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Keywords: measurement
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2024, 146(6): 061001.
Paper No: SOL-23-1167
Published Online: May 15, 2024
... for wind measurements, insufficient critical load cases for heliostat design, insufficient understanding of turbulence impacts on heliostat tracking error, lack of knowledge on wind load under various heliostat array configurations, and underexplored heliostat field wind-load reduction and operating...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2024, 146(4): 041010.
Paper No: SOL-23-1346
Published Online: April 29, 2024
... is strongly dependent on both incident light intensity, and the HP temperature variations as discussed in Sec. 1.2 and expressed mathematically in Eqs. (4) – (8) above. The effect of increasing incident light intensity at different HP long-axis tilt angles is reflected in the measurements of both I sc...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2024, 146(4): 041006.
Paper No: SOL-23-1058
Published Online: March 7, 2024
... 2024 Graphical Abstract Figure flow boiling enhanced tube composite structure performance factor two-phase flow enhanced heat transfer fluid flow measurement In the context of today's “double carbon” goal, the development of enhanced heat transfer technology provides...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2023, 145(6): 061012.
Paper No: SOL-22-1280
Published Online: October 4, 2023
... to and monitored in a range of relevant environments. These test conditions include outdoor test settings and several controlled laboratory environments. These samples have been rigorously individually characterized using a series of reflectance measurements, visual inspections and, in some cases, in-depth...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2023, 145(6): 061002.
Paper No: SOL-22-1080
Published Online: March 23, 2023
... to estimate the value of the state of the PV storage system from measurements of the PV generator voltage and current. The suggested technique is based on the quadratic Lyapunov function and does not employ a standard MPPT algorithm. Results show that the suggested control scheme has good tracking performance...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2023, 145(4): 041011.
Paper No: SOL-22-1138
Published Online: January 27, 2023
... is developed for the heat treatment of metal. This system includes an in situ waste heat recovery mechanism. This paper presents a Joule heating-based, controlled, experimental assessment of a laboratory-scale, retrofitted, SCF system for generating benchmark data. The reported measurements illustrate the heat...
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
... 2022 22 08 2022 22 08 2022 30 09 2022 liquid crystal thermography relative roughness pitch (P/e) relative staggered distance (d/e) thermo-hydraulic performance (THP) twisted V-shaped ribs absorber clean energy collector energy heat transfer measurement renewable solar...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2022, 144(6): 061002.
Paper No: SOL-21-1429
Published Online: June 6, 2022
... transfer characteristics and friction factors together. To measure the heat transfer enhancement with the reduced pressure drop, the thermal performance factor (TPF) is used [ 39 ]. It is given by (8) TPF = ( N u r N u s ) / ( f r f s...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Sol. Energy Eng. August 2022, 144(4): 044501.
Paper No: SOL-21-1339
Published Online: March 18, 2022
... of temperatures from 230 °C to 750 °C in concentrated solar thermal power systems. To conduct measurement of the heat transfer coefficient of the molten salt at high temperatures, a circulation system and instrumentation of flow and heat transfer was constructed. Experimental measurement of the convective heat...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. June 2022, 144(3): 031005.
Paper No: SOL-21-1281
Published Online: March 7, 2022
... of this research was to perform the outdoor characterization of three PV technologies in a tropical climate and evaluate their performances with the aid of a set of key performance indicators. An innovative energy autonomous outdoor test facility has been used to measure the weather conditions and the IV curves...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2022, 144(4): 041009.
Paper No: SOL-21-1278
Published Online: March 2, 2022
... clean energy environment measurement renewable Recently, renewable energy sources, especially wind, solar, and biomass, have drawn immense attention across the globe. Being one of the forefront players among renewable energy suppliers, wind energy has witnessed about 14% rise...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. April 2022, 144(2): 021011.
Paper No: SOL-21-1390
Published Online: January 13, 2022
... ncluding W ind E nergy and B uilding E nergy C onservation . 03 11 2021 24 11 2021 24 11 2021 13 01 2022 fouling wave element nonequilibrium thermal fluctuations continuity relation fluid flow mass transfer measurement The global energy demand is booming...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2022, 144(1): 011003.
Paper No: SOL-20-1346
Published Online: July 16, 2021
.... Fig. 11 Approaching mode parameters (Table 2 ) calculated using the cursor measurement feature of the scope Approaching mode parameters (Table 2) calculated using the cursor measurement feature of the scope Table 2 Approaching mode performance parameters in CSMC Parameters...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Sol. Energy Eng. December 2021, 143(6): 064501.
Paper No: SOL-20-1486
Published Online: May 12, 2021
... uilding E nergy C onservation . 25 11 2020 03 04 2021 04 04 2021 12 05 2021 efficiency energy measurement photovoltaics solar Photovoltaic (PV) systems bring high penetration capacity with low environmental impact [ 1 ]. A photovoltaic system is dependent...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. October 2021, 143(5): 051004.
Paper No: SOL-20-1387
Published Online: February 23, 2021
... satellites dedicated to perform total solar irradiance (TSI) measurements and to build a record of their behavior over the years, thus making these data essential for meteorology and climatology. In this study, we propose a simplified model to understand the thermal behavior of absolute radiometers, which...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2021, 143(4): 041001.
Paper No: SOL-20-1050
Published Online: November 2, 2020
... 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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. June 2021, 143(3): 031005.
Paper No: SOL-20-1175
Published Online: October 5, 2020
... the soiling loss rates of PV modules for different tilt angles measured during a period of 15 months in the Western Region of Saudi Arabia. We observe a strong correlation between weather parameters like humidity and wind speed and the mechanism of dust accumulation. Our measurements show that, for specific...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2021, 143(1): 011003.
Paper No: SOL-19-1438
Published Online: July 1, 2020
... indigenously using ATMEL MEGA 2560 and ATMEL 328 microcontrollers. The parameters measured were PV panel surface temperature, inlet and outlet air temperatures, PV current, and voltage. The parameters were also compared with those of a reference PV system to demonstrate the effect of cooling of PV panel on its...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2021, 143(1): 011006.
Paper No: SOL-20-1103
Published Online: July 1, 2020
... evaluated. The highest amount of pressure drop through the collector was measured in the collector with a 70-mm bed height and a maximum air flowrate. Email: rahelehnowzari@aydin.edu.tr Email: hasansaygin@aydin.edu.tr Email: loayaldabbagh@uomosul.edu.iq Contributed by the Solar Energy...