4 天之前· The global energy crisis necessitates enhancing energy independence for regions and countries by advancing the utilization of renewable energy sources. Solar energy offers a sustainable method for enhancing energy efficiency in buildings through the integration of solar greenhouses or sunspaces. These passive solar systems play a vital role in reducing the
In this study, we aimed to verify the performance of a PVT system, a combined solar/thermal power generation system, through experiments to check the improvements in its solar energy utilization efficiency over that of a conventional PV system. In our literature review, we identified the features, advantages, and disadvantages of air PVT
3 天之前· One such efficient method is through the use of solar thermoelectric generators, which transform thermal energy into electricity, offering a wide range of applications, such as heating water and
3 The perspective of solar energy. Solar energy investments can meet energy targets and environmental protection by reducing carbon emissions while having no detrimental influence on the country''s development [32, 34] countries located in the ''Sunbelt'', there is huge potential for solar energy, where there is a year-round abundance of solar global horizontal
Energy and exergy performances of these three solar utilization systems were all calculated and analyzed. Moreover, two typical evaluation methods, i.e. semi-empirical system efficiency model method and input–output method, were also used for evaluating the performances of these systems.
4 天之前· The global energy crisis necessitates enhancing energy independence for regions and countries by advancing the utilization of renewable energy sources. Solar energy offers a
The interpretative analysis of the prediction model provides a scientific basis for understanding and optimizing solar energy utilization, helping to reveal the variation patterns of solar radiation under different conditions and guiding the optimization of practical applications. The evaluation of photovoltaic power generation
In this study, we aimed to verify the performance of a PVT system, a combined solar/thermal power generation system, through experiments to check the improvements in its solar energy utilization efficiency over that of
Li et al. [19] proposed a thermal design method that utilize solar energy to decide the optimal wall thermal resistance and heat capacity by using the harmonic response method. These design
To eliminate its intermittence feature, thermal energy storage is vital for efficient and stable operation of solar energy utilization systems. It is an effective way of decoupling the energy demand and generation, while plays an important role on smoothing their fluctuations.
To eliminate its intermittence feature, thermal energy storage is vital for efficient and stable operation of solar energy utilization systems. It is an effective way of decoupling the
Based on the analysis, integrating PETS techniques has the potential to improve solar PV efficiency by a range of 1% to 50%, coinciding with a surface temperature decrease of 1.8 °C to 50 °C in PV panels. Strategies that work well include spectrum filtering, radiative cooling, jet impingement, and rendering Perovskite materials. For future research,
3 天之前· One such efficient method is through the use of solar thermoelectric generators, which transform thermal energy into electricity, offering a wide range of applications, such as heating
3 天之前· The use of PVT collectors, which combine photovoltaic and thermal technologies, allows for efficient utilization of solar energy by generating both electricity and heat. The implementation of an absorption chiller, which utilizes waste heat or low-grade heat, further enhances energy efficiency by reducing the reliance on electricity for cooling purposes. In
Attached sunspace as a passive solar energy utilization method has been widely used in rural areas in northern China. However, the attached sunspace cannot meet the residents'' requirements for a comfortable indoor thermal environment. In order to promote building energy efficiency, a method of joint utilization of solar air collector and attached sunspace is
Solar thermal energy utilization in buildings is another historic and important field. High efficiency, low cost, and robust reliability are the objects of continuous pursuit for all solar thermal utilization products. Paper [15] proposed a new flat-plate solar thermal air collector prototype. The novelty of this device is reflected in the
To eliminate its intermittence feature, thermal energy storage is vital for efficient and stable operation of solar energy utilization systems. It is an effective way of decoupling the energy demand and generation, while plays an important role on smoothing their fluctuations. In this chapter, various types of thermal energy storage
Status and trend analysis of solar energy utilization technology. T Q Sun, D L Cheng, L Xu and B L Qian. Published under licence by IOP Publishing Ltd IOP Conference Series: Earth and Environmental Science, Volume 354, 2019 International Conference on New Energy and Future Energy System 21–24 July 2019, Macao, China Citation T Q Sun et al
The photovoltaic solar thermal integrated system mainly uses solar energy as the main energy source, and the secondary energy source is the large power grid. The consumption of secondary energy is
3 天之前· The use of PVT collectors, which combine photovoltaic and thermal technologies, allows for efficient utilization of solar energy by generating both electricity and heat. The
Based on the analysis, integrating PETS techniques has the potential to improve solar PV efficiency by a range of 1% to 50%, coinciding with a surface temperature
Solar thermal conversion technology employing phase change composites is an available strategy for solar thermal energy utilization and storage. In this work, a novel metal-organic framework (MOF)-based phase change composites were successfully constructed through vacuum impregnation method. The stearic acid (SA) was served as phase change
To eliminate its intermittence feature, thermal energy storage is vital for efficient and stable operation of solar energy utilization systems. It is an effective way of decoupling the energy
To address the issue, different technologies and methods were proposed to improve solar energy utilization, such as water storage tanks (Zhang et al., 2021), molten salt heat storage (Keshavarzzadeh and Ahmadi, 2019), batteries (Zhou et al., 2020) and compressed air energy storage (Zhang et al., 2019). However, the addition of large energy
This system can be integrated into the process of renewable energy (mainly solar energy) conversion and complementary utilization at multiple scales, effectively reducing the consumption of fossil fuels, reducing the emission of pollutants such as CO 2, realizing the conversion of solar thermal energy to the chemical energy of liquid fuels through syngas
Energy and exergy performances of these three solar utilization systems were all calculated and analyzed. Moreover, two typical evaluation methods, i.e. semi-empirical
The interpretative analysis of the prediction model provides a scientific basis for understanding and optimizing solar energy utilization, helping to reveal the variation patterns
PDF | On Oct 1, 2021, Jiapu Yuan and others published Application of solar energy heat utilization in oilfield heating system | Find, read and cite all the research you need on ResearchGate
Solar thermal conversion technology employing phase change composites is an available strategy for solar thermal energy utilization and storage. In this work, a novel metal-organic framework (MOF)-based phase change composites were successfully constructed through vacuum impregnation method.
The interpretative analysis of the prediction model provides a scientific basis for understanding and optimizing solar energy utilization, helping to reveal the variation patterns of solar radiation under different conditions and guiding the optimization of practical applications.
Exergy analysis of energy conversion mechanisms can help find out the point of optimization of the electrical and thermal efficiency for solar utilization systems , and it is also a good supplement to energy analysis methods for evaluating the performance of solar energy utilization systems.
The cost of thermal energy storage system can be reduced and the system performance can be improved. One of the active direct systems is the two-tank direct storage system, which consists of a hot and a cold storage tank, as shown in Figure 7 (a).
For some period of a year, solar thermal production exceeds the demand for heating or cooling, while in other periods the production is less than the demand. Seasonal thermal energy storage would be a solution to store heat at the time that is not needed and use is for the time that is required.
After accounting for obstructions, the annual solar radiation received amounts to 64.66 TWh, with an average annual solar irradiation of 1172.66 kWh/ (m 2 ·a). This makes them a priority for utilization. The solar radiation utilization efficiency of the south facade is second only to the roof and also deserves attention.
The implementation of solar radiation analysis by LBT relies on Radiance, a highly specialized software package for ray tracing and illumination simulation, extensively used in the fields of architecture and urban planning for lighting analysis and visualization.
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