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PUKYONG Repository 대학원 냉동공조공학과

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Alternative Title: A Study on Effects of Indoor Temperature Change on Comfortable Sleep during Mid-sleep in Summer

Abstract: People feel cold because of using low setting temperature of air conditioner during sleeping in summer. And, people have economical stress about air conditioner use. People require suitable method to use air conditioner. Research was analyzed for sleep state and skin temperature by temperature fluctuation of air conditioner during mid-sleep in summer. It is purpose that the study finds suitable thermal comfort condition in summer sweltering night sleep state.
Eight subjects who have similar life cycle and sleep patterns were participated for the sleep experiment. They were healthy, and had regular sleep with consistent bed and wake up time. It was checked whether they had a good sleep before the night of experiment. Experiments were performed in an environmental chamber of 3.7×4.6×2.7m size. EEGs were obtained from C3-A2 and C4-A1 electrode sites. Sleep stages were classified, then TST, SWS latency and SWS/TST were calculated for the evaluation for sleep efficiencies on thermal conditions.
As results, MST and sleep efficiency was found out high comfort area distribution in temperature fluctuation than 28℃ fixed temperature. At temperature fluctuation, body movement was significantly lower than of other thermal conditions. So, This study could confirm an effectiveness about temperature change of air conditioner for agreeableness sleep. And temperature change algorism is able to utilize to thermal environment condition during sleeping in summer.

URI: https://repository.pknu.ac.kr:8443/handle/2021.oak/11659
http://pknu.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000001984338

Table Of Contents: 제1장 서론 = 1
1.1 연구 배경 및 목적 = 1
1.2 기존 연구 = 4
1.3 연구 범위 및 방법 = 6
1.3.1 연구범위 = 6
1.3.2 연구방법 = 6
제2장 수면과 인체생리 관련 기초 이론 = 8
2.1 수면 = 8
2.1.1 수면의 정의 = 8
2.1.2 실내온도와 수면 = = 9
2.1.3 생리 신호 = 10
2.1.4 수면 단계 = 18
2.1.5 수면 평가 = 24
2.2 체온 = 32
2.2.1 체온 = 32
2.2.2 심부 온도의 생리적 변화 = 35
2.2.3 평균 피부 온도 = 38
2.3 인체와 주변 환경과의 열교환 = 40
2.3.1 인체의 열평형 = 40
2.3.2 피부를 통한 현열 교환 = 42
2.3.3 피부를 통한 증발열 손실 = 43
2.3.4 호흡을 통한 열손실 = 45
2.3.5 체열량 = 47
2.4 뒤척임 = 48
제3장 실험방법 = 50
3.1 실험기간 및 장소 = 50
3.1.1 실험 기간 = 50
3.1.2 실험 장소 = 50
3.2 실험 방법 및 조건 = 52
3.2.1 실험 방법 = 52
3.2.2 실험 조건 = 56
3.3 피험자 = 59
3.3.1 MEQ 검사 = 59
3.3.2 피험자 교육내용 = 61
3.3.3 착의량 = 61
제4장 실험 결과 = 63
4.1 실내온도 = 63
4.2 수면효율 = 65
4.3 평균 피부 온도 = 70
4.4 심부온도 및 체열량 = 73
4.5 뒤척임 = 75
4.6 알고리즘 비교 = 77
4.7 회귀분석 = 83
4.7.1 온도변동에 따른 MST 회귀분석 = 83
4.7.2 시간에 따른 MST 회귀분석 = 85
제5장 결론 = 89
참고문헌 = 92
감사의 글 = 95

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