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실내 수증기 발생량 예측을 위한 습기 전달 모델의 검증에 관한 연구
이동권(Lee Dong-Kweon),김의종(Kim Eui-Jong),최원기(Choi Won-Ki),서승직(Suh Seung-Jik) 한국태양에너지학회 2006 한국태양에너지학회 논문집 Vol.26 No.1
Moisture in a building is one of the most important variables influencing building performance, human health, and comfort of indoor environment. However, there are still lacks in the knowledge of understanding the moisture problem well and controlling moisture. Accordingly, in order to provide the fundamental data to control moisture contents in the indoor air, this study was to predict moisture contents transferred through building envelopes and indoor moisture generation rate. Moisture transfer model was made by physical relations in each node, and the indoor moisture generation rate was gained by comparing the model with experimental analyses. From the study, we found out that moisture generation rate was critical and day-periodic, so that we predicted the indoor moisture content by substituting the constant value gained from the average in a day for the moisture generation rate.
장기간 상이한 운동유형에 따른 남성 지도자간 경동맥 내중막 두께 및 혈류속도 분석
이동권(Lee, Dong-Keun),이원재(Lee, Won-Jae),김진환(Kim, Jin-Hwan) 한국체육과학회 2013 한국체육과학회지 Vol.22 No.3
This study was implemented targeting 32 adults residing D metropolitan city by dividing groups of more than 10 years anaerobic exercise (A group athletes), and more than 10 years aerobic exercise group (B group athletes), and athlete group with non-anaerobic exercise, non-aerobic exercise(C group = control group), by which left, right carotid artery thickness/left, right carotid artery Maximal blood velocities/ left, right carotid artery minimal blood velocities were compared. The following result could be obtained from the analysis concerning the carotid artery thickness, & the blood velocities. 1) Left/Right Carotid Artery Thickness comparison Indicated a significance difference between groups and A group showed higher compare to B, C groups. 2) Left/Right Carotid Artery Maximum Blood Flow Velocities comparison NO difference indicated between groups. 3) Left/Right Carotid Artery Minimal Blood Flow Velocities comparison NO difference indicated between groups. The long-term analysis of carotid artery intima-media thickness and blood flow of male leaders of different exercise types shows that the intima-media of anaerobic exercise leaders is thicker than that of aerobic exercise leaders or non-exercise leaders although it still remains in a normal range. As a result, resistance training may be dangerous to those who have performed resistance exercise for a long period of time. On this base, cardiovascular health, new exercise program and proper exercise level for resistance exercise performers and non-exercise leaders should be studied in the near future.