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Keywords: optics
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2023, 145(6): 061012.
Paper No: SOL-22-1280
Published Online: October 4, 2023
... measurement optics solar solar tower testing concentrating solar power heliostat durability Office of Energy Efficiency and Renewable Energy 10.13039/100006134 DE-AC36-08GO28308 Solar reflectors for concentrating solar power are exposed to harsh operational conditions...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2024, 146(1): 011002.
Paper No: SOL-22-1178
Published Online: May 25, 2023
...Matteo Timpano; Thomas A. Cooper This paper presents a detailed analysis of the optical performance of circular trough concentrators with tubular receivers. First, a simple analytical formula for the achievable geometric concentration ratio as a function of the rim angle and acceptance angle...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2023, 145(4): 041004.
Paper No: SOL-22-1277
Published Online: December 26, 2022
... in Morocco ,” Energy , 178 , pp. 572 – 584 . 10.1016/j.energy.2019.04.160 [9] Bellos , E. , and Tzivanidis , C. , 2020 , “ Enhancing the Performance of a Parabolic Trough Collector With Combined Thermal and Optical Techniques ,” Appl. Therm. Eng. , 164 , p. 114496 . 10.1016...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. June 2023, 145(3): 031008.
Paper No: SOL-21-1412
Published Online: November 11, 2022
... optics photovoltaics radiation solar Directorate for Engineering 10.13039/100000084 CBET-2103008 Optical characterization and design of subwavelength objects are challenging problems due to the complexity and computational cost of modeling. Nevertheless, the significant recent...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2022, 144(6): 061005.
Paper No: SOL-21-1352
Published Online: June 13, 2022
... olar E nergy E ngineering : I ncluding W ind E nergy and B uilding E nergy C onservation . 01 10 2021 19 05 2022 19 05 2022 13 06 2022 energy optics radiation solar solar dish Fundação para a Ciência e a Tecnologia 10.13039/501100001871 UIDB/00068...
Journal Articles
Publisher: ASME
Article Type: Design Innovation Paper
J. Sol. Energy Eng. October 2022, 144(5): 055001.
Paper No: SOL-21-1304
Published Online: March 22, 2022
... 02 2022 02 03 2022 22 03 2022 absorber collector optics solar receiver solar thermal power The main advantage of concentrating solar thermal (CST) power plants over many other forms of renewable energy is that collected energy can be stored quite cheaply and very...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Sol. Energy Eng. April 2022, 144(2): 024503.
Paper No: SOL-21-1266
Published Online: January 27, 2022
... : I ncluding W ind E nergy and B uilding E nergy C onservation . 31 07 2021 01 01 2022 02 01 2022 27 01 2022 azimuth-elevation graphical ray tracing heliostat spinning-elevation tracking angle optics solar receiver solar tower Proper tracking...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Sol. Energy Eng. April 2022, 144(2): 024502.
Paper No: SOL-20-1355
Published Online: November 23, 2021
...Muhammad Uzair; Naveed ur Rehman; Muhammad Asif This study developed a methodology for determining the intercept factor (γ) and reports the effects of varying the design parameters, within realistic ranges, on the optical performance of parabolic trough collectors (PTC). The design equations...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2022, 144(1): 011006.
Paper No: SOL-20-1525
Published Online: August 23, 2021
... and radii of facets are constrained so that the ray refracted from the bottom vertex of each facet on one side of the optical axis and the ray refracted from the outer vertex of the corresponding facet on the other side of the optical axis must intersect at the focal plane. The proposed lens design has...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2021, 143(6): 061004.
Paper No: SOL-20-1516
Published Online: June 1, 2021
... collector efficiency optics simulation solar The production of a narrow-band coherent laser radiation from a broad-band solar radiation is of great importance due to its design simplicity and the complete elimination of electrical power generation and conditioning equipment. Powered by a nearly...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2021, 143(6): 061001.
Paper No: SOL-20-1320
Published Online: April 23, 2021
...) (a) Evolution of thermal performances and (b) evolution of heat loss versus annulus gas type (τg = 0.95, ɛe = 0.14, αe = 0.956, tge = 10 mm) In this study, a simulation of optical and thermal performances of a HPPTC has been performed taking into consideration the type of the annulus gas. We concluded...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2021, 143(4): 041001.
Paper No: SOL-20-1050
Published Online: November 2, 2020
... Division of ASME for publication in the J ournal of S olar E nergy E ngineering : I ncluding W ind E nergy and B uilding E nergy C onservation . 06 02 2020 29 09 2020 29 09 2020 02 11 2020 absorber efficiency energy materials measurement optics photovoltaics...
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
... PV panel tilt angles optimization local weather statistics yearly available maximum energy optics photovoltaics renewable solar The increasing need for the development of effective renewable energy harvest technology and precise prediction of the quantity of energy has become very...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2021, 143(1): 011005.
Paper No: SOL-19-1409
Published Online: July 1, 2020
... toward the tube and largely contains the reflected radiation and thermal emission, thus acting both as a secondary reflector and as a cavity receiver. Optical and thermal simulations show that temperatures up to 800 °C can be achieved, with optical efficiency above 70% and thermal efficiency in the range...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2020, 142(6): 061008.
Paper No: SOL-20-1126
Published Online: May 12, 2020
...-effectiveness. Optical models are important tools to predict the solar concentrating capability of the CPC. Despite the numerous, optical models developed in the literature and used for parametric studies of the optical characteristics of CPCs, the angular optical properties of the glass envelope, reflector...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. December 2018, 140(6): 061006.
Paper No: SOL-17-1410
Published Online: June 26, 2018
...Moucun Yang; Yuezhao Zhu; Wei Fu; Garth Pearce; Robert A. Taylor The design and construction of solar concentrators heavily affects their optical efficiency, heat utilization, and cost. Current trough concentrators use an equivalent uniform beam with a metal grid substructure. In this conventional...