TL;DR: In this paper, the authors present the results of a study on the effect of dust accumulation on the power output of solar PV modules in the Eastern province of Saudi Arabia, which indicates that power decrease by as much as 50% can be experienced for solar PV module that are left unclean for a period of over six months.
TL;DR: In this article, the authors developed an effective method for processing raw SCADA data, and proposed an alternative condition monitoring technique based on investigating the correlations among relevant SCADA and realized the quantitative assessment of the health condition of a turbine under varying operational conditions, which has a potential powerful capability in detecting incipient wind turbine blade and drive train faults, but also exhibits an amazing ability in tracing their further deterioration.
TL;DR: In this paper, a detailed statistical investigation is conducted in order to assess the average values of all properties (incl. fatty acid composition) of the most investigated biodiesels and quantify the effects of feedstock unsaturation on the physical and chemical properties of derived methyl ester.
TL;DR: In this paper, a least square (LS) support vector machine (SVM) based model was proposed for short-term solar power prediction using historical data of atmospheric transmissivity in a novel two-dimensional (2D) form and other meteorological variables, including sky cover, relative humidity, and wind speed.
TL;DR: In this article, the effect of the annealing temperature on the particle size and photo-luminescence (PL) properties of the synthesized ZnO nanoparticles were studied by XRD, SEM, BET, TG-DTA and PL measurements.
TL;DR: In this paper, an approach is presented for "morphing" existing EnergyPlus/ESP-r Weather (EPW) data with UK Met Office Hadley Centre general circulation model (GCM) predictions for a "medium-high" emissions scenario (A2).
TL;DR: In this article, a linear programming (LP) routine was implemented to model optimal energy storage dispatch schedules for peak net load management and demand charge minimization in a grid-connected, combined photovoltaic-battery storage system (PV+ system).
TL;DR: In this paper, the authors presented and optimized the annual heating, cooling and lighting energy consumption associated with applying different types and properties of window systems in a building envelope through using building simulation modeling, various window properties such as U-value, solar heat gain coefficient (SHGC), and visible transmittance (Tvis) are evaluated with different window wall ratios and orientations in five typical Asian climates: Manila, Taipei, Shanghai, Seoul and Sapporo.
TL;DR: In this paper, the authors outline the key policy frameworks, incentives and regulatory environment which encompasses the renewable energy sector, and present a critical analysis of the barriers faced by the industry, highlighting that the current policy landscape has favoured mature technologies which present the lowest investment risk at the expense of emerging options which may present greater efficiency and emissions reduction gains.
TL;DR: In this paper, the determinants of consumers' willingness to adopt renewable energies in the residential sector were analyzed based on the estimation of binary probit regression models, and it was shown that middle-aged and highly educated people are probably more willing to adopt renewables in their homes.
TL;DR: In this article, thermal energy storage cement mortar (TESCM) fabricated by integrating ordinary cement mortar with a composite phase change material (PCM) based on n-octadecane and expanded graphite (EG).
TL;DR: In this article, the performance of a Savonius wind turbine with constant cross-sections is examined by means of quasi 2D flow predictions executed in ANSYS CFX, in a way that allows comparison with wind tunnel data presented in a related paper.
TL;DR: In this paper, the effect of ethanol and methanol-gasoline blends on the engine performance and combustion characteristics has been investigated experimentally on a vehicle with a four-cylinder, four-stroke, multi-point injection system SI engine.
TL;DR: In this paper, a probabilistic framework based on 2m Point Estimate Method (2m PEM) was proposed to consider the uncertainties in the optimal energy management of the MGs.
TL;DR: In this article, a high-resolution assessment of the wave energy resources in the Mediterranean is presented through a numerical simulation performed on the entire Mediterranean basin for the period 2001-2010 using a third generation ocean wave model.
TL;DR: In this paper, an advanced version of the Unrestricted wind farm layout optimization (UWFLO) method is proposed to simultaneously optimize the placement and the selection of turbines for commercial-scale wind farms that are subject to varying wind conditions.
TL;DR: A solar radiation forecast technique based on fuzzy and neural networks, which aims to achieve a good accuracy at different weather conditions, which can follow the real values very well under different sky and temperature conditions is presented.
TL;DR: In this article, a theoretical and comprehensive model for energy and exergy analysis of flat plate solar collectors is presented through which the effect of the entire design parameters on performance can be examined.
TL;DR: In this article, the performance of 14 models transposing 10min diffuse solar irradiation from horizontal to inclined surfaces was evaluated by an intercomparison between the calculated and measured solar global radiation on a south-oriented surface tilted at 50.79° using statistical methods.
TL;DR: In this paper, the authors presented an optimisation based approach for the integrated plan and evaluation of Distributed Energy Resources (DER) systems, taking into account site energy loads, local climate data, utility tariff structure, characteristics of the candidate DER technologies (technical and financial) as well as geographical aspects.
TL;DR: In this paper, the feasibility and accuracy of three different CFD approaches, namely 2D URANS, 2.5D LES, and 2D large eddy simulations (LES), were investigated in the aerodynamic characterization of straight-bladed VAWT (SBVAWT), with a focus on the capability of the two.5d LES approach in CFD simulation of high angle of attack (AOA) flow.
TL;DR: In this article, a binary particle swarm optimization (BPSO) with time-varying acceleration coefficients (TVAC) was proposed for solving optimal placement of wind turbines within a wind farm.
TL;DR: In this article, the authors describe the development of a Horizontal Axis Wind Turbine 3D CFD model using the Ansys Fluent solver to predict wind turbine performance and evaluate the capabilities of the 1D model based on BEM Theory.
TL;DR: In this article, a 2-bladed rotor for low Re application fitted to an Air-X marine 400-W wind turbine was tested at a wind speed range of 3-6m/s.
TL;DR: In this article, the quality and cost of small-scale production of briquettes, made from agricultural and forest biomass in north-eastern Poland, were investigated, and the highest net calorific value was determined for Briquettes made from pine sawdust (18,144 MJt −1 ).
TL;DR: In this paper, a mixed integer non-linear programming (MINLP) formulation is developed for the optimisation problem of a conventional gas-fired power generation company with its operation in combination with wind power and compressed air energy storage (CAES).
TL;DR: In this article, the authors present the results of a thermal comfort analysis which was carried out in order to investigate the parameters that influence thermal comfort conditions in urban canyon environment, so that the degree of influence of each parameter could be examined.
TL;DR: In this paper, the authors provide guidelines for designing the layout of arrays of oscillating Wave Energy Converters (WECs) based on a review of the literature of wave interactions and park effect in WEC arrays that has been published over the past 30 years.
TL;DR: A review of structural health monitoring methods, including residual cure strain monitoring, for wind turbine blade industry is presented in this article, with potential savings to manufacturing time and reductions in cost through quality control measures, including furthering the scientific understanding of cure strain.
TL;DR: In this article, the results of an experimental investigation of heat transfer and friction in the flow of air in rectangular ducts having multi v-shaped rib with gap roughness on one broad wall were presented.