Thermal and optical investigations of various transparent wall configurations and building integrated photovoltaic for energy savings in buildings

Marei, Youssef A.; Emam, Mohamed; Ahmed, Mohamed E.A.E.; Attia, Ahmed A.A.; Abdelrahman, M.A.

doi:10.1016/j.enconman.2023.117817

Cited by 15 publications

References 32 publications

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Exploration of benefits and performances of integration of semitransparent photovoltaics with buildings and infrastructure: A comprehensive review

Gupta

2024

Env Prog and Sustain Energy

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This article discusses how incorporating semitransparent photovoltaic (SPV) modules into buildings can reduce dependency on conventional energy sources, contributing to a shift toward renewable energy and self‐sustaining construction. It explores various ways to implement SPV technology in building and infrastructure design, and outlines the advantages, such as improved daylighting, thermal regulation, and energy efficiency. The analysis also considers how SPV integration affects energy and exergy performance, emphasizing its role in achieving net‐zero energy buildings. Additionally, the article identifies existing research gaps, providing guidance for future studies and practical applications in the building sector.

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Exploration of benefits and performances of integration of semitransparent photovoltaics with buildings and infrastructure: A comprehensive review

Gupta

2024

Env Prog and Sustain Energy

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Carbon emission reduction in public buildings of extreme cold regions: A study on enclosure structure and HVAC system parameter optimization

Teng,

Yin

2024

Energy Science & Engineering

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The implementation of strategies aimed at curtailing energy consumption and carbon emissions in buildings is of paramount importance. Priority should be accorded to the reduction of embodied carbon emissions from construction materials and operational carbon emissions during the usage phase. A public building situated in an extremely cold region is chosen as the subject of this study. An initial investigation is conducted into the impact of various enclosure structure materials on embodied carbon. The impact of different heating, ventilation and air conditioning (HVAC) systems on the total carbon emissions of public buildings are studied as well. The findings indicate that the amalgamation of W3 + R + G4 + H4 culminates in the least total carbon emissions. Upon establishing the foundational scheme for the public building, an optimization (nondominated sorting genetic algorithm II [NSGA II] and Criteria Importance Through Intercrieria Correlation [CRITIC]) of the enclosure structure parameters is initiated to examine the optimal parameters of the public building's enclosure structure. The findings reveal that a decrease in the heat transfer coefficient could trigger an increase in total carbon emissions. This is attributed to the fact that the carbon emissions embodied in the production process of these materials could potentially outweigh the reduction observed in operational carbon emissions. Further adjustments were also made to the parameters of the HVAC system in the buildings. The findings indicate that within the context of public buildings, given the presence of optimal parameters and an HVAC system that utilizes solar energy for both heating and cooling in the American Society of Heating, Refrigerating and Air‐Conditioning Engineers, Inc. 6 A climatic zone, the efficiency of the cooling system can exert a significant influence on the operations carbon emissions reduction.

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Transparent Photovoltaics with Array ZnO/NiO Structure for Energy Harvesting and Human Interface Applications

Lee,

Choi,

Ghosh

et al. 2024

Solar RRL

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In this study, a proof of concept for seamless energy flow is demonstrated by converting light energy into electrical energy and then storing it. A simple heterojunction structure of an FTO/ZnO/NiO/AgNWs/ZnO array transparent photovoltaic (TPV) device is employed to ensure an excellent average visible transmittance value of 67.7% while storing light energy as electrical energy in a capacitor bank. By simple and stable array connection of unit cell devices, the power leakage is minimized while maximizing output voltage. In the array TPV device, an open‐circuit voltage of 1.4 V is achieved under 365 nm illumination, with a voltage of 1.26 V stored in the capacitor bank, accumulating to over 6 V. The stored electrical energy is successfully converted for use by an light‐emitting diode (LED) light source, demonstrating sustained light‐up for over 30 s. This work explores facile energy generation, storage and utilization through TPVs, with a good potential for transparent energy harvesting and human interface applications.

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Thermal and optical investigations of various transparent wall configurations and building integrated photovoltaic for energy savings in buildings

Cited by 15 publications

References 32 publications

Exploration of benefits and performances of integration of semitransparent photovoltaics with buildings and infrastructure: A comprehensive review

Exploration of benefits and performances of integration of semitransparent photovoltaics with buildings and infrastructure: A comprehensive review

Carbon emission reduction in public buildings of extreme cold regions: A study on enclosure structure and HVAC system parameter optimization

Transparent Photovoltaics with Array ZnO/NiO Structure for Energy Harvesting and Human Interface Applications

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