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Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Sol. Energy Eng.
Paper No: SOL-18-1087
Published Online: October 10, 2019
... wind energy calculations. All simulations are solved using the open-source software OpenFOAM v.2.4.0 with a modified k- ε turbulence closure. The forest drag effect is calculated with two models: a displacement height model and a canopy model that estimates the pressure loss due to the forest through...
Journal Articles
Accepted Manuscript
Article Type: Technical Briefs
J. Sol. Energy Eng.
Paper No: SOL-18-1256
Published Online: October 3, 2019
...Davide Astolfi; Francesco Castellani; Ludovico Terzi The alignment of the wind turbine yaw to the wind direction is an important topic for wind turbine technology by several points of view. For example, the negative impact on power production of an undesired non-optimal yaw alignment can be...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. February 2020, 142(1): 011010.
Paper No: SOL-19-1032
Published Online: September 3, 2019
...Dara Khalid Khidhir; Soorkeu A. Atrooshi The principle of solar chimney power plant (SCPP) is based on harvesting the thermal spectrum of solar radiation and converting it to mechanical energy by the means of a collector, a wind turbine, and a chimney. In this work, a number of experiments were...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. December 2019, 141(6): 061015.
Paper No: SOL-19-1006
Published Online: June 28, 2019
...Haris Ishaq; Osamah Siddiqui; Ibrahim Dincer A new energy system for power, hydrogen and fresh water production is proposed. The environmentally benign ocean thermal energy conversion (OTEC), wind and solar energy resources are utilized. The hybrid thermochemical CuCl cycle is used for hydrogen...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. February 2019, 141(1): 011006.
Paper No: SOL-17-1391
Published Online: September 14, 2018
...Yaşar Ostovan; M. Tuğrul Akpolat; Oğuz Uzol This study presents an experimental investigation on the effects of winglets on the near wake flow around the tip region and on the tip vortex characteristics downstream of a 0.94 m diameter three-bladed horizontal axis wind turbine (HAWT) rotor. Phase...
Journal Articles
Article Type: Technical Briefs
J. Sol. Energy Eng. February 2019, 141(1): 014501.
Paper No: SOL-18-1036
Published Online: September 14, 2018
...Davide Astolfi; Francesco Castellani; Andrea Lombardi; Ludovico Terzi The financial sustainability and the profitability of wind farms strongly depend on the efficiency of the conversion of wind kinetic energy. This motivates further research about the improvement of wind turbine power curve. If...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. February 2019, 141(1): 011005.
Paper No: SOL-17-1505
Published Online: August 31, 2018
...David Wenzhong Gao; Xiao Wang; Jianhui Wang; Tianqi Gao; Margareta Stefanovic; Xiangjun Li Advanced and model-based control techniques have become prevalent in modern wind turbine controls in the past decade. These methods are more attractive compared to the commonly used proportional-integral...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. December 2018, 140(6): 061006.
Paper No: SOL-17-1410
Published Online: June 26, 2018
... Efficiency Optics Parabolic trough Solar receiver System Thermal power Wind Parabolic troughs represent the most proven and lowest cost large-scale concentrating solar power (CSP) technology available today [ 1 , 2 ]. Although towers and dishes promise higher concentration ratios and system...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. October 2018, 140(5): 051010.
Paper No: SOL-17-1491
Published Online: May 29, 2018
...Hamid Khakpour Nejadkhaki; John F. Hall A modeling framework to analyze a wind turbine blade subjected to an out-of-plane transformation is presented. The framework combines aerodynamic and mechanical models to support an automated design process. The former combines the National Renewable Energy...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. October 2018, 140(5): 051003.
Paper No: SOL-17-1231
Published Online: May 7, 2018
...Jinsong Liu; Lance Manuel As offshore wind turbines supported on floating platforms extend to deep waters, the various effects involved in the dynamics, especially those resulting from the influence of moorings, become significant when predicting the overall integrated system response. The combined...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. August 2018, 140(4): 041012.
