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논문 기본 정보

자료유형
학술대회자료
저자정보
이정환 (서울과학기술대학교) 김태영 (서울과학기술대학교)
저널정보
대한설비공학회 대한설비공학회 학술발표대회논문집 대한설비공학회 2023년도 하계학술발표대회 논문집
발행연도
2023.6
수록면
1,070 - 1,073 (4page)

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초록· 키워드

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In this study, the effects of the porosity and position of a perforated plate on the waste heat recovery performance of a thermoelectric generator (TEG) were numerically investigated. For a systematic analysis, a total of 6 porosities ranging from 0.121 to 0.802 and 5 different locations of the perforated plate were chosen. The developed numerical model was validated using experimental results obtained by placing a perforated plate of 0.121 at the five different locations. A 25.92 ㎧ and a 566.6 K were used as the inlet velocity and temperature boundary conditions for the exhaust gas flow, which corresponds to a conventional operating condition of a diesel engine operating at 1000 rpm and 0.7 ㎫, brake mean effective pressure. While tracking the net output power of the TEG, the optimal values of the two major parameters, the porosity and the location, of the perforated plate were found. As a result, maximum net power of a 58.8W was obtained when a perforated plate with a porosity of 0.533 was inserted at position L2, the front position of the second row of thermoelectric modules of the TEG consisting of a 5⨯3 thermoelectric array. With the aid of the best use of the perforated plate, it was found that the output power of TEG increased by 32.5% compared to the case without any flow straightener.

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Abstract
1. 서론
2. 수치해석 모델 및 방법
3. 결과
4. 결론
References

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