In the present study, an experimental and mathematical analysis was performed in a novel nanofluid-based collective cooling consisting of inner-plate heat fins order to explore photovoltaic-thermal (PV/T) system efficiency for Al2O3, TiO2, CuO-based nanofluids. The electrical increase, temperature decrease panel surface, thermal transfer performance Al2O3-water, TiO2-water CuO-water nanofluids which were prepared three different ratios (0.2%, 0.4%, 0.6%, mass) constant fluid flow rates...

In this study, the estimation performances of Multiple Linear Regression, Random Forest, and Artificial Neural Network are examined comparatively. For comparison these data mining techniques, power production from a Photovoltaic Module was used in research. model constituted seven variables. One variables is dependent (power) others independent (global radiation, temperature, wind speed, direction, relative humidity, solar elevation angle). paper, Mean Absolute Error correlation coefficient...

In order to increase module efficiency in photovoltaic systems, research on passive fin cooling or active fluid applications continues. It was thought that a collective cooling, which is combination of both applications, could be more effective the increasing electrical and so total PV/T system by thermal gain. this study, effects amounts nanoparticles performance Al2O3 nanofluid newly designed, manufactured named with internal direct fins were investigated detail. Nanofluid coolants...

Shading in photovoltaic systems is known to cause serious energy losses. However, predicting how much shading living spaces will experience throughout the year and resulting loss not easy. In this study, effects of near on system efficiency have been investigated with PVsyst software. Instead standard elements, a mosque complex architecture was chosen test drawing capabilities A 20 kWp PV power plant assumed be installed three different locations courtyard mosque. Scenario-1, 2, 3, modules...

Steady, continuous, and homogeneous cooling of photovoltaic panels that consume less energy for circulation coolant is extremely important preventing higher loses especially in hotter conditions. In this study, a novel steady continuous active application with water, as the coolant, was applied compact photovoltaic/thermal hybrid system order to find out effects mass flow rate optimize required amount maximizing electrical efficiency by measuring real load voltage current values formed on...

The power production from a photovoltaic module depends on environmental factors such as radiation, air temperature, wind speed and direction relative humidity. This study aimed to predict some atmospheric indicators which may affect upon the single axis (East-West) tracking PV by using Artificial Neural Network architecture. novelty side of this research is use system first in literature effective production. Besides, unlike previous study, many were used estimate In performance measured...

The classification tree is commonly used in data mining for investigating interaction among predictors, particularly. splitting rule and the decision trees technique employ algorithms that are largely based on statistical probability methods. Splitting procedure most important phase of training. aim this study to compare Gini Twoing rules terms misclassification cost, obtained optimal balanced importance independent variables. This shows results using criterion, as it yields a much more...

In this study, three different ceramic nanoparticles of TiO <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</inf> were turned into nanofluids in certain weight ratios 0.2%, 0.4% and 0.6%. The obtained used for cooling PV panels a collective PV/T hybrid system which the surface area was enlarged by inner plate fins. effect consisting aluminum fin water amounts on investigated order to reduce rising temperature cells with solar radiation...

The OSI model, developed by ISO in 1984, attempts to summarize complicated network cases on layers. Moreover, troubles are expressed taking the model into account. However, there has been no standardization for up now. Network have only name of related layer. In this paper, it is pointed out that possible layer vary and each categorized functional administration they standardized an eligible way. proposed trouble shooting was considering model.

Hücre üretim teknolojilerindeki iyileştirmelere rağmen, modüllerin enerji dönüştürme oranlarının hâlâ istenen düzeyde olmaması fotovoltaik sistemlerin en önemli olumsuzluklarından biridir. Bu amaçla bir sistemden daha yüksek eldesi için güneş takip sistemleri kullanılmaktadır. Literatürde bu alanda yapılmış birçok çalışma olmasına çalışmaların büyük kısmında genellikle sisteminin yazılım ve devre kısmına odaklanılmakta veya oluşturulan küçük boyutlu prototipler üzerinde gerçekleştirilen kısa...

Photovoltaic technology is one of the most effective and cleanest methods obtaining energy from sun. The efficiency modules that basic components photovoltaic systems, very sensitive to environmental variables. air temperature electric current passing through panels cause heat up. Temperature negatively affects panels. In panel must be determined in order know rate losses, which many types losses. this study, an artificial neural network model was developed determines a single axis tracking...