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Keywords: optics
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Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Sol. Energy Eng.
Paper No: SOL-21-1352
Published Online: May 26, 2022
... Contributed by the Solar Energy Division of ASME for publication in the J ournal of S olar E nergy E ngineering . 01 10 2021 19 05 2022 19 05 2022 26 05 2022 Energy optics Radiation solar solar dish Fundação para a Ciência e a Tecnologia 10.13039/501100001871...
Journal Articles
Article Type: Design Innovation Paper
J. Sol. Energy Eng. October 2022, 144(5): 055001.
Paper No: SOL-21-1304
Published Online: March 22, 2022
... opening), the heat losses can be made quite small while the absorber area is large enough to handle heat transfer to a compressed gas. The assessment of collector optical performance in the sections above depended on the size and shape of the receiver to be used, and as noted, a big advantage...
Journal Articles
Article Type: Technology Review
J. Sol. Energy Eng. June 2022, 144(3): 030906.
Paper No: SOL-21-1321
Published Online: March 18, 2022
...William T. Hamilton; Michael J. Wagner; Alexander J. Zolan solarpilot is a software package that generates solar field layouts and characterizes the optical performance of concentrating solar power (CSP) tower systems. solarpilot was developed by the National Renewable Energy Laboratory (NREL...
Journal Articles
Article Type: Technical Briefs
J. Sol. Energy Eng. April 2022, 144(2): 024503.
Paper No: SOL-21-1266
Published Online: January 27, 2022
... Different Sun-Tracking Methods in Optical Efficiency of Heliostat Field ,” Int. J. Photoenergy , 2012 , pp. 1 – 10 . 10.1155/2012/908364 [12] Chen , Y. T. , Lim , B. H. , and Lim , C. S. , 2006 , “ General Sun Tracking Formula for Heliostats With Arbitrarily Oriented Axes ,” ASME J...
Journal Articles
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
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
Article Type: Research Papers
J. Sol. Energy Eng. December 2021, 143(6): 061004.
Paper No: SOL-20-1516
Published Online: June 1, 2021
.... The feasibility of TEM 00 mode solar laser power delivery by hollow-core photonic crystal fibers was finally studied. collector efficiency optics simulation solar A solar-pumped laser is nearly as old as the solid-state laser itself [ 8 ]. Since sunlight does not provide enough flux to initiate...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. December 2021, 143(6): 061001.
Paper No: SOL-20-1320
Published Online: April 23, 2021
... 2021 23 04 2021 annular space size filling gas inert gases parabolic trough solar collector optical efficiency thermal efficiency optimal gap cost-effectiveness absorber collector conservation efficiency energy heat transfer heating optics parabolic trough radiation...
Journal Articles
Article Type: Technical Briefs
J. Sol. Energy Eng. October 2021, 143(5): 054501.
Paper No: SOL-20-1323
Published Online: March 16, 2021
...Saboor Shaik; Manvendra Bhardwaj; Somya Agarwal; Raja Sekhar Yendaluru; Md. Hasanuzzaman; K. V. Sharma The energy gain of domestic solar water heating systems is determined by solar to thermal energy conversion and glazing optical efficiency. For this study, solar transmission properties...
Journal Articles
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
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
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
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
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...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. October 2018, 140(5): 051012.
Paper No: SOL-17-1159
Published Online: June 18, 2018
... Clean energy Conservation Optics Testing Use of daylight in a building is a very old practice; however, daylight has been neglected for the last few decades due to the advent of artificial lighting systems. The current scenario of environmental and economic issues, related to conventional...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. October 2018, 140(5): 051007.
Paper No: SOL-17-1402
Published Online: May 29, 2018
.... The system is a linear focusing solar system intended to be used for applications across a broad range of industrial sectors for generating medium temperature heat up to 250 °C. The Monte Carlo ray tracing method was used to predict the optical performances of the receiver. We have developed a simplified...
Journal Articles
Article Type: Design Innovation Paper
J. Sol. Energy Eng. August 2018, 140(4): 045001.
Paper No: SOL-18-1003
Published Online: April 13, 2018
... surface normal vector of 24.5 deg. Design simulations predicted that the peak flux of this HFSS would be 2980 kW th /m 2 , with a total power delivered to a 6-cm target of 3.3 kW th , for a transfer efficiency of 33.3%. Experimental characterization of the HFSS using optical flux mapping and calorimetry...
Journal Articles
Article Type: Technical Briefs
J. Sol. Energy Eng. June 2018, 140(3): 034502.
Paper No: SOL-17-1233
Published Online: March 13, 2018
...Julian D. Hertel; Francesc Bonnín-Ripoll; Víctor Martínez-Moll; Ramón Pujol-Nadal The set of optical models that is implemented in ray-tracing software determines the accuracy of its output. A sensitivity analysis was carried out using a powerful in-house program, which provides a large number...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. June 2018, 140(3): 031006.
Paper No: SOL-17-1319
Published Online: February 27, 2018
... at the infrared (IR) wavelengths to minimize heat loss. Radiative properties of these coatings depend on coating thickness, pigment size, concentration, and the optical properties of binder and pigment materials, and a unified radiative transfer model of the pigmented coatings is developed in order to understand...
Journal Articles
Article Type: Research-Article
J. Sol. Energy Eng. April 2018, 140(2): 021012.
Paper No: SOL-17-1228
Published Online: February 20, 2018
...Sean Lawless; Ravi Gorthala The primary objective of this study was to develop a fiber-optic hybrid day-lighting system for mobile application such as military shelters in order to cut energy use and the use of fossil fuels. The scope included the design, development, and testing of a hybrid...