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Keywords: Absorber
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2024, 146(4): 041007.
Paper No: SOL-23-1263
Published Online: March 7, 2024
... 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...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. June 2024, 146(3): 031006.
Paper No: SOL-23-1064
Published Online: November 22, 2023
... 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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. June 2024, 146(3): 031002.
Paper No: SOL-23-1054
Published Online: October 31, 2023
... 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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. June 2024, 146(3): 031001.
Paper No: SOL-22-1309
Published Online: October 31, 2023
...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...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2024, 146(1): 011004.
Paper No: SOL-22-1252
Published Online: July 18, 2023
...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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2024, 146(1): 011002.
Paper No: SOL-22-1178
Published Online: May 25, 2023
... 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...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. October 2023, 145(5): 051007.
Paper No: SOL-22-1274
Published Online: February 20, 2023
... 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...
Topics: Heat flux
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2023, 145(4): 041004.
Paper No: SOL-22-1277
Published Online: December 26, 2022
...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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. April 2023, 145(2): 021013.
Paper No: SOL-22-1167
Published Online: September 30, 2022
...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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. April 2023, 145(2): 021004.
Paper No: SOL-21-1166
Published Online: August 18, 2022
... 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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. October 2022, 144(5): 051009.
Paper No: SOL-21-1169
Published Online: May 10, 2022
... 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...
Journal Articles
Publisher: ASME
Article Type: Design Innovation Paper
J. Sol. Energy Eng. October 2022, 144(5): 055001.
Paper No: SOL-21-1304
Published Online: March 22, 2022
... with little spillage at all sun elevations. With an area of 10–20 times larger than the cavity entrance, the absorber functions at peak temperatures that are within range of standard stainless steel tubing, despite using a gaseous HTF. Reflectors of PWF collectors have significantly better cosine factors than...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. October 2022, 144(5): 051001.
Paper No: SOL-21-1393
Published Online: March 18, 2022
... the dehumidification effectiveness of plastic and metallic surfaces of adiabatic/nonadiabatic falling film tower by incorporating the wetting factor and sensible cooling information in the correlation equation. The new approach takes into account the sensible cooling (nonadiabatic absorber) of the desiccant solution...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. April 2022, 144(2): 021006.
Paper No: SOL-21-1165
Published Online: November 25, 2021
...Hamed Abedini; Nesrin Ozalp Carbon particles can be used as catalyst in solar reactors where they serve as radiant absorbent and nucleation sites for the heterogeneous decomposition reaction. Unlike commonly used metal catalysts, carbon catalyst does not have durability problem and high cost...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2022, 144(1): 011011.
Paper No: SOL-21-1152
Published Online: October 6, 2021
... (prepared by dispersing functionalized carbon soot nanoparticles extracted from used engine oil into paraffin oil) having high solar weighted absorptivity has been employed to volumetrically absorb the incident solar energy. This additional absorbed solar energy is provided to the solar still by circulating...