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송진희(Song, Jin-Hee),임아람(Lim, Ah-Ram),송승영(Song, Seung-Yeong),임재한(Lim, Jae-Han),유지용(Yu, Ji-Yong),이규남(Lee, Kyu-Nam) 한국건축친환경설비학회 2012 한국건축친환경설비학회 학술발표대회 논문집 Vol.2012 No.10
For condensation risk evaluation of a glazing system, measurement points of inside surface temperature should be determined. In order to suggest an optimized measurement points of inside surface temperature, we analyzed three standards which provide a method of condensation risk evaluation using mock-up test; AAMA 1503.09, KS F 2295, CSA A440-00. Also, through a mock-up test of a PVC frame glazing system, inside surface temperatures of edge-of-glazing, center-of-glazing, and frame were analyzed and compared.
송승영(Song, Seung-Yeong),임아람(Lim, Ah-Ram),송진희(Song, Jin-Hee),임재한(Lim, Jae-Han),이규남(Lee, Kyu-Nam),김영탁(Kim, Yeong-Tak) 대한건축학회 2012 대한건축학회논문집 Vol.28 No.11
Recently, curtain wall system has been applied to much more high rise buildings because of its convenience of construction. However, inside surface condensation on the curtain wall systems still has been a problem. The aim of this study is to suggest design criteria to prevent inside surface condensation on the curtain wall systems of office buildings. A variety of criteria including codes, standards and specifications of Korea and other countries were analyzed and the lowest temperature factor of 0.7 for Seoul was suggested as design criteria. In case of thermally-broken aluminum framed curtain wall system, it was shown that double glazing with soft low-e coating, argon gas, thick-walled plastic spacer and triple glazing with thick-walled plastic spacer could meet the design criteria.
정의석(Jeong, Ui-Seok),이동호(Lee, Dong-Ho),이경운(Lee, Kyoung-Woon),임아람(Lim, A-Ram),정재욱(Jeong, Jae-Wook),박정호(Park, Jung-Ho) 한국전기전자학회 2010 전기전자학회논문지 Vol.14 No.3
수중의 미립자 계수를 위한 Line-CCD를 이용한 수중광학 시스템을 구현하였다. 미립자 계수 측정을 위하여 680nm Laser diode를 광원으로 사용하였다. 광학시스템을 동작확인을 위해 수중 인공탱크 및 해양에서 실험을 하였다. 시스템의 상 하강 운동 시, 마이크로프로세서(FPGA)의 신호 전달(센서의 신호검출)을 통하여 미립자 계수를 알 수 있다. 시스템의 알고리즘은 또한, 깊이에 따른 압력, 온도, 계수 값을 실시간으로 분석한다. 실험을-통해 광학센서 시스템의 높은 정확도를 보여주었다. 따라서, Line-CCD를 통한 실시간 측정 가능한 수중광학 시스템을 제안 하였다. We fabricated optical sensor system that take a measurement particles using a line-CCD in ocean. To measure particles, we used 680nm laser diode which is appropriate. we tested to operate optical system in water tank and ocean. It has performance that detected signal of sensors transfer microprocessor, FPGA as long as move up and down it's motion. The system algorithm also analysis output -pressure, temperature, particle numbers in depth.-For experiment, our particle sensor system has high accuracy counter. therefore, we proposed that a line-CCD is available on optical sensor system in ocean.
설계 단계에서 적용 가능한 창호별 결로방지 성능 평가 방법에 관한 연구
유지용(Yu, Ji-Yong),이규남(Rhee, Kyu-Nam),김영탁(Kim, Young-Tag),임아람(Lim, Ah-Ram),송진희(Song, Jin-Hee),송승영(Song, Seung-Yeong) 한국태양에너지학회 2013 한국태양에너지학회 학술대회논문집 Vol.2013 No.4
The objective of this study is to derive the condensation preventing performance (temperature Difference Ratio) by part of the window, which can be evaluated at design stage by means of computer simulation. There are two evaluation methods that is available at design stage: One is the method that estimates the temperature difference ratio(hereinafter TDR) with regard to the overall window (hereinafter method 1), the other is the method that calculates the TDR at each part of the window by using computer simulation (hereinafter method 2). As for method 1, the estimation is relatively simple, however, it is difficult to evaluate the performance at thermal bridge, which has high risk of condensation. As for method 2, the calculation is somewhat complicated, however, it is possible to evaluate the performance at thermal bridge. The evaluation result of typical windows shows that the performance estimated by method 1 is 23∼48% higher than method 2. As the result can underestimate the possibility of condensation at the heat bridge, it is needed to evaluate the performance at every point of the window, as suggested in method 2. However, method 2 has a restriction that the simulation should be conducted for every design. Thus it is required to establish a database that provides the TDR by part of the common windows, much like U-value.
목업 테스트를 통한 창호 종류별 창호 결로방지 성능 평가방법
유지용(Yu, Ji-Yong),이규남(Rhee, Kyu-Nam),김영탁(Kim, Young-Tag),임아람(Lim, Ah-Ram),송진희(Song, Jin-Hee),송승영(Song, Seung-Yeong) 한국태양에너지학회 2012 한국태양에너지학회 학술대회논문집 Vol.2012 No.11
In this study, we validated and analyzed the performance evaluation methods of the condensation prevention on the window through mock-up tests. NFRC 500-2010 compares the condensation prevention performance of various windows by using condensation resistance value at specific indoor temperature(21℃) and humidity(30%/50%/70%). AAMA 1503-09 is advantageous to the evaluation of condensation prevention performance for the overall window, while KS F 2295 is advantageous to the evaluation considering the local parts of the window. The results show that high-performance glazing type is Low-e (Argon filled), followed by Low-e (Air filled) and conventional double glazing. Based on the results of this study, we will establish the evaluation method which is appropriate to the domestic circumstances and users" performance requirements.