...Adrian Alvarez Sanchez; Michael Pate A detailed research study was performed on the annual energy received by a fixed-tilt solar collector. A new clear-sky model of solar radiation was developed by combining existing clear-sky models. Then, this model, was used to perform optimizations with two...

...Bernhard W. Adams Concentrating solar power (CSP) facilities need to ensure alignment of all sun-tracking heliostats onto the sunlight receiver. A method is proposed to keep all heliostats in a CSP facility under closed-loop pointing control while also providing feedback on the detailed alignment...

...: harjit.singh@brunel.ac.uk Email: r.jalali@lcuck.ac.uk Email: maria.kolokotroni@brunel.ac.uk 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 . 11 08 2023...

...Ye Zhang; Fouad Haddad; Peiwen Li Molten salts are employed as the heat transfer fluid to carry the thermal energy from a solar receiver or a nuclear reactor for delivering to thermal storage systems or thermal power plants for power generation. For the startup operation, molten salts need...

...@nrel.gov Email: jsment@sandia.gov Email: kmarmij@sandia.gov Email: Matthew.Muller@nrel.gov Email: Mark.Mehos@nrel.gov Email: rcbrost@sandia.gov Email: maziar.arjomandi@adelaide.edu.au Contributed by the Solar Energy Division of ASME for publication in the J ournal of S olar E...

...Katherine Bassett; Rachel Silcox; Jeffrey D. Will; Sarah Hill; Paul Smith; Ben Smith; Brian Schmit; Luke J. Venstrom; Peter T. Krenzke We present a proof of concept demonstration of solar thermochemical energy storage on a multiple year time scale. The storage is fungible and can take the form...

...Yadaba Mahanand; Jnana Ranjan Senapati An experimental investigation is carried out to analyze the thermo-hydraulic characteristics of a triangular solar air heater duct having transverse ribs with gaps. The roughness parameters, such as non-dimensional pitch (P/e or P ¯ ) and non-dimensional...

...Anthony C. Ozurumba; N. V. Ogueke; C. A. Madu For organometallic halide solar cells (OHSC), it is expected that their performance in hot climates is to be challenged by high operating temperature conditions typical of these regions. This study explores, for the first time, the performance...

... the Performance of Solar Photovoltaic Water Pumping System by Water Cooling Over and Below the Photovoltaic Array ,” ASME J. Sol. Energy Eng. , 142 ( 2 ), p. 021005 . 10.1115/1.4044978 [9] Sainthiya , H. , Beniwal , N. S. , and Garg , N. , 2018 , “ Efficiency Improvement of a Photovoltaic...

...Mohamed Salim Djenane; Seddik Hadji; Omar Touhami; Abdel Halim Zitouni This paper proposes an investigation of a novel design of receiver absorber tube (circular–trapezoidal shaped) for parabolic trough concentrator (PTC) system aiming at catching a part of the lost (reflected) solar rays due...

...Seyyed Ali Sadat; Nicholas Vandewetering; Joshua M. Pearce Using bolts through the back of a solar photovoltaic (PV) module frames to attach them to racking is time consuming and awkward, so commercial PV installations use clamping technologies on the front. Conventional and proprietary clamps...

...Mohd Asjad Siddiqui This study offers a comprehensive assessment of the thermodynamic performance of a novel solar-based multigeneration system, which caters to the energy needs of a sustainable community by producing electricity, cooling, heating, and freshwater. The solar-based multigeneration...

...Tucker Farrell; Yue Cao; Frank Burkholder; Daniel Celvi; Christa Schreiber; Guangdong Zhu The National Renewable Energy Laboratory (NREL) has been conducting exposure experiments on solar reflectors for over four decades. Thousands of mirror samples from over 100 suppliers have been exposed...

...Sohan Lal Sharma; Ajoy Debbarma The roughness geometry has been introduced to improve the rate of heat transfer in a solar air heater duct. In the current work, circular and triangular shape geometries are used as roughness elements in the rectangular channel to enhance the thermal performance...

...Dylan C. McCord; Elizabeth J. Gager; Kangjae Lee; Anthony H. McDaniel; Juan C. Nino; Jonathan R. Scheffe Synthesis of solar thermochemical hydrogen (STCH) production redox materials with engineered structures, for example, replica foams, can enable efficient heat and mass transport and are critical...

...Abdulmajeed Alghamdi; S. A. Sherif The cogeneration system described in this paper is constructed based on a solar-assisted double-effect absorption cogeneration cycle with an adjustable cooling-to-power ratio. As a proposed technique to benefit from the ability to adjust the cooling-to-power ratio...

...Faisal Altwijri; S. A. Sherif; Abdulmajeed Alghamdi This article proposes an innovative approach to improve the performance of solar cooling systems by utilizing a cascaded absorption cooling (CAC) system. This article also examines the viability of coupling an NH 3 –H 2 O absorption system...

...Fouad Haddad; Peiwen Li The entropy generation minimization principle is used as the criterion to optimize the flow and heat transfer of solar collectors and heat exchangers that use molten salts NaCl–KCl–MgCl 2 and KCl–MgCl 2 . The Gnielinski correlation for the Nusselt number versus Reynolds...

... that a circular mirror is amenable to an inflated polymer construction, makes this configuration promising for low-cost, low-concentration solar thermal applications. With ω crit now determined from Eq. (28) , it may be substituted in place of ω rim in Eq. (26) to find r crit (29) r crit...

... Laboratory, Golden, CO. [2] Bisset , D. K. , 2022 , “ Piecewise-Focusing Collectors Reduce the Mirror Area in Concentrating Solar Thermal Power Plants ,” ASME J. Sol. Energy Eng. , 144 ( 5 ), p. 055001 . 10.1115/1.4054027 [3] “ National Solar Radiation Database ,” 2021. National...