Numerical analysis of a convex corrugated solar absorber plate configuration for enhanced heat transfer characteristics

Research output: Contribution to journalArticle

Abstract

Generally, a solar absorber plate is a flat surface underneath which absorber tubes are integrated. In the present work a new design is proposed for the absorber plate that is modified with periodic convex geometry so as to increase the surface area for heat absorption. It is found from the analysis that both the absorber plate temperature and the water temperature in the absorber tube show marked improvement for the case of corrugated absorber plate geometry. It is also observed that a lower mass flow rate through the absorber tube provides for a relatively larger temperature rise due to increased heat transfer area for heat absorption. It is inferred that the water temperature in the absorber tube show a significant rise all along the length of the absorber tube for the case of corrugated plate demonstrating the efficacy of the modified geometry of the absorber plate.

Original languageEnglish
Pages (from-to)708-713
Number of pages6
JournalInternational Journal of Earth Sciences and Engineering
Volume6
Issue number4
Publication statusPublished - 01-12-2013

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Solar absorbers
heat transfer
Numerical analysis
Heat transfer
geometry
water temperature
Geometry
Temperature
surface area
temperature
Water
Flow rate
analysis

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Civil and Structural Engineering
  • Building and Construction
  • Ocean Engineering
  • Earth and Planetary Sciences(all)

Cite this

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title = "Numerical analysis of a convex corrugated solar absorber plate configuration for enhanced heat transfer characteristics",
abstract = "Generally, a solar absorber plate is a flat surface underneath which absorber tubes are integrated. In the present work a new design is proposed for the absorber plate that is modified with periodic convex geometry so as to increase the surface area for heat absorption. It is found from the analysis that both the absorber plate temperature and the water temperature in the absorber tube show marked improvement for the case of corrugated absorber plate geometry. It is also observed that a lower mass flow rate through the absorber tube provides for a relatively larger temperature rise due to increased heat transfer area for heat absorption. It is inferred that the water temperature in the absorber tube show a significant rise all along the length of the absorber tube for the case of corrugated plate demonstrating the efficacy of the modified geometry of the absorber plate.",
author = "Manjunath, {M. S.} and {Vasudeva Karanth}, K. and {Yagnesh Sharma}, N.",
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T1 - Numerical analysis of a convex corrugated solar absorber plate configuration for enhanced heat transfer characteristics

AU - Manjunath, M. S.

AU - Vasudeva Karanth, K.

AU - Yagnesh Sharma, N.

PY - 2013/12/1

Y1 - 2013/12/1

N2 - Generally, a solar absorber plate is a flat surface underneath which absorber tubes are integrated. In the present work a new design is proposed for the absorber plate that is modified with periodic convex geometry so as to increase the surface area for heat absorption. It is found from the analysis that both the absorber plate temperature and the water temperature in the absorber tube show marked improvement for the case of corrugated absorber plate geometry. It is also observed that a lower mass flow rate through the absorber tube provides for a relatively larger temperature rise due to increased heat transfer area for heat absorption. It is inferred that the water temperature in the absorber tube show a significant rise all along the length of the absorber tube for the case of corrugated plate demonstrating the efficacy of the modified geometry of the absorber plate.

AB - Generally, a solar absorber plate is a flat surface underneath which absorber tubes are integrated. In the present work a new design is proposed for the absorber plate that is modified with periodic convex geometry so as to increase the surface area for heat absorption. It is found from the analysis that both the absorber plate temperature and the water temperature in the absorber tube show marked improvement for the case of corrugated absorber plate geometry. It is also observed that a lower mass flow rate through the absorber tube provides for a relatively larger temperature rise due to increased heat transfer area for heat absorption. It is inferred that the water temperature in the absorber tube show a significant rise all along the length of the absorber tube for the case of corrugated plate demonstrating the efficacy of the modified geometry of the absorber plate.

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