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Keywords: Efficiency
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Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. June 2025, 147(3): 031001.
Paper No: SOL-24-1175
Published Online: October 30, 2024
... TEF of 1.79 at Re = 10,000 and provided a maximum exergy efficiency of 11.2%. Table 1 Geometrical parameters of roughened SAH duct Geometrical parameters Values Inlet section of duct 245 mm Test section/Test chamber of duct 280 mm Outlet section of duct 115 mm Height...
Journal Articles
Accepted Manuscript
Dhafer Manea Hachim, Ahmed Al-Manea, Raed Al-Rbaihat, Qahtan A. Abed, Mohammed Sadiq, Raad Z. Homod, Ali Alahmer
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng.
Paper No: SOL-24-1157
Published Online: October 11, 2024
...: coj.dfr@atu.edu.iq Email: Dr.ahmed.Almanea@atu.edu.iq Email: rrbaihat@ttu.edu.jo Email: qahtan.abed@atu.edu.iq Email: Mohammed.Sadiq2020@yahoo.com Email: raadahmood@yahoo.com Email: aalahmer@tuskegee.edu Cooling Efficiency Energy photovoltaics simulation Accepted...
Journal Articles
Accepted Manuscript
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng.
Paper No: SOL-24-1033
Published Online: October 11, 2024
... balance between efficiency and cost. This work introduces a Bi-directional Long Short Term Memory (Bi-LSTM)-based Direct Normal Irradiance (DNI) prediction to estimate the time intervals for the tilt angle adjustments. DNI Prediction involves 22-year (2000–2022) historical time series data and the Bi-LSTM...
Journal Articles
Muhammad Hasnain Tariq, Taqi Ahmad Cheema, Farooq Khan, M. Mohib-Ur-Rehman, Muhammad Asif, Cheol Woo Park
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. April 2025, 147(2): 021002.
Paper No: SOL-22-1221
Published Online: August 29, 2024
... 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...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2024, 146(6): 061007.
Paper No: SOL-23-1214
Published Online: August 27, 2024
.... 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...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2024, 146(6): 061006.
Paper No: SOL-23-1337
Published Online: July 30, 2024
... 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...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. October 2024, 146(5): 051010.
Paper No: SOL-23-1281
Published Online: July 30, 2024
... 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...
Journal Articles
Habilou Ouro-Koura, Hyunjun Jung, Diana-Andra Borca-Tasciuc, Andrea E. Copping, Zhiqun (Daniel) Deng
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. October 2024, 146(5): 051007.
Paper No: SOL-23-1206
Published Online: June 13, 2024
... Graphical Abstract Figure simulation energy efficiency uncrewed underwater vehicles phase change material optimization clean energy renewable system Oceans are an important climate regulator [ 1 ] and hold enormous natural resources such as water, minerals (manganese nodules...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2024, 146(4): 041011.
Paper No: SOL-22-1243
Published Online: May 15, 2024
... 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...
Journal Articles
Journal:
Journal of Solar Energy Engineering
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
...) 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...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. October 2024, 146(5): 051001.
Paper No: SOL-23-1270
Published Online: March 25, 2024
... . 10.1109/JRPROC.1958.286932 [6] Meir , S. , Stephanos , C. , Geballe , T. , 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...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2024, 146(4): 041008.
Paper No: SOL-23-1219
Published Online: March 18, 2024
... Graphical Abstract Figure solar still nanofluids heat transfer thermal energy thermal exergy thermophysical properties photovoltaic carbon quantum dots clean energy collector conservation efficiency environment parabolic trough photovoltaics renewable storage sustainability...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. June 2024, 146(3): 031011.
Paper No: SOL-23-1157
Published Online: December 11, 2023
.... 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. Table 3 Instruments used to record the data Measurement type Sensor type Range Uncertainty...
Journal Articles
Journal:
Journal of Solar Energy Engineering
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
... 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...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. April 2024, 146(2): 021009.
Paper No: SOL-23-1079
Published Online: October 31, 2023
... 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...
Journal Articles
Journal:
Journal of Solar Energy Engineering
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
... coefficient is compared to that obtained for a traditional circular-shaped tube. Moreover, the energy balance model is adapted to simulate the thermal efficiency of the considered tubes as a function of the deviation angle with some assumptions. The obtained results prove that from a deviation angle value...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. April 2024, 146(2): 021003.
Paper No: SOL-23-1086
Published Online: September 27, 2023
... 09 08 2023 27 09 2023 CFD circular and triangular geometry pitch ratio height ratio heat transfer enhancement thermal performance clean energy efficiency renewable simulation solar sustainability A solar air heater (SAH) is one of the traditional solar collector...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. April 2024, 146(2): 021001.
Paper No: SOL-23-1014
Published Online: September 13, 2023
... achieved 4.4 kW of cooling and an overall COP of 0.48 with approximately 87% power cycle conversion efficiency, which recovered waste heat from diesel engines and other power cycles. Hu et al. [ 70 ] conducted the thermodynamic analysis of an ORC–VCC system driven by solar energy to make ice, achieving...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2023, 145(6): 061011.
Paper No: SOL-23-1093
Published Online: August 16, 2023
... on a typical summer day in Jeddah, we found that the integrated system could fulfill the cooling and power demands of the medical center under study with an exergetic efficiency of 53.97%. From an economics perspective, the integrated system was found to deliver cooling and power with average unit costs...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2023, 145(6): 061010.
Paper No: SOL-23-1085
Published Online: August 16, 2023
... if they were to operate separately to meet the same cooling load. In addition, the article investigates the impact of a performance-enhanced parabolic trough collector (PEPTC) on the thermal and exergetic efficiencies of the solar cooling system. By employing a PEPTC, the area required for the solar field...
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