Experimental and numerical investigation on the performance of amorphous silicon photovoltaics window in East China

He, Wei; Zhang, Y.X.; Sun, Wei; Hou, Jingxin; Jiang, Qingyang; Ji, Jie

doi:10.1016/j.buildenv.2010.07.030

Cited by 71 publications

(21 citation statements)

References 11 publications

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“…They defined a new index to evaluate the overall energy performance in Singapore and found that BIPV glazing solutions provide an energy savings rate of between 16.7% and 41.3% compared to common window glazing for large facade openings. He et al [22] compared experimentally and numerically the performance of a-Si PV double and single glazing windows in east China. They found that the double-glazing solution can reduce to 46% the indoor heat gains, improving the indoor thermal comfort level.…”

Section: Introductionmentioning

confidence: 99%

Energy saving potential of semi-transparent photovoltaic elements for building integration

Olivieri

Caamaño‐Martín

Moralejo-Vázquez

et al. 2014

Energy

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Within the building energy saving strategies, BIPV (building integrated photovoltaic systems) present a promising potential based on the close relationship existing between these multifunctional systems and the overall building energy balance. Building integration of STPV (semi-transparent photovoltaic) elements affects deeply the building energy demand since it influences the heating, cooling and lighting loads as well as the local electricity generation. This work analyses over different window-to-wall ratios the overall energy performance of five STPV elements, each element having a specific degree of transparency, in order to assess the energy saving potential compared to a conventional solar control glass compliant with the local technical standard. The prior optical characterization, focused to measure the spectral properties of the elements, was experimentally undertaken. The obtained data were used to perform simulations based on a reference office building using a package of specific software tools (DesignBuilder, EnergyPlus, PVsyst, and COMFEN) to take proper account of the STPV peculiarities. To evaluate the global energy performance of the STPV elements a new Energy Balance Index was formulated. The results show that for intermediate and large facade openings the energy saving potential provided by the STPV solutions ranges between 18% and 59% compared to the reference glass.

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Section: Introductionmentioning

confidence: 99%

Energy saving potential of semi-transparent photovoltaic elements for building integration

Olivieri

Caamaño‐Martín

Moralejo-Vázquez

et al. 2014

Energy

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“…Cuce et al (2013) experimentally analyzed performance characteristics of photovoltaics based on selected parameters from thermodynamics perspectives Cuce et al, 2011). He et al (2011) experimentally investigate a system consisted of amorphous silicon PV cells and double-glazed window for the climatic conditions of Hefei, China. The use of double-glazed window is found to result in decrease in the indoor heat gain.…”

Section: Hpv/t Studies Based On Experimentsmentioning

confidence: 99%

Hybrid Photovoltaic/Thermal (HPV/T) Systems: From Theory to Applications

Cüce¹,

Oztekin²,

Cuce³

2018

Energy Research Journal

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Hybrid photovoltaic/ thermal systems are very promising clean energy harvesting devices where they can be used either standalone system or can be incorporated with other systems. In this study, historical developments leading to current Hybrid Photovoltaic/Thermal (HPV/T) systems as it is used today and global findings to enhance the performance of HPV/T system through state-of-the-art analyses are presented in a thematic way. The findings from initial studies on the HPV/T systems is revealed in an historical way and rest of sections are formed based on selected criteria. The paper covers basic and advanced type collectors, working fluids, analyzing methods to assess performance, thermodynamic approaches, optimization of design parameters and mass flow rates, techniques to enhance performance and comparative studies. Especially, various parametric studies to optimize performance of the HPV/T with respect to selected parameters including different types of absorbers, packing factor, cooling schemes, working fluid types, modifications at different sections of the system are comprehensively investigated. Based on the conclusions, the variation in electrical and thermal efficiencies are mainly in the scope of this study. It is observed from the literature that solar HPV/T system has a great potential to be one of the up and coming clean energy technology.

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“…To consider the energy performance of STPV windows, He et al [15] compared the performance of single-layer PV windows and double-layer PV windows in Hefei, China. Based on the test results, double-layer PV provided better thermal comfort.…”

Section: Introductionmentioning

confidence: 99%

Study on the Energy Saving Potential for Semi-Transparent PV Window in Southwest China

Tian¹,

Zhang²,

Xie³

et al. 2018

Energies

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To study Semi-Transparent photovoltaic (STPV) windows, experiments were conducted to test the energy potential of STPV window installed in buildings. Two identical rooms were built up as experimental units; one was fitted with amorphous silicon (a-silicon) photovoltaic (PV) windows, and another was fitted with a conventional window. The interactional influence was analyzed among air conditioning energy consumption, lighting energy consumption, and energy generation. It can be concluded that STPV windows could provide 0.26 kWh/per day and save 29% on comprehensive building load on a typical sunny day. In order to further investigate, buildings installed with STPV windows in four typical cities with different climate environments in southwest China were simulated and analyzed. The cooling load of the buildings were all decreased while the heating energy consumption and lighting energy consumption were lightly increased. The energy generation of STPV windows was highest in Lhasa at 402.1 kWh/year. The energy saving potential of STPV windows was predicted with good values; 54% in Kunming.

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Experimental and numerical investigation on the performance of amorphous silicon photovoltaics window in East China

Cited by 71 publications

References 11 publications

Energy saving potential of semi-transparent photovoltaic elements for building integration

Energy saving potential of semi-transparent photovoltaic elements for building integration

Hybrid Photovoltaic/Thermal (HPV/T) Systems: From Theory to Applications

Study on the Energy Saving Potential for Semi-Transparent PV Window in Southwest China

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