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자료유형
학술저널
저자정보
저널정보
한국태양에너지학회 한국태양에너지학회 논문집 태양에너지 제8권 제2호
발행연도
1988.11
수록면
46 - 56 (11page)

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이 논문의 연구 히스토리 (2)

초록· 키워드

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This investigation concerns thermal stratification of the water due to the temperature difference (ΔT=T_∞-T_i) between the mean temperature of the water in the test tank (1 m wide, 1 m high, 2.1 m long) and the temperature of the inflow water into the tank; flow rate of circulating water and height of the sink diffuser in the test tank.
The additional objectives was to observe a stratification phenomena near an interface by measuring the velosities and the temperature differance and investigate an availabilities of the better effective hot water through establishing thermocline near an interface around the bottom of the tank.
Following results were obtained through the experiments.
1. When the flow rate was constant and the temperature difference (ΔT=T_∞-T_i) between the mean temperature of the flow in the test tank and the temperature of the inflow water increased by 5.6, 9.5, 13.5(℃), obtained the better effective advantage of hot water and the stress near an interface increased gradually.
2. When the ΔT=T_∞-T_i was constant and flow rate increased by 4.0, 4.8, 6.4, 8.0 (LPM), obtained the better effective advantage of hot water and the mean stress near an interface increased gradually.
3. When the height of the sink diffuser was 25㎝ from tank bottom in comparison with 50㎝, obtained the better effective advantage of hot water and the mean stress near an interface increased.

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ABSTRACT

1. 서론

2. 유동에 적용되는 관련방정식

3. 실험장치 및 절차

4. 열 성층과 응력윤곽 및 고찰

5. 결론

REFERENCES

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