Journal of Solar Energy Engineering: Recent submissions
Now showing items 841-860 of 3077
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Realization of an Inexpensive Embedded Mini Datalogger for Measuring and Controlling Photovoltaic System
(The American Society of Mechanical Engineers (ASME), 2015)This article describes the design and the realization of an automatic recording device for measurements and controls of multiple physical parameters, in order to manage and monitor a mini central photovoltaic (PV) electricity. ... -
Comparisons of Horizontal Axis Wind Turbine Wake Interaction Models
(The American Society of Mechanical Engineers (ASME), 2015)In this study, Reynoldsaveraged Navier–Stokes (RANS) simulations are performed using the kخµ and kد‰ shear stress transport (SST) turbulence closure schemes to investigate the interactions of horizontalaxis wind turbine ... -
Validation of a Monte Carlo Integral Formulation Applied to Solar Facility Simulations and Use of Sensitivities
(The American Society of Mechanical Engineers (ASME), 2015)The design of solar concentrating systems and receivers requires the spatial distribution of the solar flux on the receiver. This article presents an integral formulation of the optical model for the multiple reflections ... -
Energy Production of Different Types and Orientations of Photovoltaic Systems Under Outdoor Conditions
(The American Society of Mechanical Engineers (ASME), 2015)This work compares the energy production of different types and orientations of photovoltaic systems under the equal outdoor conditions over the 4yr period in Slovenia. The following photovoltaic systems were analyzed: the ... -
An Integrated Control and Design Framework for Optimizing Energy Capture and Component Life for a Wind Turbine Variable Ratio Gearbox
(The American Society of Mechanical Engineers (ASME), 2015)Small wind turbines are a promising technology that can provide renewable power to rural and remote communities. In order to increase the efficiency and competitiveness of small wind technology, it is necessary to maximize ... -
Full State Feedback Control of Steam Temperature in a Once Through Direct Steam Generation Receiver Powered by a Paraboloidal Dish
(The American Society of Mechanical Engineers (ASME), 2015)Oncethrough direct steam generation (DSG) plants convert water into superheated steam suitable for a steam turbine with a single pass of the fluid through the receiver. The control problem in such a plant is to set a ... -
Monte Carlo Simulation of Sunlight Transport in Solar Trees for Effective Sunlight Capture
(The American Society of Mechanical Engineers (ASME), 2015)Solar photovoltaic (PV) cells arranged in complex 3D leaflike configurations—referred to as a solar tree—can potentially collect more sunlight than traditionally used flat configurations. It is hypothesized that this ... -
TRNSYS Modeling of a Linear Fresnel Concentrating Collector for Solar Cooling and Hot Water Applications
(The American Society of Mechanical Engineers (ASME), 2015)In this paper, simulation of a linear Fresnel rooftop mounted concentrating solar collector is presented. The system is modeled with the transient system (trnsys) simulation program using the typical meteorological year ... -
Compensation of Gravity Induced Heliostat Deflections for Improved Optical Performance
(The American Society of Mechanical Engineers (ASME), 2015)Heliostat optical performance can be affected by both wind and gravity induced deflections in the mirror support structure. These effects can result in decreased energy collection efficiency, depending on the magnitude of ... -
Photovoltaic Technology Selection Using Analytical Hierarchical Process
(The American Society of Mechanical Engineers (ASME), 2015)While suffering from looming power crisis, high level of annual average solar irradiance makes the Pakistan ideally suitable for photovoltaic technologies. Deciding for a photovoltaic (PV) technology definitely requires a ... -
Performance of Carbon Nanotubes–Water Nanofluid Charged Wickless Heat Pipe Flat Plate Solar Collectors Having Different Filling Ratio
(The American Society of Mechanical Engineers (ASME), 2015)An experimental study was carried out to investigate the thermal performance of solar heat pipe collector at outdoor test condition. The thermal performance of wickless heat pipe solar collector was investigated by using ... -
Experimental Investigation of Enhanced Heat Transfer and Pressure Drop in a Solar Air Heater Duct With Discretized Broken V Rib Roughness
(The American Society of Mechanical Engineers (ASME), 2015)The present study examines the augmentation in heat transfer and friction in a flow through solar air heater duct with discretized broken Vrib roughness. The experimental outcomes pertaining to Reynolds number from 3000 ... -
Retracted: “Multiscale Multiphysics Modeling of Carbon Nanotube Based Power Diode and Power MOSFET for Photovoltaic Solar Panel†[ASME Journal of Solar Energy Engineering, 2013, 135(2), p. 021001]
(The American Society of Mechanical Engineers (ASME), 2015)The above referenced paper is being retracted from the Journal of Solar Energy Engineering because of unrebutted allegations that it contains confidential and proprietary information used without permission. -
Efficiency Enhancement of GaAs Solar Cell Using Luminescent Down Shifting Layer Consisting of (CdSe)ZnS Quantum Dots With Calculation and Experiment
(The American Society of Mechanical Engineers (ASME), 2015)In this work, we report the efficiency enhancement of a GaAs solar cell by using a luminescent downshifting (LDS) layer consisting of (CdSe)ZnS quantum dots (QDs). The calculated conversion efficiency shows strong dependence ... -
Optical Design of Multisource High Flux Solar Simulators
(The American Society of Mechanical Engineers (ASME), 2015)We present a systematic approach to the design of a set of highflux solar simulators (HFSSs) for solar thermal, thermochemical, and materials research. The generic simulator concept consists of an array of identical radiation ... -
Structural Dynamics Testing and Analysis for Design Evaluation and Monitoring of Heliostats
(The American Society of Mechanical Engineers (ASME), 2015)Heliostat vibrations due to wind loading can degrade optical pointing accuracy while fatiguing the structural components. This paper reports the use of structural dynamic measurements for design evaluation and monitoring ... -
Improvement of Radiative Performances of High Temperature Solar Particle Receivers Using Coated Particles and Mixtures
(The American Society of Mechanical Engineers (ASME), 2015)The use of HfB2, ZrB2, HfC, ZrC, W, and SiC particles in a high temperature solar particle receiver (SPR) is analyzed. The SPR is modeled as a 1D slab of spherical particles dispersion, submitted to a concentrated and ... -
Framework for Monitoring and Assessing Small and Medium Solar Energy Plants
(The American Society of Mechanical Engineers (ASME), 2015)The monitoring and assessment of small and medium solar energy plants were ruled out as the existing programs for these tasks are expensive and they are designed to run directly on the installation site, making it necessary ... -
Study of Using Solar Thermal Power for the Margarine Melting Heat Process
(The American Society of Mechanical Engineers (ASME), 2015)The heating process of melting margarine requires a vast amount of thermal energy due to its high melting point and the size of the reservoir it is contained in. Existing methods to heat margarine have a high hourly cost ... -
How Baseline Model Implementation Choices Affect Demand Response Assessments
(The American Society of Mechanical Engineers (ASME), 2015)The performance of buildings participating in demand response (DR) programs is usually evaluated with baseline models, which predict what electric demand would have been if a DR event had not been called. Different baseline ...