... materials 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...

...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...

... in the J ournal of S olar E nergy E ngineering : I ncluding W ind E nergy and B uilding E nergy C onservation . 12 11 2022 19 04 2023 21 04 2023 19 05 2023 collector efficiency optics simulation solar solar tower thermal power The system advisor model...

... 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...

... C onservation . 21 05 2022 28 10 2022 28 10 2022 06 12 2022 parabolic trough solar collector rib arrangement thermal enhancement secondary reflector thermodynamic performance collector heat transfer optics solar solar receiver A parabolic trough...

... 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, or scattering, respectively) A = area C = optical cross...

...: c.vistas@fct.unl.pt Contributed by the Solar Energy 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 . 01 10 2021 19 05 2022 19 05 2022 13 06 2022 energy optics...

.... , 1957 , “ High-Power Solar Installations ,” Sol. Energy , 1 ( 1 ), pp. 6 – 12 . 10.1016/0038-092X(57)90049-X [10] Li , L. , Coventry , J. , Bader , R. , Pye , J. , and Lipiński , W. , 2016 , “ Optics of Solar Central Receiver Systems: A Review ,” Opt. Express , 24 ( 14...

...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...

... on the receiver surface as compared with SE and the traditional Azimuth-elevation (AE) method. 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...

...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...

... 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...

... 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...

... = heat pipe in = internal ins = insulation l = liquid max = maximum min = minimum op = optical ta = tank w = water wl = wall α = absorptivity/thermal diffusivity (m 2 s −1 ) α ge = transmittance–absorptance...

...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...

... 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...

... ind E nergy and B uilding E nergy C onservation . 31 05 2020 24 07 2020 24 07 2020 24 08 2020 solar energy PV panel tilt angles optimization local weather statistics yearly available maximum energy optics photovoltaics renewable solar The increasing...

... 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...

...-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...

...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...