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Keywords: optimization
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Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2023, 145(1): 011007.
Paper No: SOL-22-1021
Published Online: July 29, 2022
... training time of 0.45 s when compared to other ML models. For the given operating range, the predicted optimal performance parameters such as “T htf,o ,” “Q˙ htf ,” and “ɳ ETSC ” obtained from the SGDR ML model are 45 °C, 0.44 kW, and 71%, respectively. Furthermore, the recommendations and shortcomings...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2023, 145(1): 011005.
Paper No: SOL-21-1351
Published Online: July 29, 2022
... as well. The major finding of this work is optimizing the system performance gives the possibility to meet adequately the heating load. The energetic analysis shows the system's adaptability to the Moroccan climate, whose solar fraction is around 65% and 87%. For most of the examined sites...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. April 2021, 143(2): 021005.
Paper No: SOL-20-1129
Published Online: August 27, 2020
...Sobhy Ghoneam; Ahmed Hamada; Taha Sherif This article presents a study of modeling and optimization for the dynamic performance of wind turbine composite material blades and investigates the effects of composite material stacking sequence in addition to some design parameters such as twist angle (ɸ...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. April 2021, 143(2): 021002.
Paper No: SOL-20-1245
Published Online: August 24, 2020
...Ammar Omar Gwesha; Peiwen Li; Yasir Mohammed Alfulayyih The fixed setup angles of photovoltaic (PV) panels are typically optimized properly in order to maximize the electrical energy harvest. In the present work, the sunlight availability or sky coverage conditions of sufficiently small time...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. June 2016, 138(3): 031003.
Paper No: SOL-15-1174
Published Online: February 23, 2016
...Ali Al-Alili; Yunho Hwang; Reinhard Radermacher Solar air conditioners (A/Cs) have attracted much attention in research, but their performance and cost have to be optimized in order to become a real alternative to conventional A/C systems. In this study, a hybrid solar A/C is simulated using...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. June 2015, 137(3): 031018.
Paper No: SOL-14-1103
Published Online: June 1, 2015
... parameters on the performance of the receiver is evaluated by a parametric analysis. Subsequently, a multi-objective optimization is performed to determine the optimal geometry of the heat exchanger considering the tradeoff between objective functions, such as unit thermal resistance and pressure drop...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. November 2013, 135(4): 040908.
Paper No: SOL-13-1031
Published Online: October 17, 2013
... ,” Renewable Energy , 32 ( 1 ), pp. 141 – 156 . 10.1016/j.renene.2006.01.007 [7] Znouda , E. , Ghrab-Morcos , N. , and Hadj-Alouane , A. , 2007 , “ Optimization of Mediterranean Building Design Using Genetic Algorithms ,” Energy Build. , 39 ( 2 ), pp. 148 – 153 . 10.1016/j.enbuild...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Sol. Energy Eng. August 2013, 135(3): 034502.
Paper No: SOL-12-1166
Published Online: May 23, 2013
... diameters defined in Item 1 (3) a loop for each pipe segment is inserted into the fluid-dynamic and cost-optimization equations that govern the DHWS. For each loop, the partial derivatives of the cost function are calculated. The logical sequence to minimize the function is based on an adaptation...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. May 2013, 135(2): 021017.
Paper No: SOL-12-1152
Published Online: April 8, 2013
... electricity if it tracked directly to where the sun is in the sky as compared to using a backtracking algorithm. Building a dual-axis tracking system capable of going to horizon, sensing solar conditions, making optimization decisions, and adjusting to variations in the tracking algorithm would be more...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Sol. Energy Eng. May 2008, 130(2): 024503.
Published Online: March 11, 2008
..., there is a clear need to fully evaluate the model behavior for both sun and wind variations. Further experiments are needed to verify the simulations, and economic optimizations need to be performed to assess how these results influence capital and operating costs. In order to increase evaporation rate, two...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. November 2007, 129(4): 355–362.
Published Online: January 22, 2007
...A. McMahan; S. A. Klein; D. T. Reindl Fundamental differences between the optimization strategies for power cycles used in “traditional” and solar-thermal power plants are identified using principles of finite-time thermodynamics. Optimal operating efficiencies for the power cycles in traditional...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Sol. Energy Eng. November 2007, 129(4): 499–501.
Published Online: September 27, 2006
...K. F. Fong; T. T. Chow; V. I. Hanby There are growing initiatives to promote renewable energy in Hong Kong, particularly for solar energy. In order to encourage wider application of centralized solar water heating system for high-rise residential buildings, it is important to pursue an optimal...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Sol. Energy Eng. August 2006, 128(3): 409–413.
Published Online: February 24, 2006
... in the Brayton cycle system on the performance of a space SD power Brayton system. The overall efficiency of the system and the other performance parameters are optimized. The optimal values of the important parameters and their corresponding upper or lower bounds are determined. Finally, the optimal performance...