To give a credibility to our numerical results, we validated the solar radiation model used in our simulation with the experimental results found by the test bench realised in unit of research applied for renewable energy situated in Ghardaia South of Algeria, with location coordinate: longitude = 32.4°, latitude = 3.81°, and altitude = 450 m (see Fig. 2).
The STER unit utilises a 100 W solar panel. The experimental result of double module with internal fan shows that the STER unit reduces room temperature of 33 °C to 4.1 °C in 44 min with coefficient of performance (COP) of 0.61. Therefore, the present novel refrigeration system is augmented for domestic and medicine storage purpose in remote area with …
The results showed that for low solar irradiance levels and low ambient temperatures, such as those associated with the UK climate, a higher coverage of total household energy demands and higher ...
This paper presents the results of an experimental investigation on an indirect active type of solar dryer, using two distinct solar air collector and their impacts on drying agricultural products. The thermal performance of the proposed collectors has been evaluated using the first and second laws of thermodynamics. Experimental observations were done in …
They finally presented a correlation to predict the experimental results. Yahya et al. [22] analyzed energy and exergy of a hybrid solar-biomass drying system which is consist of a fluidized bed, a solar collector, and a biomass furnace. They obtained the specific energy consumption (SEC), the fractions of solar, biomass, thermal and exergy efficiencies. …
2 19 Key words: solar still, DOE, factorial design, thickness, productivity, 20 water depth, insulation. 21 22 Abstract: 23 Mathematical model for different configurations of active solar still has been 24 analyzed. Theoretical analysis of energy balance for the active solar still components 25 has been developed. A statistical manner for examination, evaluation, and …
Climate change is a global issue that requires collective action to address. One of the most pressing concerns is reducing emissions resulting from combustion processes. The use of renewable energy sources and green …
Materials and Methodology 2.1 Experimental analysis of a solar still The photograph of the experimental single slope single basin type solar still sectional view is presented in Fig 1. The solar still made of outer and inner enclosure consist of plywood with dimension of 1.3 x 1.3 m and 1.25 x 1.25m. The gap between the enclosures is filled with glass …
The generated vapor condenses on a slope glass cover and is collected as distillate water. Experimental results showed that the solar still could produce 0.15 l of distilled water/hr. An analysis of the results showed that the solar still cumulative output distillate water was enhanced. Water vapor condenses by cooling the inclined glass cover ...
In the paper, analysis and a comparative study of exergetic performance has been made for amorphous silicon and cadmium telluride solar PV array in Oued N''echou at Ghardaia, Algeria (32°36′2. ...
An experimental set-up monitored solar radiation, water inlet and outlet temperature, ambient temperature, wind speed, and temperatures of main components as glass cover, absorber plate and PCM. Heat transfer rates losses, internal PCM behavior as liquid fraction of PCM and accumulated energy were estimated and discussed using a mathematical …
Solar PV cells employ solar energy, an endless and unrestricted renewable energy source, to generate electricity directly. The optimum output, energy conversion …
The conversion of solar energy into thermal energy using a solar water heating system seems to be a viable technology. Nanofluids are a well-established method of increasing the solar water heater''s heat output. Solar thermal collector receiver tube heat transfer enhancers and geometrical characteristics have been analyzed for their impact on energy and …
4 THE EXPERIMENTAL STUDY AND RESULTS. The system was established in Elazig province, and the experiment was carried out under the conditions of this city. The solar energy potential, insolation time, and …
energy efficiency, but also result in environmental pollution and high costs associated with initial investment and maintenance. Solar energy as a rich source for providing heating energy has no geographical dependencies and no pollution; hence, it has been given more attention in past decades by various researches [1–3]. Many experts and scholars around the world have done …
Theoretical solar energy obtained from SSI was CLOT-adjusted and incorporated with dust and temperature effects to determine the maximum solar energy resource potential within the study area ...
This paper presents a thermodynamic and sustainability analysis for an experimentally developed solar water heater-with water treatment. The parabolic trough collector (PTC) is employed to capture thermal energy from the sun, which is subsequently utilized to increase the temperature of water. "Experimental and numerical" investigations are divided …
Experimental energy analysis results. The ACs have been set at 18 °C to operate at maximum cooling power at the setting. They were expected to enter the regime. The regime of the system is important for the accuracy of the measurements to be made. Based on the findings we obtained before the experiment started, it was seen that it would take 15 min …
The easiest way to utilize solar energy for heating applications is to convert it into thermal energy by using solar collectors. The performance of solar collectors can be examined from the standpoint of exergy, which is a useful method to complement, not to replace the energy analysis. The amount of useful energy (exer-gy) delivered by solar collectors is found to be …
The results showed that solar energy can be stored in the form of liquid fuel, gas and biochar, and the calorific value is 38–53% higher than that of the raw material. Pozzobom et al. [30] used artificial sunlight flux of more than 1 MW/m 2 to irradiate beech wood, which can convert 24–41% of the incident solar energy into chemical energy. Although solar-driven …
: In this study, the electrical and thermodynamic performance of a flat-plate liquid PV/T system was investigated, and the experimental results were verified with a numerical model implemented. The simulation analyses showed that the increasing inlet and ambient temperature had a negative effect on thermal efficiency and the highest thermal efficiency was obtained at …
In this work, the cross-linear system, a recently developed concentrated solar power technology, is investigated for process heat application to mitigate the drawback of cosine loss at higher latitudes in current concentrated solar power technologies. The mathematical model for energy and exergy analysis has been developed and validated using computational …
2 SOLAR ENERGY. Solar energy is the radiation energy that is exposed with fusion reactions in the Sun''s core. During the core reactions in the Sun, hydrogen is converted into helium, during which some energy is …
energy. The use of solar power has taken focus due to its abundance around the world and its ability to generate energy with limited impact to the environment [1–3]. A photovoltaic system uses solar panels to convert solar radiation into elec-trical energy. The simulation results [4] show that maximum power point tracking
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