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Assessment of the Thermo-Hydraulic Efficiency of an Indoor-Designed Jet Impingement Solar Thermal Collector Roughened with Single Discrete Arc-Shaped Ribs
This study illustrates the impact of single discrete arc-shaped ribs (SDASR)-type artificial roughness on the performance of a jet impingement solar thermal collector (JISTC). The impact of parametric variations of SDASR on the Nusselt number , friction factor , and thermohydraulic performance is examined. The spacer length () of the SDASR was changed from 0 mm to 300 mm in stages of 100 mm during the experiment. The fixed parameters of the SDASR were a relative discrete distance of 0.67, relative discrete width of 0.87, relative rib height of 0.047, relative rib pitch of 1.7, angle of an arc of 60°, jet diameter ratio of 0.065, streamwise pitch ratio of 1.72, and spanwise pitch ratio of 0.82. The Reynolds number was altered from 3000 to 19,000. The and of a JISTC with a roughened absorber plate was found to be enhanced by 5.25 and 5.98 times as compared to an STC without artificial roughness. The optimal findings of , and were achieved at = 0 mm. The maximum value of the obtained at = 0 mm was 2.9.
Assessment of the Thermo-Hydraulic Efficiency of an Indoor-Designed Jet Impingement Solar Thermal Collector Roughened with Single Discrete Arc-Shaped Ribs
This study illustrates the impact of single discrete arc-shaped ribs (SDASR)-type artificial roughness on the performance of a jet impingement solar thermal collector (JISTC). The impact of parametric variations of SDASR on the Nusselt number , friction factor , and thermohydraulic performance is examined. The spacer length () of the SDASR was changed from 0 mm to 300 mm in stages of 100 mm during the experiment. The fixed parameters of the SDASR were a relative discrete distance of 0.67, relative discrete width of 0.87, relative rib height of 0.047, relative rib pitch of 1.7, angle of an arc of 60°, jet diameter ratio of 0.065, streamwise pitch ratio of 1.72, and spanwise pitch ratio of 0.82. The Reynolds number was altered from 3000 to 19,000. The and of a JISTC with a roughened absorber plate was found to be enhanced by 5.25 and 5.98 times as compared to an STC without artificial roughness. The optimal findings of , and were achieved at = 0 mm. The maximum value of the obtained at = 0 mm was 2.9.
Assessment of the Thermo-Hydraulic Efficiency of an Indoor-Designed Jet Impingement Solar Thermal Collector Roughened with Single Discrete Arc-Shaped Ribs
Raj Kumar (author) / Erdem Cuce (author) / Sushil Kumar (author) / Sashank Thapa (author) / Paras Gupta (author) / Bhaskar Goel (author) / C. Ahamed Saleel (author) / Saboor Shaik (author)
2022
Article (Journal)
Electronic Resource
Unknown
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