Evaluating the Performance and Economics of Transpired Solar Collectors for Commercial Applications: Preprint

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Using transpired solar collectors to preheat ventilation air has recently become recognized as an economic alternative for integrating renewable energy into commercial buildings in heating climates. The collectors have relatively low installed costs and operate on simple principles. Theory and performance testing have shown that solar collection efficiency can exceed 70% of incident solar. However, implementation and current absorber designs have adversely affected the efficiency and associated economics from this initial analysis. The National Renewable Energy Laboratory has actively studied this technology and monitored performance at several installations. A calibrated model that uses typical meteorological weather data to determine absorber ... continued below

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17 p.

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Kozubal, E.; Deru, M.; Slayzak, S.; Norton, P.; Barker, G. & McClendon, J, July 1, 2008.

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Description

Using transpired solar collectors to preheat ventilation air has recently become recognized as an economic alternative for integrating renewable energy into commercial buildings in heating climates. The collectors have relatively low installed costs and operate on simple principles. Theory and performance testing have shown that solar collection efficiency can exceed 70% of incident solar. However, implementation and current absorber designs have adversely affected the efficiency and associated economics from this initial analysis. The National Renewable Energy Laboratory has actively studied this technology and monitored performance at several installations. A calibrated model that uses typical meteorological weather data to determine absorber plate efficiency resulted from this work. With this model, an economic analysis across heating climates was done to show the effects of collector size, tilt, azimuth, and absorptivity. The analysis relates the internal rate of return of a system based on the cost of the installed absorber area. In general, colder and higher latitude climates return a higher rate of return because the heating season extends into months with good solar resource.

Physical Description

17 p.

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  • To be presented at the 2008 ACEEE Summer Study on Energy Efficiency in Buildings, 17-22 August 2008, Pacific Grove, California

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  • Report No.: NREL/CP-550-43305
  • Grant Number: AC36-99-GO10337
  • Office of Scientific & Technical Information Report Number: 935586
  • Archival Resource Key: ark:/67531/metadc895479

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • July 1, 2008

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

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  • April 3, 2017, 8:43 p.m.

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Kozubal, E.; Deru, M.; Slayzak, S.; Norton, P.; Barker, G. & McClendon, J,. Evaluating the Performance and Economics of Transpired Solar Collectors for Commercial Applications: Preprint, article, July 1, 2008; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc895479/: accessed April 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.