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논문 기본 정보

자료유형
학술저널
저자정보
이효진 (Hanbat National Univ)
저널정보
한국생태환경건축학회 KIEAE Journal KIEAE Journal Vol.17 No.3(Wn.85)
발행연도
2017.6
수록면
107 - 112 (6page)

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Purpose: Both silica gel and activated carbon black particles were adopted for use as PCM absorbed porous media applicable as construction materials. To investigate usable methods for absorbing PCM into the media, they were soaked into PCM and also tested for enhancement of PCM absorption into them. Method: To test PCM absorption into some porous media such as both φ1 ∼ 2mm and 10 μm silica gels, and 50 μm activated carbon black, 43℃ PCM was used as a laten heat material. The method, soaking into PCM was applied to this study, and the media were moderately rotated by centrifuge to have the extra PCM flow out. DSC analysis was conducted to investigate the melting and solidifying of the PCM absorbed into the porous media. Result: It was found that PCM was absorbed into the porous media by over 85 wt% of all particles. In addition, it was noted that the ultrasonic vibrator was accelerating the PCM absorption into the particles to three times higher speed than simple soaking. Centrifuge was adopted to remove extra PCM sticking on the particle surfaces and extra PCM was moderately removed from the surfaces of the particles. DSC analysis indicated that the latent heat of the absorbed PCM particles was 160 J/g, and the melting temperature was approximately 40℃~50℃.

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ABSTRACT
1. 서론
2. 실험방법 및 결과
3. 결과 및 토의
4. 결론
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