...Chenyu Lou; Huiru Gao; Shuai Xu; Liya Zhu The optimal design of heliostat field is one of the fundamental issues in concentrated solar power generation. Due to the complexity of computing the shading and blocking, the accurate computation of optical efficiency of the heliostat field requires high...

... collector (OISC). The optimization of the dryer tilt enhances the greenhouse effect within the drying cabinet, leading to increased solar radiation intensity during the drying process. The increased total solar radiation input facilitates a more efficient drying rate by elevating both the internal air...

... of the computations is based on the hourly matching of the electric power demand with solar energy supply considering the improved efficiency and conservation measure effects in the building. The aim is to determine the effect of efficiency measures on required infrastructure (nominal power, required storage...

...Ahmad Alqatamin; Jinzhan Su; Omar Ali Al-Khashman Photovoltaic (PV) systems convert solar energy into electricity with about 20% efficiency, while the remaining 80% dissipates as heat, reducing performance. Maintaining PV cells near 25 °C is crucial to avoid efficiency losses. This study explores...

... of nearly 0.18 m 2 . In these tropical conditions, the maximum thermal efficiency achieved was 66% without particulate matter and 61% with particulate matter treatment (PMT), which simulated the accumulation of particles on the evacuated tube's surface. The introduction of PMT on the evacuated tube's outer...

... ratio optimization clean energy efficiency optics simulation solar dish solar tower system It is well known that the ideal shape of a focusing heliostat in a solar tower power plant is the local section of a fictitious paraboloïd whose focus is located at the center of the solar receiver...

... the impact of integrating a heat exchanger at the back of a PV solar panel for cooling purposes. The results of the experimental measurements and the numerical analysis agreed well. According to the findings, the PV solar panel's temperature was reduced by 20% while boosting the solar PV panel's efficiency...

... TEF of 1.79 at Re = 10,000 and provided a maximum exergy efficiency of 11.2%. 1 Corresponding author. Email: mechpranjalnewar@gmail.com Email: bpd@mech.nits.ac.in Contributed by the Solar Energy Division of ASME for publication in the J ournal of S olar E nergy E ngineering : I...

... study using the real-time data of ambient temperature and solar irradiative flux. The results of the numerical study are used to calculate the derived parameters such as Nusselt number, heat losses, and collector thermal efficiency by varying the water flowrate. The study shows that the heat transfer...

.... The technology can be retrofitted into existing CSP facilities to improve operational efficiency, and it can be used to relax the stability requirements of heliostats, and thus their cost, in the planning of new ones. Email: bernhard@bernhard-adams.com Contributed by the Solar Energy Division of ASME...

... scenarios: business as usual (BAU), continuous improvement scenario (CIS), and accelerated improvement scenario (AIS). BAU scenario assumes that the current energy efficiency ratio (EER) of 11.8 BTU/Wh is maintained until 2030. CIS considers a 5% EER improvement in new AC stock every two or five years...

... the published form of this work, or allow others to do so, for United States government purposes. 08 12 2023 04 03 2024 06 03 2024 30 07 2024 Graphical Abstract Figure heliostat composites structural components clean energy collector efficiency environment...

... difference (Pa) Δ V = volume difference (m 3 ) η = energy conversion efficiency ρ = density (kg/m 3 ) τ = torque (N · m) ω = angular velocity (rad/s) m = hydraulic motor G = gas avg...

... into the factors which impact the particle egress and the receiver's efficiency. Particle temperature, receiver flow configuration, and wind speed were found to be the most impactful factors in the study. 1 Corresponding author. Email: jdortega4@unm.edu Email: ckho@sandia.gov Email: guilleanaya...

...) are devices that efficiently transfer heat from the evaporator to the condenser. The inclination angle of wicked, liquid-filled HP's long-axis determines how well it cools, as an effect of the gravitational force acting on the condensed liquid. This study investigates the effect of tilting the HP long-axis...

.... , and Mannhart , J. , 2013 , “ Highly-Efficient Thermoelectronic Conversion of Solar Energy and Heat Into Electric Power ,” J. Renew. Sustain. Energy , 5 ( 4 ), p. 043127 . 10.1063/1.4817730 [7] Hatsopoulos , G. , and Kaye , J. , 1958 , “ Measured Thermal Efficiencies of a Diode...

... ,” Desalination , 397 ( 21 ), pp. 75 – 91 . 10.1016/j.desal.2016.06.021 [5] Alklaibi , A. M. , Sundar , L. S. , and Sousa , A. C. M. , 2021 , “ Experimental Analysis of Exergy Efficiency and Entropy Generation of Diamond/Water Nanofluids Flow in a Thermosyphon Flat Plate Solar Collector...

.... The energy efficiency ratio has a maximum value of 6.1, with an average of 4.3, whereas the thermal COP has an average of 0.35 and a maximum value of 0.52 when run with thermal energy storage alone. 1 Corresponding author. Email: dinesh.sharma@skit.ac.in Email: dsharma.mech@mnit.ac.in Email...

... about 10.4 °C higher temperature gains in concentrating DASC system, and the photo-thermal efficiency was enhanced up to 40% as compared to base fluid water. The study demonstrates the advantage of an eco-friendly, low cost, and highly stable hybrid heat transfer fluid as a potential candidate...

... temperature, Reynolds number, nanoparticle size, and concentration in order to record the subsequent effects on the deposition efficiency, heat transfer coefficient, and pressure drop. There is no direct particle deposition model available in commercial computational packages such as fluent , so a deposition...