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논문 기본 정보

자료유형
학술저널
저자정보
임태우 (한국해양대학교) 최용석 (한국해양대학교)
저널정보
한국수산해양교육학회 수산해양교육연구 수산해양교육연구 제32권 제4호(통권 제106호)
발행연도
2020.8
수록면
935 - 943 (9page)
DOI
10.13000/JFMSE.2020.8.32.4.935

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초록· 키워드

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In this study, the thermal design of the evaporator and condenser in the ORC system using the jacket cooling water as the high temperature heat source and the cooling heat of LNG as the low temperature heat source was carried out. R134a was used as the working fluid for the ORC system. In the case of the evaporator, Shah"s correlation shows the lowest heat transfer coefficient among the two-phase flow heat transfer coefficients in tubes obtained from the literature. It was found that the contribution of nuclear boiling in the low quality region was dominant. Kandlikar"s correlation also showed the contribution of nuclear boiling. As the quality is increased, the contribution of convective evaporation was not significant. Lim"s correlation showed the highest heat transfer coefficient, and the contribution of nuclear boiling in the whole quality region was not as large as that of convective evaporation. Therefore, the total heat transfer surface area of the evaporator was the highest when obtained from Shah"s correlation. Low value was obtained when obtained from the correlation of Lim. In the condenser, the shell-side heat transfer coefficient obtained from Nusselt analysis was the lowest, followed by Kern and Eissenberg. The heat transfer surface area of the condenser showed the highest when obtained from Nusselt analysis.

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Abstract
Ⅰ. 서론
Ⅱ. 연구 방법
Ⅲ. 결과 및 고찰
Ⅳ. 결론
References

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UCI(KEPA) : I410-ECN-0101-2020-454-001092591