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논문 기본 정보

자료유형
학술저널
저자정보
윤상국 (한국해양대학교)
저널정보
대한설비공학회 설비공학논문집 설비공학논문집 제29권 제7호
발행연도
2017.7
수록면
360 - 365 (6page)

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표지
📌
연구주제
📖
연구배경
🔬
연구방법
🏆
연구결과
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초록· 키워드

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Recently, development efforts of triple-effect absorption chiller have been increased in order to improve the efficiency of double-effect absorption chiller. However, triple-effect absorption chiller has some disadvantages, including high corrosion characteristic of LiBr solution at high temperature of 200℃. Moreover, it is necessary to develop new components for operation under high pressure of 2 bars even though COP is increased to 1.6 or 1.7. The objective of this study was to introduce a new system by combining double effect absorption chiller with single effect absorption chiller with multi-generators using bypass flow of LiBr dilute solution to 3<SUP>rd</SUP> generator to overcome the disadvantages of triple-effect chiller and improve energy efficiency. Results indicate that the new absorption cycle had a much higher efficiency than double-effect chiller system, showing significant improvement when bypass solution flow rate of 25% was applied to the 3rd generator using the main dilute solution of the absorber. The COP of the new chiller system was found to be 1.438, which was 21.7% higher than that (1.18) of the present double-effect system. The COP was decreased when solution by-pass rate to the 3<SUP>rd</SUP> generator was increased. In addition, lower cooling water temperature caused higher COP. Therefore, the multi-generator system with by-pass solution might be an excellent chiller alternative to triple-effect absorption chiller with higher efficiency.

목차

Abstract
1. 연구배경 및 목적
2. 다단 재생기를 적용한 흡수식 냉동기 해석
3. 다단 재생 흡수식 냉동기 해석결과
4. 결론
References

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UCI(KEPA) : I410-ECN-0101-2018-553-001024323