Efficient stationary solar thermal collector systems operating at a medium-temperature range

Yong Sin Kim, Kevin Balkoski, Lun Jiang, Roland Winston

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

In this paper, a stationary solar thermal collector system using an evacuated glass and a counter-flow tube for medium is modeled, analyzed, fabricated, and tested. The proposed non-tracking system consists of an evacuated counter-flow type absorber paired with an external compound parabolic concentrators (XCPC) as a non-imaging reflector. This configuration allows the system to operate with a high solar thermal efficiency for medium working temperature (100-300. °C). Efficiencies for both East-West and North-South orientations are modeled and measured at various working temperatures. Simulation and experimental test results show that the proposed configuration outperforms other non-tracking solar thermal systems and can achieve more than 40% efficiency above 200. °C.

Original languageEnglish
Pages (from-to)1071-1079
Number of pages9
JournalApplied Energy
Volume111
DOIs
Publication statusPublished - 2013 Jan 1
Externally publishedYes

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Pipe flow
Temperature
Glass
Hot Temperature

Keywords

  • Collector
  • Compound parabolic concentrator
  • Counter-flow
  • Evacuated tube
  • Orientation
  • Solar thermal

ASJC Scopus subject areas

  • Energy(all)
  • Civil and Structural Engineering

Cite this

Efficient stationary solar thermal collector systems operating at a medium-temperature range. / Kim, Yong Sin; Balkoski, Kevin; Jiang, Lun; Winston, Roland.

In: Applied Energy, Vol. 111, 01.01.2013, p. 1071-1079.

Research output: Contribution to journalArticle

Kim, Yong Sin ; Balkoski, Kevin ; Jiang, Lun ; Winston, Roland. / Efficient stationary solar thermal collector systems operating at a medium-temperature range. In: Applied Energy. 2013 ; Vol. 111. pp. 1071-1079.
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