Performance analysis of light shelves in providing visual and thermal comfort and energy savings in residential buildings

Ebrahimi‐Moghadam, Amir; Ildarabadi, Paria; Aliakbari, Karim; Arabkoohsar, Ahmad; Fadaee, Faramarz

doi:10.1007/s40430-020-02565-2

Cited by 25 publications

(7 citation statements)

References 35 publications

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“…Additionally, the accuracy of its energy analysis requires further evaluation Chou and Ngo ( 2016 ) Energy saving decision-support system Iran 2020 Residential buildings Light shelves The study presents a conceptual design that utilizes light shelves to reduce a building’s total electrical load demand by 5–10% in various scenarios, resulting in energy savings. Nonetheless, the practical application of this design in architectural housing requires further investigation and analysis Ebrahimi-Moghadam et al ( 2020 ) Iran 2017 Residential buildings Green roof Passive energy saving techniques like green roofs, roof ponds, wind catchers, and underground houses have reduced building energy loss. However, their application is limited by certain factors.…”

Section: Energy Saving In Buildingsmentioning

confidence: 99%

“…Passive strategies, such as light shelves, green roofs, roof ponds, wind catchers, and underground houses, can also reduce energy losses in building maintenance structures. Still, engineering limitations exist, such as the ineffectiveness of underground houses built one meter underground in saving energy in buildings (Ebrahimi-Moghadam et al 2020 ; Goudarzi and Mostafaeipour 2017 ).…”

Section: Energy Saving In Buildingsmentioning

confidence: 99%

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Strategies to save energy in the context of the energy crisis: a review

et al. 2023

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New technologies, systems, societal organization and policies for energy saving are urgently needed in the context of accelerated climate change, the Ukraine conflict and the past coronavirus disease 2019 pandemic. For instance, concerns about market and policy responses that could lead to new lock-ins, such as investing in liquefied natural gas infrastructure and using all available fossil fuels to compensate for Russian gas supply cuts, may hinder decarbonization efforts. Here we review energy-saving solutions with a focus on the actual energy crisis, green alternatives to fossil fuel heating, energy saving in buildings and transportation, artificial intelligence for sustainable energy, and implications for the environment and society. Green alternatives include biomass boilers and stoves, hybrid heat pumps, geothermal heating, solar thermal systems, solar photovoltaics systems into electric boilers, compressed natural gas and hydrogen. We also detail case studies in Germany which is planning a 100% renewable energy switch by 2050 and developing the storage of compressed air in China, with emphasis on technical and economic aspects. The global energy consumption in 2020 was 30.01% for the industry, 26.18% for transport, and 22.08% for residential sectors. 10–40% of energy consumption can be reduced using renewable energy sources, passive design strategies, smart grid analytics, energy-efficient building systems, and intelligent energy monitoring. Electric vehicles offer the highest cost-per-kilometer reduction of 75% and the lowest energy loss of 33%, yet battery-related issues, cost, and weight are challenging. 5–30% of energy can be saved using automated and networked vehicles. Artificial intelligence shows a huge potential in energy saving by improving weather forecasting and machine maintenance and enabling connectivity across homes, workplaces, and transportation. For instance, 18.97–42.60% of energy consumption can be reduced in buildings through deep neural networking. In the electricity sector, artificial intelligence can automate power generation, distribution, and transmission operations, balance the grid without human intervention, enable lightning-speed trading and arbitrage decisions at scale, and eliminate the need for manual adjustments by end-users.

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Section: Energy Saving In Buildingsmentioning

confidence: 99%

Section: Energy Saving In Buildingsmentioning

confidence: 99%

Strategies to save energy in the context of the energy crisis: a review

et al. 2023

View full text Add to dashboard Cite

show abstract

“…In 2020, Ebrahimi-Moghadam et al investigated the performance of light shelves to save energy in residential buildings in Mashhad, Iran. The results showed that the use of optimal light shelves causes an average annual improvement of 18%, 11%, and 7% in the heating, cooling, and electricity demand of the building [16].…”

Section: Introductionmentioning

confidence: 99%

Application of PCM in a Zero-Energy Building and Using a CCHP System Based on Geothermal Energy in Canada and the UAE

Assareh,

Keykhah,

Hoseinzadeh

et al. 2024

Buildings

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In this research, the optimization of energy consumption of zero-energy buildings using PCMs in the two study cities of Vancouver and Dubai and its energy supply with a multi-generation geothermal system is discussed. PCMs used in the walls and roofs of designed buildings are of two types, namely PCM (solid) and PCM (liquid). By optimizing the energy consumption of the residential complex in two study cities, it is finally possible to choose the best mode in optimal conditions to reduce energy consumption in the residential complex, reduce the costs of the residential complex, and reduce the environmental pollution. The results showed that the amount of electricity consumption, heating, and cooling of the residential complex during the year in the city of Vancouver is 8493.55, 7899.1, and 1083.97 kWh, respectively, and in the city of Dubai, the values are 9572.1, 8.99, and 18,845.44 kW, respectively. Also, by optimizing the energy consumption of residential complexes in Vancouver and Dubai, it is possible to reduce CO2 emissions by 2129.7 and 2773.2 kg/year, respectively. The electricity consumption of the residential complex in Dubai is 11.26% and the carbon dioxide emission is 23.20% more. In the end, a multi-generation system is proposed to meet the energy consumption of a six-unit zero-energy residential complex with 120 m2 and two bedrooms in Vancouver, Canada. By setting up the study system in the city of Vancouver, 237,364.6 kWh of electricity, 425,959.4 kWh of heating, and 304,732.8 kWh of electricity can be produced in one year. According to the investigation, the geothermal system can easily provide the energy consumption required by residential buildings.

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“…On the contrary, discomfort is a situation of imbalance between man and his environment that leads to stress and suffering [1]. In the dwelling, comfort has several types: respiratory comfort, visual comfort, acoustic comfort and thermal comfort [2].…”

Section: Introductionmentioning

confidence: 99%

Does the shared vision of social identities influence the quality of civil construction by reinforcing the type of thermal insulation, and by creating or improving thermal comfort?

Ziad

Benoudjafer²,

Benoudjafer³

2023

TSSJ

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The building sector in Algeria is one of the most energy intensive sectors due to the lack of culture of thermal insulation among the occupants and the lack of awareness in the use of this technique to obtain better thermal comfort in the long term and reduce energy bills. This article aims to study the influence of the shared vision of social identities on the quality of existing civil constructions by reinforcing the type of thermal insulation to achieve better thermal comfort for individuals regardless of the conditions climatic. To do this, we first presented a general description of the current context of construction and the available materials used in the city of Bechar. Then a general analysis on the different techniques induced in the construction of the envelope (exterior walls and roofs) in order to select the best technique that adapts to the climate of Bechar (hot and arid) and strengthening it to improve the thermal comfort of residential homes with lower energy consumption.

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Performance analysis of light shelves in providing visual and thermal comfort and energy savings in residential buildings

Cited by 25 publications

References 35 publications

Strategies to save energy in the context of the energy crisis: a review

Strategies to save energy in the context of the energy crisis: a review

Application of PCM in a Zero-Energy Building and Using a CCHP System Based on Geothermal Energy in Canada and the UAE

Does the shared vision of social identities influence the quality of civil construction by reinforcing the type of thermal insulation, and by creating or improving thermal comfort?

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