Experimental investigations on thermal performance characteristics of a solar cavity receiver

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Bopche Santosh B.; Kumar Shobhit

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING Year:2019 | Volume:10 | Issue:4 Page(s): 463-481

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Information Journal Paper

Title

Experimental investigations on thermal performance characteristics of a solar cavity receiver

Author(s)

Bopche Santosh B. | Kumar Shobhit

Keywords

Modified cavity receiver

Aperture/opening ratio

Collection efficiency

Inclination

Abstract

The experimentation is carried out to examine the influence of receiver Aperture/opening ratio (receiver’ s aperture diameter to the maximum diameter ratio, d/D), glass cover thickness and Inclination angle of cavity receiver on its Collection efficiency for various flow rates of ordinary water as a working fluid. Experimental tests have been conducted at lower incident energy, i. e., at lower cavity wall temperatures (less than 200 ° C). The aperture ratio examined encompasses values as 0. 46, 0. 6, 0. 7, and 0. 93 for water flowing at flows of 0. 8, 0. 65, 0. 5, and 0. 4 LPM that corresponds to Reynolds numbers (Re) of 1880, 1525, 1175, and 938, respectively. The glazing thicknesses of 6, 4, and 2 mm were provided at an aperture. A modified cavity-type receiver is made inclined at angles 90° , 60° , 45° , and 30° (with 90° as down-facing receiver opening and 30° as close to sideway-facing of receiver opening). The tests have been conducted for cavity surface temperatures ranging from 90° to 180 ° C. It is observed that an aperture ratio of 0. 6 demonstrates maximum receiver performance for the values of Reynolds number studied, while the receiver performance exhibited reducing trend with reduction in receiver tilting angle from 90° to 30° .

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APA: Copy

Bopche, Santosh B., & Kumar, Shobhit. (2019). Experimental investigations on thermal performance characteristics of a solar cavity receiver. INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING, 10(4), 463-481. SID. https://sid.ir/paper/327282/en

Vancouver: Copy

Bopche Santosh B., Kumar Shobhit. Experimental investigations on thermal performance characteristics of a solar cavity receiver. INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING[Internet]. 2019;10(4):463-481. Available from: https://sid.ir/paper/327282/en

IEEE: Copy

Santosh B. Bopche, and Shobhit Kumar, “Experimental investigations on thermal performance characteristics of a solar cavity receiver,” INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING, vol. 10, no. 4, pp. 463–481, 2019, [Online]. Available: https://sid.ir/paper/327282/en

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