Abstract

Solar thermal collectors are widely used worldwide mainly for hot water preparation at a low temperature (less than 80°C). Applications including many industrial processes and central air conditioning with absorption chillers, instead require lower-medium temperature heat (between 90°C and 150°C) to be driven when using solar thermal energy. The metal absorber glass vacuum tube collectors (MGVT) are developed for this type of applications. Current state-of-art and possible future technology development of MGVT are presented.

© 2010 Optical Society of America

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References

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  1. . W. Weiss, I. Bergmann, and G. Faninger, “Solar heat worldwide, Market and contribution to the Energy supply 2006,” edition 2008, IEA solar heating & cooling programme, May 2008, pp. 1.
  2. . C. Vannoni, R. Battisti, and S. Drigo, “Potential for solar heat in industrial processes,” published by Ciemat,Madrid 2008, pp. 2. This booklet was prepared as an account of work done within Task 33 “Solar Heat for Industrial Processes” of the IEA Solar Heating and Cooling Programme and Task IV of the IEA Solar PACES Programme.
  3. . SPF Solar technik Prufung Forschung test report, collectors, http://www.solarenergy.ch/spf.php? lang=en&fam=1&tab=1
  4. . Abosrber coatings, http://www.almeco-tinox.com/en/products/absorber
  5. . R. Winston, G. Diaz, A. Ritchel, A. Tovar, and J. Cisneros, “High temperature CPC collectors with Chinese vacuum tube receiver,” Proc. ISES Solar World Congress 2, 661–662 (2007).

Other (5)

. W. Weiss, I. Bergmann, and G. Faninger, “Solar heat worldwide, Market and contribution to the Energy supply 2006,” edition 2008, IEA solar heating & cooling programme, May 2008, pp. 1.

. C. Vannoni, R. Battisti, and S. Drigo, “Potential for solar heat in industrial processes,” published by Ciemat,Madrid 2008, pp. 2. This booklet was prepared as an account of work done within Task 33 “Solar Heat for Industrial Processes” of the IEA Solar Heating and Cooling Programme and Task IV of the IEA Solar PACES Programme.

. SPF Solar technik Prufung Forschung test report, collectors, http://www.solarenergy.ch/spf.php? lang=en&fam=1&tab=1

. Abosrber coatings, http://www.almeco-tinox.com/en/products/absorber

. R. Winston, G. Diaz, A. Ritchel, A. Tovar, and J. Cisneros, “High temperature CPC collectors with Chinese vacuum tube receiver,” Proc. ISES Solar World Congress 2, 661–662 (2007).

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Figures (3)

Fig. 1
Fig. 1

Typical MGVT structures.

Fig. 2
Fig. 2

R/Z company’s MGVT collector efficiency curve tested by SPF

Fig. 3
Fig. 3

MGVT collector model

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