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Research Papers

Phase Change Material Sandwich Panels for Managing Solar Gain in Buildings

[+] Author and Article Information
Yeliz Konuklu

Faculty of Arts and Sciences, Cukurova University, 01330 Adana, Turkey

Halime Ö. Paksoy

Faculty of Arts and Sciences, Cukurova University, 01330 Adana, Turkeyhopaksoy@cu.edu.tr

J. Sol. Energy Eng 131(4), 041012 (Sep 30, 2009) (7 pages) doi:10.1115/1.3197839 History: Received January 04, 2009; Revised July 06, 2009; Published September 30, 2009

In this study, a phase change material (PCM) sandwich panel was developed and tested to evaluate the resulting decrease in heating and cooling loads of a test cabin in Adana, Turkey, where Mediterranean climate prevails. The panel was formed by a macropackage of microencapsulated PCM layer together with an insulation panel. Two different PCMs, with melting points 26°C and 23°C, were used in the panel. Temperature distribution in the cabin was measured for four different cases. In summer, the maximum average temperature reduction achieved in the cabin was 2.5°C when only the PCM was used. This corresponded to a summer cooling load reduction of 7%. In winter, the maximum average temperature increase achieved in the cabin was 2.2°C with the PCM sandwich panel. The winter heating load was decreased by 17%. Energies conserved in cooling and heating were calculated as 186 kWh/year and 206 kWh/year, respectively.

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Copyright © 2009 by American Society of Mechanical Engineers
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References

Figures

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Figure 1

Differential scanning calorimeter analysis results for Micronal 5001 and Micronal 5008

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Figure 2

(a) Powdered Micronal PCM on aluminum foil and (b) PCM macropackages

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Figure 3

North-west view of the test cabin

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Figure 4

PCM sandwich panels installed in the test cabin

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Figure 5

Comparison of outdoor temperatures for the four cases in summer. Empty: without a PCM sandwich panel, PCM: with only PCM macropackages, IM+PCM: with a PCM sandwich panel, and IM: with only an insulation panel.

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Figure 6

Comparison of outdoor temperatures for the four cases in winter. Empty: without a PCM sandwich panel, PCM: with only PCM macropackages, IM+PCM: with a PCM sandwich panel, and IM: with only an insulation panel.

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Figure 7

Air temperature distribution at the center of the cabin in summer. Empty: without a PCM sandwich panel, PCM: with only PCM macropackages, IM+PCM: with a PCM sandwich panel, and IM: with only an insulation panel.

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Figure 8

Air temperature distribution at the center of the cabin in winter. Empty: without a PCM sandwich panel, PCM: with only PCM macropackages, IM+PCM: with a PCM sandwich panel, and IM: with only an insulation panel.

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