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Weather forecast is predicted using numerical weather prediction model. This weather prediction model helps solar power plant predicting the amount of energy they will produce and have to produce to cover the low production during bad weather conditions. Weather forecast of solar radiation has become a essential component for solar power plant production. In this Research, Global Radiation of 30 weather stations was observed on hourly basis to produce probabilistic forecasts of global radiation.It is very essential to have a accurate weather forecast. Different post processing methods were compared which included both parametric and non parametric method. The criteria which plays a major role in these processing methods is lead time, station Location and season. The Results of the experiments and the observations were compared to different research papers and they looked for any similarities and differences. And on comparison it was found neutral networks were the least efficient method. The comparison of regression methods lead to production of probabilistic forecasts of global radiation with raw forecast. Tree based method had an advantage where as stepwise based method was limited. The Performance of the methods used depends on the time of day, forecast lead time, the geographical location, season and the weather conditions. It was found that tree-based method results were better than stepwise method and was found more reliable.
Energy production using solar radiation has various challanges and producing electricity from those radiation to full conversion efficiency is the biggest challange. The fluid used for heat transfer of for Electricity production has its own limitations. The Fluids used were both organic and inorganic materials. It was found that inorganic materials proved to have better efficiency than organic fluids because inorganic materials temperature can be controlled but it’s not the same for organic fluids. When the solar Radiations fall in the wall of solar panels containing heat transfer fluids, the particles gets heated up and tend to start moving and as these particles move the they run a turbine causing Electricity generation. Efficiency of a solar reciver can be increased by using upward flowing dense particle suspension system as they use low gas velocity, an array of vertical tubes. In this paper olivine particles were used as they have good thermophsical properties and thermal resitance. On Experimentation it was found that this material heat transfer between fluidsied suspension and absorber wall was increased. And to achieve a better efficiency Along with the fluid fin geometry has to taken into consideration.
Stibnite was found as lieght harvessting material for Solar cell app. , As it has high light adsorption coefficient, very good combination of air and moisture stabilization. The low band gap helps stibnite having high power conversion efficiency. In this paper, compostion depending photovoltaic properties of stibnite solar cells. Stibnite thin flims were deposited on titanium dioxide layered glass by thermal evaporation under great suction pressure. The structurel analysis shows that SO2 can be assimilate into crystal latticee after annealing and this is how stibnite is obtained.Therefore, SO2-rich Stibnite film based device shows high carrier conceñtration, reduced recombination probability when compared with pristine and antimony rich stibnite based devices.
Conc. solar power uses highly conc. optic to supply heat at temp. outpace 2000 C° , allowing to drive high temp industrial processess. Higher temp demand for new salt formulations, each bringíng new challenges as the corrosion mechanisms differ among candidate salts. Even liquid glass has properties like high temp resitance and rapport with other materials. The Test performed in this paper, Glass power was easy to melt to reach and maintain temp outpace 1000 °C. Where it was not possible with clear glass, it needed a pre-heating of the crucible therefore limiting the maximum temp. Exp validation of the heat transfer model was adept by comparing its numerical output to the exp measurements.After the experimentation it was found that glass was properly melted nottwithstanding the law that heat provided was only 20% absorbed from the total exposed metal surface. The liquid from the clear glas was more transparent thus causing overheating and melting of the crucible. The results show that Liquid glass act as a good volumetric absòrber of solar radiation.The thermal characteristic of glass depends on the color due to the impact of transition ions in determining the material absorption spectrum.
Concentration of the solar radiation results in production of high temp heat l, which leads to electricíty generation. And to attain this wings attached to solar panel are controlled by computers and they move according to the sun’s movement thus gathering the most of the solar energy. Once the solar energy is accumulated it generates heat because of which heat transfer fluid gets heated up. The heated up fluid then runs the turbine. It was found that Na(sodium) has hígh temp range and high efficiency conversion system along with low meltíng point which leaves less trace heaiting on comparison with other salts. The amount of heat accumulated depends on the movement of wings along with the sun’s movement. The Panel where heat get’s concentrated must be big enough so that there’s no leakage of the accumulated heat and the dístance btw wings and pannel must had a layout so that there’s no heat loss during transmission of radiation to the accumulator. And it must be ensured that there’s no obstacles between. The Layout of the panel is tend to change according to the Location.
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