Journal of Solar Energy Engineering: Recent submissions
Now showing items 301-320 of 3077
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Indoor Comfort Achieved Exclusively From Ambient Sources Across US Climates
(The American Society of Mechanical Engineers (ASME), 2021)This study tests the feasibility of a more climate-friendly approach to space conditioning. This new strategy (called Ambient House) employs thermal mass in conjunction with ambient sources of heat and cold to maintain ... -
Advanced SuDoKu-Based Reconfiguration Strategies for Maximum Power Extraction From Partially Shaded Solar Photovoltaic Array
(The American Society of Mechanical Engineers (ASME), 2021)Individual performance of photovoltaic (PV) modules is contravened by mismatch losses which result in blockage in most of the solar power generated by the PV array (PVA). Partial shading conditions (PSCs) are the main ... -
Intercept Factor for a Beam-Down Parabolic Trough Collector
(The American Society of Mechanical Engineers (ASME), 2021)This paper presents a method for evaluating the intercept factor (γ) of a beam-down parabolic trough collector (BDPTC), accounting for collector design, solar cone, and shading on the aperture due to secondary reflectors. ... -
Impact of Gas-Filled Annular Space on Thermal and Optical Performances of a Heat Pipe Parabolic Trough Solar Collector
(The American Society of Mechanical Engineers (ASME), 2021)In this work, we demonstrate the improvement of thermal performances of a heat pipe parabolic trough solar collector by optimizing the annulus space, between the evaporator and the glass envelope, and using an appropriate ... -
Experimental Investigation of Direct Steam Generation Dynamics in Solar Fresnel Collectors
(The American Society of Mechanical Engineers (ASME), 2021)Direct steam generation (DSG) is a technology used to produce steam from a solar concentrated thermal plant directly in the solar field without the use of an intermediate steam generator. This technology is attractive due ... -
Dynamic Analysis of the Optimized Savonius Vertical Axis Wind Turbine Composite Blades
(The American Society of Mechanical Engineers (ASME), 2021)This article presents a comprehensive study of the dynamic behavior of small vertical-axis wind turbines (VAWTs) based on local fabricated Savonius VAWTs, which is suitable for countries that have a moderate wind speed. ... -
Computational Simulation and Analysis of Major Control Parameters of Time-Dependent Photovoltaic/Thermal Collectors
(The American Society of Mechanical Engineers (ASME), 2021)In order to improve the transient performance of photovoltaic/thermal (PV/T) collectors, this paper first developed and validated an improved computational thermal model to investigate the effects of the major control ... -
Application of Artificial Intelligence Techniques in Prediction of Energetic Performance of a Hybrid System Consisting of an Earth-Air Heat Exchanger and a Building-Integrated Photovoltaic/Thermal System
(The American Society of Mechanical Engineers (ASME), 2021)In this study, an attempt is made to assess the feasibility of several machine learning techniques for forecasting the energetic performance of a hybrid renewable energy unit consisting of an earth-air heat exchanger (EAX) ... -
Optimization of NARX Neural Models Using Particle Swarm Optimization and Genetic Algorithms Applied to Identification of Photovoltaic Systems
(The American Society of Mechanical Engineers (ASME), 2021)In this study, genetic algorithms (GAs) and particle swarm optimization (PSO) are used to make an automated choice of hyperparameters of the multilayer perceptron (MLP)-NARX, extreme learning machine (ELM)-NARX, and echo ... -
Short-Term Forecasting and Uncertainty Analysis of Wind Power
(The American Society of Mechanical Engineers (ASME), 2021)Accurate forecasting is the key factor in promoting wind power consumption and improving the stable operation of power systems. A short-term wind power forecasting (WPF) and uncertainty analysis method based on whale ... -
Evaluation of Optical Transmissivity of Transparent Materials on the Performance of Solar Flat Plate Collectors
(The American Society of Mechanical Engineers (ASME), 2021)The energy gain of domestic solar water heating systems is determined by solar to thermal energy conversion and glazing optical efficiency. For this study, solar transmission properties of different transparent glazing ... -
Enhancement of the Photovoltaic Potential in Mimosa pudica-Based Dye for Sensitization of the Working Electrode in the Construction of Solar Cell
(The American Society of Mechanical Engineers (ASME), 2021)The potential enhancement of extract from Mimosa pudica (M. pudica) leaf for sensitizing TiO2 layer toward the production of the organic solar cell is investigated. A unique diffusion model that incorporates the concentration ... -
An Improved Method for Extracting Photovoltaic Module I–V Characteristic Curve Using Hybrid Learning Machine System
(The American Society of Mechanical Engineers (ASME), 2021)This paper provides an improved method for predicting the I–V curve of the photovoltaic module using a hybrid machine learning system. The proposed method is based on a random forest algorithm and a cascade forward neural ... -
Mathematical Modeling and Computational Tool That Consider the Thermal Behavior of Inverters in the Forecast of Energy Yield in Grid-Connected Photovoltaic Systems
(The American Society of Mechanical Engineers (ASME), 2021)The evaluation of the DC/AC conversion process of inverters on photovoltaic (PV) systems can be performed through experimental monitoring or computer simulations. In general, the basis of the simulation tools is the ... -
Simplified Thermal Model for Absolute Radiometer Simulation
(The American Society of Mechanical Engineers (ASME), 2021)The study of solar radiation in space has become something necessary, motivating the launch of radiometers on board satellites dedicated to perform total solar irradiance (TSI) measurements and to build a record of their ... -
Short-Term Prediction of Global Solar Radiation Energy Using Weather Data and Machine Learning Ensembles: A Comparative Study
(The American Society of Mechanical Engineers (ASME), 2021)The ability to predict solar radiation one-day-ahead is critical for the best management of renewable energy tied-grids. Several machine learning ensemble techniques have been proposed to enhance the short-term prediction ... -
Hybrid/Combined Darrieus–Savonius Wind Turbines: Erstwhile Development and Future Prognosis
(The American Society of Mechanical Engineers (ASME), 2021)Over the last few decades, the vertical-axis wind turbines (VAWTs) have undergone intensive research mainly due to their design simplicity and independency of wind direction. The drag-based Savonius wind rotor exhibits a ... -
Employing Computational Fluid Dynamics to Derive Beddoes–Leishman Model Airfoil Parameters for Vertical Axis Wind Turbines
(The American Society of Mechanical Engineers (ASME), 2021)The blades of a vertical axis wind turbine (VAWT) experience large variations in the angle of attack at low tip-speed ratios and induce blade force oscillation. These unsteady aerodynamic effects must be considered in the ... -
Numerical Study of a Solar-Powered Stirling Engine With a Transparent Top Cover
(The American Society of Mechanical Engineers (ASME), 2021)The present work is focused on the numerical study of a solar-powered Stirling engine, with the particularity that the solar radiation is injected through a transparent top cover. Thus, the working fluid absorbs the heat ... -
Modeling and Optimal Control Applying the Flower Pollination Algorithm to Doubly Fed Induction Generators on a Wind Farm in a Hot Arid Climate
(The American Society of Mechanical Engineers (ASME), 2021)In the present paper, the flower pollination algorithm (FPA) is employed for tuning the controller parameters of a doubly fed induction generator (DFIG) in a wind energy system. These parameters are then compared with those ...