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1-17 of 17
Keywords: solar air heater
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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
...Pranjal Prasad Newar; Biplab Das A roughened solar air heater is developed numerically and experimentally with a novel roughness in the absorber. The roughness incorporated is a combination of rectangular and semi-circular ribs. The analysis is done to improve the thermal characteristics...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. June 2024, 146(3): 031010.
Paper No: SOL-23-1091
Published Online: December 11, 2023
...Sunirmit Verma; Ranjan Das A novel combination of an earth air tunnel (EAT) and a sensible thermal storage-aided solar air heater has been proposed when the sensible storage medium is taken to be rocks filled within the air flow passage. Both time-dependent and steady-state models are reported...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. June 2024, 146(3): 031005.
Paper No: SOL-23-1109
Published Online: November 10, 2023
...Ravi Shankar; Rajeev Kumar; Arun Kumar Pandey; Deep Singh Thakur To improve the thermal and hydraulic performance of artificially roughened solar air heaters (SAHs), the current study analyzes the thermal-hydraulic performance or thermal enhancement factor of artificially roughened solar air...
Journal Articles
Journal:
Journal of Solar Energy Engineering
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
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. October 2023, 145(5): 051005.
Paper No: SOL-22-1171
Published Online: February 16, 2023
...Harsh Katoch; Sushil Kumar Rathore; Chinmaya Mund Recently, many studies have reported that a curved solar air heater (CSAH) performs better than a conventional flat SAH without using any extra material. It only requires geometrical modification. The present investigation is a two-dimensional...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2023, 145(4): 041008.
Paper No: SOL-21-1286
Published Online: January 17, 2023
...Rambabu Dara; Pullarao Muvvala This paper reports the computational results of fluid flow and thermal characteristics in an isosceles trapezoidal solar air heater (SAH). By varying the base angle of the trapezoidal duct from 90 deg to 45 deg, six different models of solar air heater ducts...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2022, 144(6): 061013.
Paper No: SOL-20-1509
Published Online: September 26, 2022
...Sheetal Kumar Jain; Rohit Misra; Ghanshyam Das Agrawal In this article, thermal performance of a solar air heater (SAH) having broken arc-shaped ribs has been investigated experimentally, and then, performance parameters have been optimized. Study reveals that the use of artificial roughness...
Journal Articles
Journal:
Journal of Solar Energy Engineering
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
...Amit Kumar; Ajeet Pratap Singh; Akshayveer; O. P. Singh The increasing future energy demands can be met with solar-based devices such as solar air heaters (SAHs) only if the efficiency of these devices is enhanced with suitable design changes. Flow channel design of a SAH is an essential aspect...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2022, 144(1): 011001.
Paper No: SOL-21-1100
Published Online: June 29, 2021
...Supreme Das; Agnimitra Biswas; Biplab Das One of the ways to improve the performance of solar air heaters (SAHs) is to use jet impingement on the absorber plate to cause turbulence mixing of air in contact with the plate and thereby augment the heat transfer coefficient. Although the jet...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2021, 143(1): 011008.
Paper No: SOL-19-1365
Published Online: July 28, 2020
...G. K. Chhaparwal; Ram Dayal; Rahul Goyal; Ankur Srivastava This study presents the geometrical optimization of a solar air heater. A reasonable working range of geometrical parameters: length 1–3 m, width 0.1–0.5 m, and height 0.005–0.05 m (or aspect ratio 1–20), is investigated as per general...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2021, 143(1): 011004.
Paper No: SOL-19-1475
Published Online: July 1, 2020
...H. Sivarathinamoorthy; G. Sureshkannan This study presents the overall performance of a double-pass solar air heater (DPSAH) with three different configurations: (i) double-pass solar air heater without fins and heat storage (DPSAHWF), (ii) double-pass solar air heater with longitudinal fins...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. October 2020, 142(5): 051011.
Paper No: SOL-19-1374
Published Online: March 26, 2020
...Dhananjay Kumar; Laljee Prasad The use of artificial roughness is an efficient and commercial way to appreciate the thermal performance from the collector to the air in solar air heater ducts, for numerous applications such as space-heating, crop-drying, and seasoning of timber industrial purpose...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. June 2020, 142(3): 031007.
Paper No: SOL-19-1011
Published Online: January 21, 2020
... 2019 evacuated tube thermal analysis annual performance solar air heater exergy analysis PCM energy exergy heating solar The solar energy from the sun is available in abundance. In this manuscript, the evacuated tube solar air collector (ETSAC) along with phase change material...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2020, 142(1): 011012.
Paper No: SOL-18-1490
Published Online: September 6, 2019
...S. M. Shalaby; A. E. Kabeel; E. El-Bialy; M. K. Elfakharany Low thermal conductivity is the main drawback of using paraffin wax as a latent heat thermal storage material in the solar air heater (SAH). In order to overcome this drawback, an absorber plate with extended surfaces through the paraffin...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. February 2020, 142(1): 011003.
Paper No: SOL-19-1038
Published Online: July 11, 2019
...G. Raam Dheep; A. Sreekumar Solar air heaters (SAHs) are the simplest form of nonconcentrating thermal collectors. SAHs utilize solar thermal energy to increase the temperature of air for thermal applications of less than 80 °C. The energy efficiency of SAHs is significantly low due to poor...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. October 2019, 141(5): 051008.
Paper No: SOL-18-1360
Published Online: May 2, 2019
...M. S. Manjunath; K. Vasudeva Karanth; N. Yagnesh Sharma This paper presents a three-dimensional numerical analysis of a flat plate solar air heater in the presence of a pin fin array using the computational fluid dynamics (CFD) software tool ansys fluent 16.2. The effect of geometric parameters...
Journal Articles
Journal:
Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. June 2019, 141(3): 031016.
Paper No: SOL-18-1205
Published Online: December 24, 2018
... of Reynolds number. It is also observed from the analysis that for the helicoidal fin configuration of helicoidal pitch ratio of 0.2333, friction factor appears to be moderate. Flow and roughness parameters for roughened solar air heater have been optimized using thermal-hydraulic enhancement factor (THEF...