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한국산 좀잠자리속(잠자리과:잠자리목)의 형태학적 계통분류 : Libellalidae : Odonata
윤종호,박희천,이창언 韓國自然史博物學會 1996 生物과 自然 Vol.26 No.1-2
For the taxonomy on 13 species of genus Sympetrum from Korea, the numerical taxonomy by the phenetic analysis using 26 characters from external morphology was accomplished. We confirmed a particular difference and similarity between species by morphological analysis of anal appendages, genital lobes and accessory genitalia. As a result of phenetic analysis using all morphological characters, the genus Sympetrum was divided of five groups; S. eroticum and S. kunckeli group, S infuscatum and S. risi group, S. darwinianum, S. pedemontanum and S. depressiusculum group, S. striolatum group and S. croceolum group. Finally the genus Sympetrum was divided into two taxon groups; a big group consisting of four groups(8 species) and a S. croceolum group revealed as the most primitive species.
스팬드럴용 투광형 결정계 BIPV창호의 후면단열 조건에 따른 연간 온도 및 발전성능 분석 연구
윤종호,오명환,강기환,이재범 한국태양에너지학회 2012 한국태양에너지학회 논문집 Vol.32 No.4
Recently, finishing materials at spandrel area, a part of curtain-wall system, are gradually forced to improve thermal insulation performance in order to enhance the building energy efficiency. Also, Building Integrated Photovoltaics(BIPV) systems have been installed in the exterior side of the spandrel area, which is generally composed of windows. Those BIPVs aim to achieve high building energy efficiency and supply the electricity to building. However, if transparent BIPV module is combined with high insulated spandrel, it would reduce the PV efficiency for two major reasons. First, temperature in the air space, located between window layer and finishing layer of the spandrel area, can significantly increase by solar heat gain, because the space has a few air density relative to other spaces in building. Secondly, PV has a characteristics of decreased Voltage(Voc and Vmp) with the increased temperature on the PV cell. For these reasons, this research analyzed a direct interrelation between PV Cell temperature and electricity generation performance under different insulation conditions in the spandrel area. The different insulation conditions under consideration are 1) high insulated spandrel(HIS) 2) low insulated spandrel(LIS) 3) PV stand alone on the ground(SAG). As a result, in case of 1) HIS, PV temperature was increased and thus electricity generation efficiency was decreased more than other cases. To be specific, eachcases' maximum temperature indicated that 1) HIS is 88.8℃, 2) LIS is 74.2℃, and 3) SAG is 66.3℃. Also, each cases yield electricity generation like that 1) HIS is 913.3kWh/kWp, 2) LIS is 942.8kWh/kWp, and 3) SAG is 981.3kWh/kWp. These result showed that it is needed for us to seek to the way how the PV Cell temperature would be decreased.