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김양오(Yangoh Kim),김종규(Jongkyu Kim) 한국해양환경·에너지학회 2021 한국해양환경·에너지학회 학술대회논문집 Vol.2021 No.10
본 연구에서는 동해안 자료는 국립해양조사원의 관측시기가 18.6년인 이상은 검조소를 5곳을 선정하여 부산, 울산, 속초, 묵호, 울릉도 검조소의 1시간 간격 조위자료에서 천문조를 포함하는 자료를 취득하였다. 서해안과 남해안에 비하여 동해안은 조수간만의 차가 작게 나타나는 곳으로 동해안의 조석특성을 파악하기 위하여 19년 장기 조화분해를 실시하여 조화상수를 취득하였다. 태음반일주조(M2분조)가 가장 높게 나타난 부산 37.3cm, 울산 15.5cm로 가장 높게 나타나며, 태양연주조(SA분조)가 가장 높게 나타난 묵호 10.6cm, 속초 11.9cm, 울릉도 12.5cm로 나타났다. 부산에서 울산까지는 천문조(M2, S2, K1, O1, N2)의 성분이 높게 나타났지만 묵호, 속초, 울릉도에서 주기적인 기상조(SA, SSA)의 성분이 높게 나타났다. In this study, tide data including astronomical tides were obtained from tide data at 1-hour intervals from Busan, Ulsan, Sokcho, Mukho, and Ulleungdo by selecting 5 tide stations for the East Coast data with an observation period of 18.6 years or more by KHOA. Compared to the west coast and the south coast, the east coast shows a small difference in tidal flow. In order to understand the tidal characteristics of the east coast, a long-term harmonic decomposition was performed for 19 years to obtain a harmonic constant. The lunar semidiurnal constituent(M2 tidal constituents) was highest in Busan at 37.3 cm and Ulsan at 15.5 cm, The solar annual tide(SA tidal constituents) were Mukho 10.6cm, Sokcho 11.9cm, and Ulleungdo 12.5cm. From Busan to Ulsan, the astronomical tides (M2, S2, K1, O1, N2) were high, but in Mukho, Sokcho, and Ulleungdo, the meteorological tide(SA, SSA) were high.
김양오(Yangoh Kim),김종규(Jongkyu Kim),김현주(Hyeon-Ju Kim) 한국해양환경·에너지학회 2021 한국해양환경·에너지학회 학술대회논문집 Vol.2021 No.10
본 연구에서는 하와이 대학교 해수면 센터에서 키리바시 Tarawa, Christmas, Kanton의 1시간 간격 조위자료에서 천문조를 포함하는 자료를 취득하였다. 1년 조화분해 시 67개의 조화상수을 취득할 수 있다. 18.6년 분석 시 R2성분이 추가된 68개의 조화상수을 취득한다. 천문조를 포함한 조화상수를 예측프로그램을 사용하여 예측 값을 추정한다. 실측 값과 예측 값의 상관관계는 Tarawa에서 0.9716, Christmas에서 0.8187, Kanton에서 0.9331의 상관성이 나타나며, 배율은 Tarawa에서 9544, Christmas에서 0.9845, Kanton에서 0.9952의 상관성이 나타났다. In this study, tide data including astronomical tides were obtained from tide data at 1-hour intervals in Tarawa, Christmas, and Kanton, Kiribati at the University of Hawaii Sea Level Center. In one-year harmonic decomposition, 67 harmonic constants can be obtained. In the 18.6 year analysis, 68 harmonic constants with the R2 component added are acquired. Estimate the predicted value using the prediction program for the harmonic constant including the astronomical tide. The correlation between the measured value and the predicted value was 0.9716 in Tarawa, 0.8187 in Christmas, and 0.9331 in Kanton, and the magnification was 9544 in Tarawa, 0.9845 in Christmas, and 0.9952 in Kanton.
재생종이를 이용한 저방사 단열보드 개발에 관한 기초 연구
여한승(Hanseung Yeo),이길용(Gilyong Lee),정재군(Jaegun Jeong),김양오(Yangoh Kim),송정곤(Jeonggon Song) 대한설비공학회 2020 대한설비공학회 학술발표대회논문집 Vol.2020 No.6
In this study, the low emissivity insulation board using recycled paper and aluminum film was made to compensate for the disadvantages such as surface contamination and possible damage such as tearing of aluminum film, which is a component of PE foam-based low emissivity insulation material, and deformation due to the elasticity of PE foam, and the water absorption performance and insulation performance were evaluated, which are the main performance of the low emissivity insulation board. The amount of water absorption of 10 mm, the basic thickness of the low emissivity insulation board, is 0.6 g/(100㎠), and the resistance to the water of recycled paper used as an inner partition has been verified, and it is judged that external insulation construction is possible. Insulation performance is secured with U-value of 0.22 W/(㎡·K) with a low emissivity insulation board thickness of 110 ㎜ through the actual construction wall configuration, which can be used in all southern areas based on the outer wall of the living room. At a thickness of 80 ㎜, the insulation performance was 0.25 W/(㎡·K), which can be used in all areas of Jeju Island based on the outer wall of the living room. It is necessary to test the performance of fire safety and strength, in order to be used as an insulation board for construction.