Journal of Solar Energy Engineering: Recent submissions
Now showing items 701-720 of 3077
-
A Modified Beddoes–Leishman Model for Unsteady Aerodynamic Blade Load Computations on Wind Turbine Blades
(The American Society of Mechanical Engineers (ASME), 2016)A modified version of the Beddoes–Leishman (BL) dynamic stall model is presented. A novel approach was applied for deriving the effective flow separation points using twodimensional (2D) static wind tunnel test data in ... -
Solar Variability Datalogger
(The American Society of Mechanical Engineers (ASME), 2016)To address the lack of knowledge of local solar variability, we have developed and deployed a lowcost solar variability datalogger (SVD). While most currently used solar irradiance sensors are expensive pyranometers with ... -
Effects of Partition on Thermal Comfort, Indoor Air Quality, Energy Consumption, and Perception in Air Conditioned Buildings
(The American Society of Mechanical Engineers (ASME), 2016)This research is to assess effects of a partition on thermal comfort, indoor air quality (IAQ), energy consumption, and perception in an airconditioned space via computational fluid dynamics (CFD) analysis. The variables ... -
Estimation of Most Frequent Conditions and Performance Evaluation of Three Photovoltaic Technology Modules
(The American Society of Mechanical Engineers (ASME), 2016)In this paper, a performance evaluation technique using most frequent conditions (MFC) for accurate design of photovoltaic systems, based on energy rating and sitespecific standards is reported. Most frequent conditions ... -
Natural Dye Extracted From Saraca asoca Flowers as Sensitizer for TiO2 Based Dye Sensitized Solar Cell
(The American Society of Mechanical Engineers (ASME), 2016)In this work, we have chosen the low cost natural dye extracted from Saraca asoca flowers to act as a sensitizer dye for TiO2based dyesensitized solar cell (DSSC). UV–visible spectroscopic studies of ethanolic extract ... -
Elastic Field and Frequency Variation in Extendable Wind Turbine Blades
(The American Society of Mechanical Engineers (ASME), 2016)The behaviors of tip displacement, maximum stress, and natural frequency of vibration as a function of blade length are investigated for extendable wind turbine blades. A threedimensional linear elasticity finiteelement ... -
Investigation of the Thermal Performances of Flat, Finned, and v Corrugated Plate Solar Air Heaters
(The American Society of Mechanical Engineers (ASME), 2016)In this research, the thermal performances of flat, finned, and vcorrugated plate solar air heaters were investigated experimentally. A solar air heater with single glass cover, single pass was designed and tested under ... -
External Costs of Energy: How Much Is Clean Energy Worth?
(The American Society of Mechanical Engineers (ASME), 2016)This review describes the methodology for the analysis of environmental damages and presents key results obtained by the external costs of energy (ExternE) projects of the European Commission as well as analogous work in ... -
Thermal and Transport Properties of NaCl–KCl–ZnCl2 Eutectic Salts for New Generation High Temperature Heat Transfer Fluids
(The American Society of Mechanical Engineers (ASME), 2016)Three eutectic salts from a system of halide salts NaCl–KCl–ZnCl2 were chosen for detailed study of thermal and transport properties with the objective of developing a next generation hightemperature heattransfer fluid ... -
Reduction in Auxiliary Energy Consumption in a Solar Adsorption Cooling System by Utilization of Phase Change Materials
(The American Society of Mechanical Engineers (ASME), 2016)This study investigates the efficiency of application of phase change materials (PCMs) in a solar cooling system. The proposed system consists of an adsorption chiller and a latent heat storage unit (LHSU) containing PCMs. ... -
Validation of a Simulation Model for Analysis of Shading Effects on Photovoltaic Panels
(The American Society of Mechanical Engineers (ASME), 2016)Numerical simulation results and modeling on the electrical features of concentrating photovoltaicthermal (PVT) using the free circuit simulation package from linear technology corporation (LTSPICE) are presented. The ... -
Application of Fatty Acid Based Phase Change Material to Reduce Energy Consumption From Roofs of Buildings
(The American Society of Mechanical Engineers (ASME), 2016)Buildings account for a significant portion of the total energy consumption in the U.S., especially the energyinefficient commercial building sector. As part of the future path toward realizing net zero energy buildings, ... -
Technoeconomic Analysis of Alternative Solarized s CO2 Brayton Cycle Configurations
(The American Society of Mechanical Engineers (ASME), 2016)This paper evaluates cost and performance tradeoffs of alternative supercritical carbon dioxide (sCO2) closedloop Brayton cycle configurations with a concentrated solar heat source. Alternative sCO2 power cycle configurations ... -
Determination of Heat Transfer Characteristics of Solar Thermal Collectors as Heat Source for a Residential Heat Pump
(The American Society of Mechanical Engineers (ASME), 2016)With reducing energy demand and required installed mechanical system power of modern residences, alternate heat pump system configurations with a possible increased economic viability emerge. Against this background, this ... -
Development of an Analytical Unsteady Model for Wind Turbine Aerodynamic Response to Linear Pitch Changes
(The American Society of Mechanical Engineers (ASME), 2016)A simple unsteady blade element analysis is used to account for the effect of the trailing wake on the induced velocity of a wind turbine rotor undergoing fast changes in pitch angle. At sufficiently high tip speed ratio, ... -
Modeling of a Solar Receiver for Superheating Sulfuric Acid
(The American Society of Mechanical Engineers (ASME), 2016)A volumetric solar receiver for superheating evaporated sulfuric acid is developed as part of a 100 kW pilot plant for the hybrid sulfur (HyS) cycle. The receiver, which uses silicon carbide foam as a heat transfer medium, ... -
Experimental Study of the Influence of Light Intensity on Solar Organic Rankine Cycle Power Generation System
(The American Society of Mechanical Engineers (ASME), 2016)A lowtemperature (<120 آ°C) solar organic Rankine cycle (ORC) power generation experimental facility is designed and built. The influence of light intensity on the system performance is investigated using the experimental ... -
Computationally Efficient Uncertainty Minimization in Wind Turbine Extreme Load Assessments
(The American Society of Mechanical Engineers (ASME), 2016)To harvest more energy from wind, wind turbine size has rapidly increased, entailing the serious concern on the reliability of the wind turbine. Accordingly, the international standard requires turbine designers to estimate ... -
Performance Testing of a Parabolic Solar Concentrator for Solar Cooking
(The American Society of Mechanical Engineers (ASME), 2016)The objective of the present work is to conduct a worthwhile experimental study of the performance of a parabolic solar concentrator for solar cooking. The literature survey briefly highlights the standard performance tests ... -
Investigation on the Optimum Volume Filling Ratio of a Loop Thermosyphon Solar Water Heating System
(The American Society of Mechanical Engineers (ASME), 2016)Volumefilling ratio of the working fluid has a predominant effect on the system performance of a closed twophase solar waterheating (SWH) system. To study this effect, a prototype of a loop thermosyphon SWH system, which ...