Paper No: SOL-17-1395
Published Online: April 9, 2018
...René M. M. Slot; Lasse Svenningsen; John D. Sørensen; Morten L. Thøgersen Wind turbines are subjected to fatigue loading during their entire lifetime due to the fluctuating excitation from the wind. To predict the fatigue damage, the design standard IEC 61400-1 describes how to parametrize an on...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. August 2018, 140(4): 041004.
Paper No: SOL-17-1101
Published Online: March 20, 2018
...Özgün Şener; Touraj Farsadi; M. Ozan Gözcü; Altan Kayran This paper presents a comprehensive study of the evaluation of the effect of spar cap fiber orientation angle of composite blades with induced bending–torsion coupling (IBTC) on the aero-structural performance wind turbines. Aero-structural...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. June 2018, 140(3): 031007.
Paper No: SOL-17-1013
Published Online: March 13, 2018
...Enrico G. A. Antonini; David A. Romero; Cristina H. Amon Computational fluid dynamics (CFD) simulations of wind turbine wakes are strongly influenced by the choice of the turbulence model used to close the Reynolds-averaged Navier-Stokes (RANS) equations. A wrong choice can lead to incorrect...
Journal Articles
Article Type: Technical Briefs
J. Sol. Energy Eng. August 2018, 140(4): 044501.
Paper No: SOL-17-1382
Published Online: March 13, 2018
...Francesco Castellani; Paolo Sdringola; Davide Astolfi An experimental study is conducted on wind turbine wakes and their effects on wind turbine performances and operation. The test case is a wind farm located on a moderately complex terrain, featuring four turbines with 2 MW of rated power each...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. June 2018, 140(3): 031004.
Paper No: SOL-16-1331
Published Online: February 27, 2018
... thousands of STS that are subject to dynamic loads (wind, snow, etc.), vibrations, and gravitational loads. This paper presents the structural dynamic analysis of a 24 m 2 bi-axial STS (azimuth-elevation) at different elevation angles based on its modal parameters (natural frequencies, modal shapes, and...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. June 2018, 140(3): 031001.
Paper No: SOL-17-1273
Published Online: February 20, 2018
...Davide Astolfi; Francesco Castellani; Ludovico Terzi This work deals with wind turbine wakes in complex terrain. The test case is a cluster of four 2.3 MW wind turbines, sited in a very complex terrain. Their performances are studied through supervisory control and data acquisition (SCADA) data...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. April 2018, 140(2): 021003.
Paper No: SOL-17-1090
Published Online: January 22, 2018
...Behnam Moghadassian; Anupam Sharma A method for inverse design of horizontal axis wind turbines (HAWTs) is presented in this paper. The direct solver for aerodynamic analysis solves the Reynolds-averaged Navier–Stokes (RANS) equations, where the effect of the turbine rotor is modeled as momentum...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. February 2018, 140(1): 011008.
Paper No: SOL-17-1184
Published Online: December 22, 2017
...Dhiraj Magare; Oruganti Sastry; Rajesh Gupta; Birinchi Bora; Yogesh Singh; Humaid Mohammed The performance of photovoltaic (PV) modules in outdoor field conditions is adversely affected by the rise in module operating temperature. Wind flow around the module affects its temperature significantly...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. February 2018, 140(1): 011006.
Paper No: SOL-17-1109
Published Online: November 30, 2017
... systems and include energy storage units. In this study, the feasibility analysis of a grid-connected photovoltaic (PV)-wind-battery hybrid system is presented as a microgrid for a university campus-scale community on a Mediterranean island. Models for PV and wind turbine systems are presented to estimate...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. February 2018, 140(1): 011002.
Paper No: SOL-17-1118
Published Online: October 17, 2017
... demand is met by the 12 MW oil shale system; however, to achieve these fractions, enormous installed capacity of photovoltaic (PV) and wind is required where 99% of the energy production is excess and LCOE is larger than C O E c o n . The maximum F H with LCOE equals to COE con can be achieved by 12 MW...