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건축물에너지 저감을 위한 Phase change material(PCM) 적용에 대한 고찰
정수광(Jeong Su-Gwang),전지수(Jeon Jisoo),서정기(Seo Jungki),김수민(Kim Sumin) 한국건축친환경설비학회 2011 한국건축친환경설비학회 논문집 Vol.5 No.1
Recently, increasing the energy consumption has being environmental issue in the world. Also energy consumption ratio of building in total energy consumption is getting increasing. Therefore, development of building materials needs for energy saving. PCM (Phase change material) has a good potential because it stored heat energy as a form of latent heat during phase change. However, application of PCM as itself for building material is difficult due to its phase stability of liquid state. It can overcome through the microencapsulated PCM (MEPCM). A many studies had analyzed that PCM has good potential as application for various fields. This paper indicates the characterization of PCM for application of building material through the microencapsulated PCM.
축열 성능 향상 SSPCM 혼합 콘크리트 제조 및 열적특성 분석
정수광(Jeong Su-Gwang),장성진(Chang Seong Jin),임재한(Lim Jae-Han),김희선(Kim Hee-Sun),류성룡(Ryu Seong-Ryong),김수민(Kim Sumin) 한국태양에너지학회 2015 한국태양에너지학회 논문집 Vol.35 No.1
n-octadecnae based shape stabilized phase change material (SSPCM) was prepared by using vacuum impregnation method. And an exfoliated graphite nanoplate (xGnP) which has high thermal conductivity properties is used as a PCM container. And then we made heat storage concretes which contains SSPCM for reducing heating and cooling load in buildings. In the prepararion process, the SSPCM was mixed to a concrete as 10, 20 and 30wt% of cement weight. The thermal properties and chemical properties of heat storage concrete were analyzed from Scanning electron microscope (SEM), Fourier transformation infrared spectrophotometer (FT-IR), Deferential scanning calorimeter (DSC), Thermogravimetric analysis (TGA) and TCi thermal conductivity analyzer. And we conducted surface temperature analysis of SSPCM and xGnP by using heat plate and insulation mold.
건축적용을 위한 다공성 물질을 이용한 상안정 PCM 제조
정수광(Su-Gwang Jeong),유슬기(Seulgi Yu),장슬애(Seulae Jang),박진성(Jin-Sung Park),김태현(Taehyun Kim),이정훈(Jeong-Hun Lee),김수민(Sumin Kim) 대한설비공학회 2013 설비공학 논문집 Vol.25 No.8
The increase of greenhouse gas emission and decrease of fossil fuel are being caused by the indiscreet consumption of energy by people. Recently, green policy has been globally implemented to reduce energy consumption. This paper studied the research to reduce the energy consumption in buildings, by using the heat storage properties of PCM. PCM has to prevent leakage from the liquid state. Therefore, we prepared form stable PCM, by using the vacuum impregnation method. Three kinds of organic PCMs were impregnated into the structure of porous material. The characteristics of the composites were determined by using SEM, DSC, FTIR and TGA. SEM morphology showed the micro structure of silica fume/PCM. Also, thermal properties were examined by DSC and TGA analyses; and the chemical bonding of the composite was determined by FTIR analysis.