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논문 기본 정보

자료유형
학술대회자료
저자정보
박한빛 (한밭대학교) 윤린 (한밭대학교)
저널정보
대한설비공학회 대한설비공학회 학술발표대회논문집 대한설비공학회 2013년도 동계학술발표대회
발행연도
2013.11
수록면
51 - 54 (4page)

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In-tube convective heat transfer coefficient and pressure drop of the CO₂-hydrate and gas/water mixture was investigated in this study. The CO₂-hydrate was formed by injecting water to high pressure gas-state CO₂, and the CO₂-hydrate and water mixture went through double-tube type test section. The test tube was made of stainless steel, and length of test section and diameter of inner tube was 4.0 m, 9.52 mm, respectively. The inlet pressure of CO₂ before mixing part was maintained around 2.0 MPa, and mole fraction of CO₂-hydrate in the mixture was controlled by amount of water injection. The CO₂-hydate mole fraction at test section inlet ranged from 0.4 to 0.65. The formation of CO₂-hydrate was verified by rising temperature of the mixture after mixing under adiabatic condition. Phase equilibrium of CO₂-hydrate was checked by inlet pressure and temperature of the mixture too. The in-tube heat transfer coefficient of the mixture ranged from 2400 to 3000 W/m2K, and the pressure drop was from 30 to 50 kPa.

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3. 결과 및 고찰
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UCI(KEPA) : I410-ECN-0101-2015-550-001119328