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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
... Constraints Responsible to Solar Glass Mirror Degradation ,” Energy Procedia , 69 ( 3 ), pp. 1519 – 1528 . 10.1016/j.egypro.2015.03.103 [4] Kennedy , C. E. , and Terwilliger , K. , 2005 , “ Optical Durability of Candidate Solar Reflectors ,” ASME J. Sol. Energy Eng. , 127 ( 2 ), pp...
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
Publisher: ASME
Article Type: Technical Briefs
J. Sol. Energy Eng. October 2023, 145(5): 054501.
Paper No: SOL-22-1294
Published Online: May 19, 2023
... shape formed by the combined reflectors does not need to be paraboloidal; for example, it could be a flat surface tilted appropriately. Small gaps between adjacent reflectors would be needed to reduce shading and blocking losses. The paraboloidal shape is convenient for use in SAM because the optical...
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
... flow heat transfer optics parabolic trough radiation simulation solar receiver sustainability thermal power Concentrated solar thermal energy applications play an important role in transitioning our current energy system to a more sustainable system. In such a system, solar thermal...
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
... Foundation (Grant No. CBET-2103008). There are no conflicts of interest. The datasets generated and supporting the findings of this article are obtainable from the corresponding author upon reasonable request. ℓ = optical index ( a , e , or s for absorption, extinction...
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
..., TEM 00 -mode laser operation can prevent damage in the optics of the laser resonator due to its smooth profile, avoiding the appearance of hot sites inside the Nd:YAG laser media [ 27 ]. The decrease in the laser rod volume makes the laser material more resistant to thermal stress and thermal load...
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
... 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 efficiently for many hours in the form of heat and then converted...
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
...-Pumped Solid State Laser Program ,” 10th Meeting on Optical Engineering in Israel , Jerusalem, Israel , Sept. 22 , I. Shladov , and S. R. Rotman , eds., SPIE , pp. 196 – 201 . [2] Hemmati , H. , Biswas , A. , and Djordjevic , I. B. , 2011 , “ Deep-Space Optical...
Journal Articles
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...