An Experimental Investigation on multi-V and protrusion element on absorber plate of solar air heater

In this paper, an experimental based performance analysis of solar air heater having absorber plate roughened with combination of multi-V and protrusion shape geometry has been reported. The effect of multi-V with protrusion type and multi-V with protrusion arc type on convective heat transfer and f...

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Bibliographic Details
Published in:Energy sources. Part A, Recovery, utilization, and environmental effects Recovery, utilization, and environmental effects, 2020-11, Vol.42 (22), p.2742-2750
Main Authors: Sharma, Sanjay, Dutta, Varun, Eswaramoorthy, M.
Format: Article
Language:English
Subjects:
multi-V with protrusion
roughness
Solar air heater
thermohydraulic performance
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Summary:In this paper, an experimental based performance analysis of solar air heater having absorber plate roughened with combination of multi-V and protrusion shape geometry has been reported. The effect of multi-V with protrusion type and multi-V with protrusion arc type on convective heat transfer and friction parameters has been discussed with varying Reynolds number from 10,000 to 16,000. The thermohydraulic performance of solar air heater is also determined and compared with already investigated roughened absorber plates. The multi-V with protrusion type geometry found maximum value of Nusselt number and thermohydraulic performance at higher value of Reynolds number.
ISSN:1556-7036
1556-7230
DOI:10.1080/15567036.2019.1618986