Journal of Solar Energy Engineering: Recent submissions
Now showing items 781-800 of 3077
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Thermal Repair of Incomplete Back Contact Insulation (P1) in Cu(In,Ga)Se2 Photovoltaic Thin Film Modules
(The American Society of Mechanical Engineers (ASME), 2015)We investigate the repair of interruptions in the back contact (P1) scribing line between two Mo back electrodes by thermally induced fractures. The fractures occur during Cu(In,Ga)Se2 (CIGS) absorber coevaporation, as it ... -
Aerodynamic Interference Effect of Huge Wind Turbine Blades With Periodic Surge Motions Using Overset Grid Based Computational Fluid Dynamics Approach
(The American Society of Mechanical Engineers (ASME), 2015)The accurate prediction of unsteady aerodynamic performance and loads, for floating offshore wind turbines (FOWTs), is still questionable because several conventional methods widely used for this purpose are applied in ... -
Optical and Thermal Analysis of a Pressurized Air Receiver Cluster for a 50 MWe Solar Power Tower
(The American Society of Mechanical Engineers (ASME), 2015)The optical design and thermal performance of a solar power tower system using an array of hightemperature pressurized airbased solar receivers is analyzed for Brayton, recuperated, and combined Brayton–Rankine cycles. ... -
Performance Modeling Comparison of a Solar Combisystem and Solar Water Heater
(The American Society of Mechanical Engineers (ASME), 2015)As homes move toward zero energy performance, some designers are drawn toward the solar combisystem due to its ability to increase the energy savings as compared to solar water heater (SWH) systems. However, it is not ... -
Effect of Pressure Drop and Reheating on Thermal and Exergetic Performance of Supercritical Carbon Dioxide Brayton Cycles Integrated With a Solar Central Receiver
(The American Society of Mechanical Engineers (ASME), 2015)Concentrated solar power using supercritical carbon dioxide (SCO2) Brayton cycles offers advantages of similar or higher overall thermal efficiencies than conventional Rankine cycles using superheated or supercritical ... -
Analytical and Experimental Investigation to Determine the Variation of Hottel–Whillier–Bliss Constants for a Scaled Forced Circulation Flat Plate Solar Water Heater
(The American Society of Mechanical Engineers (ASME), 2015)Fixed tilt flatplate solar thermal collectors, popularly known as solar water heaters, still remain as one of the most interesting technologies for utilization of solar energy. The system performance deteriorates due to ... -
Elimination of Thermal Bridges in the Construction of a Flat Low Pressure Solar Collector by Means of a Vacuum Thermal Insulation Bushing
(The American Society of Mechanical Engineers (ASME), 2015)The paper deals with the elimination of heat losses in a flat lowpressure solar collector caused by direct contact of outlet pipefitting and the Al–Mg collector box. This is manifested by reduced thermal efficiency of ... -
Granular Flow and Heat Transfer Study in a Near Blackbody Enclosed Particle Receiver
(The American Society of Mechanical Engineers (ASME), 2015)Concentrating solar power (CSP) is an effective means of converting solar energy into electricity with an energy storage capability for continuous, dispatchable, renewable power generation. However, challenges with current ... -
Day Ahead Solar Irradiance Forecasting in a Tropical Environment
(The American Society of Mechanical Engineers (ASME), 2015)Dayahead solar irradiance forecasting is carried out using data from a tropical environment, Singapore. The performance of the weather research and forecasting (WRF) model is evaluated. We explore various combinations of ... -
A New Generation of Medium Temperature Collector for Solar Cooling1
(The American Society of Mechanical Engineers (ASME), 2015)PrologueIn the early 1970s, I began a research effort at Argonne National Laboratory to develop the nonimaging nontracking solar concentrator I had recently invented which became known as the compound parabolic concentrator ... -
Drone Based Experimental Investigation of Three Dimensional Flow Structure of a Multi Megawatt Wind Turbine in Complex Terrain
(The American Society of Mechanical Engineers (ASME), 2015)The aerodynamic characteristics of wakes in complex terrain have a profound impact on the energy yield of wind farms and on the fatigue loads on wind turbines in the wind farm. In order to detail the spatial variations of ... -
Plasma Texturing Processes and a Si:H Surface Passivation on c Si Wafers for Photovoltaic Applications
(The American Society of Mechanical Engineers (ASME), 2015)In this work, we report the formation of pyramidlike structures on crystalline silicon (cSi) substrates using plasmatexturing processes, and also, we present optimized process conditions for the deposition of hydrogenated ... -
On the Anthropogenic Heat Fluxes Using an Air Conditioning Evaporative Cooling Parameterization for Mesoscale Urban Canopy Models
(The American Society of Mechanical Engineers (ASME), 2015)An air conditioning evaporative cooling parameterization was implemented in a building effect parameterization/building energy model (BEP + BEM) to calculate the magnitude of the anthropogenic sensible and latent heat ... -
Energy Storage Start up Strategies for Concentrated Solar Power Plants With a Dual Media Thermal Storage System
(The American Society of Mechanical Engineers (ASME), 2015)A concentrated solar power (CSP) plant typically has thermal energy storage (TES), which offers advantages of extended operation and power dispatch. Using dualmedia, TES can be costeffective because of the reduced use of ... -
Single Phase Cascaded Grid Connected Multilevel Inverter for Interfacing Renewable Energy Sources With Microgrid
(The American Society of Mechanical Engineers (ASME), 2015)In this paper, a novel singlephase cascaded grid connected multilevel inverter (MLI) is proposed for feeding power to microgrid from renewable energy sources (RESs). The proposed inverter is capable of feeding power to ... -
Numerical Study and Optimization of Parabolic Trough Solar Collector Receiver Tube
(The American Society of Mechanical Engineers (ASME), 2015)In this study, the parabolic trough collector's (PTC) performance is analyzed. In order to achieve this goal, the adopted procedure comprises two main steps. In the first step, the concentrated solar heat flux densities ... -
Dynamic Properties of a Heliostat Structure Determined by Numerical and Experimental Modal Analysis
(The American Society of Mechanical Engineers (ASME), 2015)An experimental and numerical modal analysis was performed on an 8 m2 Tshaped heliostat structure at different elevation angles. The experimental results were used to validate a finite element (FE) model by comparing natural ... -
Initial Study on Controllable Roofing System to Tailor Building Solar Loads for Increased HVAC Efficiency
(The American Society of Mechanical Engineers (ASME), 2015)Space heating and cooling account for a significant percentage of a building's overall energy usage profile. The construction of a building's envelope is an essential component that impacts the overall heating and cooling ... -
Performance Evaluation of a New Type of Combined Photovoltaic–Thermal Solar Collector
(The American Society of Mechanical Engineers (ASME), 2015)A thermal analysis of a new photovoltaic–thermal (PV–T) solar panel design, called thermal electric solar panel integration (TESPI), has been performed using radtherm thermoanalitics software. Combinations of different ... -
Effect of the Back Surface Reflector and Passivated Rear Contacts With PERT Solar Cells
(The American Society of Mechanical Engineers (ASME), 2015)We use Silvaco software (atlas tcad) simulation to investigate the effect of dielectric layer deposed on rear surface of solar cells passivated emitter and rear totally diffused (PERT). For an improved performance for this ...