAIN DEV RES

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On a global level the building sector consumes about 45.00% of energy consumption, contributes about 40.00% to emission, uses 30.00% of water and impacts the environment by generating 30.00% of waste. Although windows are important components of a building that provide natural lighting and ventilation and establish necessary contact with the external environment necessary for healthy indoor ambient, they permit entry of undesirable solar heat in summer and allow escaping heat from the indoor ambient in cold seasons, which aggravate the building needs for energy and increase its contribution to atmospheric emissions. The present investigation provides a review on research, development, and applications of advanced windows in the building sector. The introduction highlights the importance and contribution of advanced glazing technology to improving energy, comfort, and thermal performance of buildings. The review includes natural illumination and ventilation, thermal comfort and discusses the effects of window to wall ratio on natural illumination and ventilation of windows and façades. The review also covers recent developments in glazed windows and façades including performance enhancements by using reflective solar films, vacuum glazing, windows with filling materials, windows with water flow, window with phase change material, window with stagnant inert gas filling, ventilated windows and façades and windows with aerogel. A special section was also included on smart glazing for windows and façades showing the new tendencies and applications in the building industry. Since commercial programs and open access codes are handy tools for simulation and performance calculations a section is dedicated to these codes. The conclusion section contains the most relevant conclusion of the review as well as future trends in research and developments in the area. The topics included in this review can be helpful for experienced and young researchers, practicing engineers and general readers interested in windows and façades.

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Exploring energy consumption for less energy-hungry building in UK using advanced aerogel window

Cited by 29 publications

References 43 publications

Comprehensive Review and Analysis of Glazing Systems towards Nearly Zero-Energy Buildings: Energy Performance, Thermal Comfort, Cost-Effectiveness, and Environmental Impact Perspectives

Comprehensive Review and Analysis of Glazing Systems towards Nearly Zero-Energy Buildings: Energy Performance, Thermal Comfort, Cost-Effectiveness, and Environmental Impact Perspectives

Application of Silica-Aerogel-Fibre-Based Thermal Renders for Retrofits in Building Walls: A Comparative Assessment with Benchmark Solutions

Contribution of advanced windows and façades to buildings decarbonization: A comprehensive review

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