... is the solar receiver mounted on top of the solar tower, which absorbs the incident high-flux radiation and heats a heat transfer fluid. The proposed high-temperature solar receiver concept consists of a cavity containing a reticulated porous ceramic (RPC) structure for volumetric absorption of concentrated...

... natural circulation parabolic trough collector solar energy system absorber heat transfer mass transfer radiation Mersin Üniversitesi 10.13039/501100004172 2017-2-AP4-2584 Natural circulation systems are systems in which flow occurs due to the density difference created...

... absorber derived from billboard solar tower technology and operated with air as the heat transfer medium. Computational fluid dynamic models are developed based on an experimental campaign conducted at a solar furnace facility. The computational analyses indicated that employing the DP design instead...

... as an absorber having more exposed area to the sunlight with an ability to store 21 L of water inside it that serves as a sensible energy storage to mitigate the intermittency issues. At the stage of proof of concept, the effectiveness of the novel collector design is not known. Moreover, its performance...

... been proposed for the absorbing plate of SAHs. The Nusselt number, pressure loss pumping power, and friction factor were computed by experimental and numerical studies for three different arrangements of jets, i.e., 1 × 1 square, 2 × 2, and 3 × 3 jet array with three target plates, i.e., smooth...

... 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 . 13 03 2023 16 11 2023 16 11 2023 09 01 2024 thermo-hydraulic TSAHD Nusselt number friction factor thermal enhancement ratio absorber...

... to the strong flow of the air jet (input velocity of 5 m/s). Then, it gradually diffuses into the channel. Moreover, a vortex appeared at channel bends caused by the inertial centrifugal force of airflow. Again, the vortices cause a decrease in the heat transfer capacity between the fluid and the absorber due...

... nergy and B uilding E nergy C onservation . 13 03 2023 21 09 2023 23 09 2023 22 11 2023 segmented specular reflection cylindrical focal surface concentrating ratio area utilization rate heat collection efficiency absorber collector heating solar reactor system...

... fluids are essential in calculating the photo-thermal performance of the DASC system, as discussed in previous studies [ 14 , 54 , 55 ]. A Shimadzu 2600 UV-visible spectrophotometer obtained the absorbance spectra to study the optical characteristics of prepared heat transfer fluids. Figure 4 shows...

...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...

... ), pp. 1439 – 1448 . 10.1016/j.enconman.2010.09.037 [70] Patnaik , V. , Perez-Blanco , H. , and Ryan , W. A. , 1993 , “ A Simple Model for the Design of Vertical Tube Absorbers ,” Oak Ridge National Laboratory , Oak Ridge, TN , Report No. CONF-930675-7, https://www.osti.gov...

...Bibhrat Roy; Desireddy Shashidhar Reddy; Mohd. Kaleem Khan This paper investigates a solar air heater’s thermohydraulic and thermogeometric performances with an artificially roughened absorber plate with Joukowski airfoil ribs. The rib height and shape have a bearing on the overall performance...

... absorber collector optics parabolic trough radiation solar solar receiver Natural Sciences and Engineering Research Council of Canada 10.13039/501100000038 RGPIN-2019-06801 Solar energy constitutes an abundant, renewable, and equitable energy resource. Yet in 2019, with just shy...

... System With Reversed Absorber ,” Int. J. Food Eng. , 13 ( 11 ), pp. 1 – 11 . 10.1515/ijfe-2017-0081 [41] Saxena , G. , 2020 , “ Performance Evaluation and Drying Kinetics for Solar Drying of Hygroscopic Crops in Vacuum Tube Assisted Hybrid Dryer ,” ASME J. Sol. Energy Eng. , 142 ( 5...

... performance of the CPC–CPVT system is the non-uniform heat flux distribution on the absorber surface. In the present paper, detailed ray-tracing simulations have been carried out to understand the heat flux distribution characteristics of CPC with different geometrical conditions, and those are concentration...

... ind E nergy and B uilding E nergy C onservation . 30 01 2022 09 09 2022 09 09 2022 27 01 2023 absorber efficiency energy heat transfer solar receiver Solar Energy Technologies Program 10.13039/100006115 33869 Solid particle receivers...

...Faisal Altwijri; S. A. Sherif; Ahmed M. Alshwairekh This paper reports on a parametric investigation of the thermal enhancement of a double-reflector parabolic trough collector when employing an in-line mixed V-shape (IMVS) ribbed absorber tube. Three heat transfer fluids (HTFs) are investigated...

...Dheeraj Kumar; Apurba Layek An effort is made to study the performance of a solar air heater having the absorber surface roughened by providing staggered, twisted, and V-shaped ribs roughness. The liquid crystal thermography technique is applied to get the Nu distribution over the surface...

... is higher at low flowrates and high solar radiation intensity. Ma et al. [ 17 ] reported that absorber surface temperature of ETC with U-tube plays an important role in its thermal performance. Gao et al. [ 18 ] suggested maintaining optimum flowrate in WTTETC and ETC with a U-tube for stable operation...

... is kept constant. The channel design that gives the best performance was further investigated by incorporating a sinusoidal wavy absorber having variable wavy roughness parameters. The flow and heat transfer characteristics have been evaluated in terms of friction factor (f) and Nusselt number per unit...