Open Daily: 10am - 10pm | Alley door pickup 10am - 7pm 3038 Hennepin Ave Minneapolis, MN
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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Enhancement of Heat Transfer in Solar Air Heater

Enhancement of Heat Transfer in Solar Air Heater

Singh, Gurpreet
Singh, Mandeep
Singh Gill, Kulbir

Paperback

Physics

ISBN10: 6206178897
ISBN13: 9786206178897
Publisher: LAP Lambert Academic Publishing
Published: Jun 30 2025
Pages: 104
Weight: 0.33
Height: 0.25 Width: 6.00 Depth: 9.00
Language: English
An investigation is done in relation to heat transfer enhancement in solar air heaters with circular V-shaped down ribs. Ribs were attached to the absorber plate, having an angle of attack (α= 60 ⁰). The ratio of rib height to hydraulic diameter (e/D) was 0.047, while the range of rib pitch-to-height ratio was (P/e = 4, 8, and 16) mm for three different sheets, with the Reynolds number ranging from (Re = 1825-7759). The roughened wall of the duct is heated by direct sunlight, while the remaining three walls are insulated. The concept of a V-shaped rib was developed to capitalise on this span-wise variation of heat transfer for inclined ribs. The V-shaped rib reduced the span-wise variation of heat transfer and increased average heat transfer.

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