Showing papers in "Solar Energy in 2018"

TL;DR: This paper presents a preliminary study on how to review solar irradiance and photovoltaic power forecasting using text mining, which serves as the first part of a forthcoming series of text mining applications in solar forecasting.

TL;DR: In this paper, the authors provided estimates of photovoltaic (PV) panel optimal tilt angles for all countries worldwide and estimated the incident solar radiation normal to either tracked or optimally tilted panels relative to horizontal panels globally.

TL;DR: In this paper, the progress made by two new reanalyses in the estimation of surface irradiance: ERA5, the new global reanalysis from the ECMWF, and COSMO-REA6, the regional reanalysis for Europe, were evaluated with 41 BSRN stations worldwide, 294 stations in Europe, and two satellite-derived products (NSRDB and SARAH).

TL;DR: An improved PSO variant, with enhanced leader, named as enhanced leader PSO (ELPSO) is used and results confirm that in most of the cases, ELPSO outperforms conventional PSO and a couple of other state of the art optimisation algorithms.

TL;DR: In this paper, five different photovoltaic array configuration schemes: Series, Series-Parallel, Total-Cross-Tied, Bridged-Linked, and Honey-Comb, are carried out using 6'×'6'

TL;DR: Empirical results suggest that LSTM outperforms a large number of alternative methods with substantial margin and an average forecast skill of 52.2% over the persistence model, suggesting that the technique is a promising technique, which deserves a place in forecasters’ toolbox.

TL;DR: In this article, a review of innovative concepts of integrating phase change materials (PCM) in flat plate (water/air), evacuated tube, and photovoltaic/thermal solar collectors is presented.

TL;DR: The proposed Firefly algorithm is applied for parameter estimation of single and double diode solar cell models and the results show that the proposed algorithm is a competitive algorithm to be considered in the modeling of solar cell systems.

TL;DR: In this article, the energy procurement problem for a large electricity consumer is solved under various resources and the results of information gap decision theory are presented in three different strategies for the large consumer.

TL;DR: In this paper, the electrical, thermal and exergy efficiencies of a photovoltaic/ thermal (PV/T) system cooled by Ag/water nanofluid were investigated.

TL;DR: In this paper, the impact of dust accumulation on PV performance in Tehran, Iran, a 70-day experiment, started on May 9th, 2017, was developed, and the results indicated that after 70 days without raining, 6.0986 (g/m2) dust was accumulated on the surface, which caused 21.47% reduction in the power output.

TL;DR: In this paper, a systematic review was conducted of studies that quantified and reported on the relationship between vegetation-related characteristics and their effect on human thermal comfort, air and surface temperatures.

TL;DR: In this paper, the progress and achievements of self-cleaning methods for photovoltaic panels with a special focus on super hydrophobic coating based methods are reviewed. And future focus research areas such as development of mini robots and spray coating have been pointed out.

TL;DR: In this paper, a mask-free method for measuring the albedo of limited-extent diffuse targets without the aid of known-albedo masks for calibration is proposed.

TL;DR: In this paper, a comprehensive outlook about the role of nanofluids in many fields especially in solar energy desalination technologies is presented, where the authors highlight the benefits of using nanoparticles from the angle of their positive effects on the solar stills (direct solar distillation) thermal performances improvement with acceptable consequences.

TL;DR: An effective hybrid method named DE/WOA by combining the exploration of DE with the exploitation of WOA is proposed for extracting the accurate parameters of PV models and is highly competitive with some recently-proposed parameter extraction methods.

TL;DR: In this paper, the performance of coupling parabolic trough collector (PTC) with double slope solar still is investigated experimentally, and the results illustrate that the solar still with PTC has higher sill temperature and productivity compared with conventional solar still.

TL;DR: In this article, a reverse osmosis desalination-based diesel and photovoltaic power plant for increasing fresh water availability and meeting the electrical load demand of a stand-alone region in Iran was investigated.

TL;DR: In this paper, a numerical comparative analysis between green roofs and cool roofs in a tropical climate like Singapore's was done by means of dynamic simulations in EnergyPlus software, taking into account climatological, thermal, optical and hydrological variables.

TL;DR: In this paper, a three-dimensional numerical analysis of PVT systems using water and MWCNT-water nanofluid has been completed with FEM based software COMSOL Multiphysics®.

TL;DR: In this article, a Photovoltaic/Thermal (PV/T) system was proposed, built and tested, and three various types of cooling were proposed: tank filled with water and water flows through the cooling pipes, tank with PCM/nanoSiC and nanofluid (water-SiC) flows through cooling pipes; the results indicate that the output of the network is in good agreement with the experimental results and published works.

TL;DR: In this paper, the thermal performance of phase change materials (PCM)-enhanced cellulose insulation in residential walls was evaluated using differential scanning calorimeter (DSC) tests and showed that cellulose would not affect the latent heat of fusion of the PCM in the mixture in a significant manner.

TL;DR: This research article aims to model, simulate and assess the performance of different 5 × 5 PV array topologies under various shading patterns to extract the maximum power by mitigating the mismatching power losses.

TL;DR: In this article, the structural, functional, optical, morphological and chemical compositions of Ni-ZnS nanoparticles were characterized by XRD, FT-IR, UV-Vis, PL, SEM with EDX and TEM analyses.

TL;DR: In this paper, the authors developed a more efficient, robust MPPT algorithm based on the integration between the fractional-order control and Incremental Conductance (INC) method.

TL;DR: A review of the recent literature on photovoltaic/thermal PV/T technology and application that is carried out by various researchers and scientists is presented in this paper, where various types of PV-T collectors such as air, water/air and water PV/Ts collectors are described in terms of performance, design, fabrication, simulation and experimental evaluation.

TL;DR: In this article, the performance of flat plate solar collector when conventional working fluid, water is replaced by nanofluids was investigated under varying concentration from 0.25% to 2.0% and varying flow rate.

TL;DR: In this paper, a dual-layer structure consisting of a polytetrafluoroethylene (PTFE) sheet on top of a silver film was used to demonstrate a diffusive solar reflector with record high reflectance when integrated over the wavelength region from 0.28 to 4.0

TL;DR: In this paper, thioglycerol capped undoped and noble metal (Ag and Au) doped sub-10"nm sized CeO2 nanoparticles (NPs) have been successfully synthesized at natural pH by co-precipitation method and were used as photocatalyst for degradation of rhodamine blue dye (RhB) in an aqueous medium under UV-Visible (UV-Vis.) irradiations without the addition of any external reagent.

TL;DR: In this paper, the potential benefit of adopting the supercritical carbon dioxide (sCO2) Brayton cycle at 600-650°C compared to the current state-of-the-art power tower operating a steam-Rankine cycle with solar salt at approximately 574°C was examined.